diff --git a/debian/changelog b/debian/changelog
index 173fad91..6f6ab4db 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-hedera-web (1.408.24) stable; urgency=low
+hedera-web (22.44.0) stable; urgency=low
 
   * Initial Release.
 
diff --git a/debian/source.lintian-overrides b/debian/source.lintian-overrides
new file mode 100644
index 00000000..fac393f9
--- /dev/null
+++ b/debian/source.lintian-overrides
@@ -0,0 +1 @@
+hedera-web: package-contains-npm-ignore-file
\ No newline at end of file
diff --git a/forms/account/address-list/address-list.js b/forms/account/address-list/address-list.js
index 527cc6da..4078e792 100644
--- a/forms/account/address-list/address-list.js
+++ b/forms/account/address-list/address-list.js
@@ -1,41 +1,40 @@
 
-Hedera.AddressList = new Class
-({
+Hedera.AddressList = new Class({
 	Extends: Hedera.Form
 
-	,activate: function ()
-	{
-		this.$('user-model').setInfo ('c', 'myClient', 'hedera');
-		this.$('addresses').setInfo ('a', 'myAddress', 'hedera');
+	,activate: function() {
+		this.$.userModel.setInfo('c', 'myClient', 'hedera');
+		this.$.addresses.setInfo('a', 'myAddress', 'hedera');
 	}
 	
-	,onAddAddressClick: function ()
-	{
-		this.hash.set ({
+	,onAddAddressClick: function() {
+		this.hash.setAll({
 			form: 'account/address',
 			address: 0
 		});
 	}
 	
-	,onReturnClick: function ()
-	{
+	,onReturnClick: function() {
 		window.history.back();
 	}
+
+	,onSetDefaultClick: function(event, addressId) {
+		if (event.defaultPrevented) return;
+		this.$.defaultAddress.value = addressId;
+		Htk.Toast.showMessage(_('DefaultAddressModified'));
+	}
 	
-	,onRemoveAddressClick: function (button, form)
-	{
-		if (confirm (_('AreYouSureDeleteAddress')))
-		{
-			form.set ('isActive', false);
-			form.refresh ();
+	,onRemoveAddressClick: function(form) {
+		if (confirm(_('AreYouSureDeleteAddress'))) {
+			form.set('isActive', false);
+			form.refresh();
 		}
 	}
 	
-	,onEditAddressClick: function (button, form)
-	{
-		this.hash.set ({
+	,onEditAddressClick: function(id) {
+		this.hash.setAll({
 			form: 'account/address',
-			address: form.get ('id')
+			address: id
 		});
 	}
 });
diff --git a/forms/account/address-list/locale/ca.yml b/forms/account/address-list/locale/ca.yml
index cf541723..26601428 100644
--- a/forms/account/address-list/locale/ca.yml
+++ b/forms/account/address-list/locale/ca.yml
@@ -1,7 +1,8 @@
-Addresses: Direccions
+Addresses: Adreces
 Return: Tornar
 AddAddress: Afegir adreça
 SetAsDefault: Establir com per defecte
 RemoveAddress: Esborrar direcció
 EditAddress: Modificar direcció
 AreYouSureDeleteAddress: Estàs segur de que vols eliminar la direcció?
+DefaultAddressModified: Adreça per defecte modificada
diff --git a/forms/account/address-list/locale/en.yml b/forms/account/address-list/locale/en.yml
index df5b564f..75bdb2ac 100644
--- a/forms/account/address-list/locale/en.yml
+++ b/forms/account/address-list/locale/en.yml
@@ -5,3 +5,4 @@ SetAsDefault: Set as default
 RemoveAddress: Remove address
 EditAddress: Edit address
 AreYouSureDeleteAddress: Are you sure you want to delete the address?
+DefaultAddressModified: Default address modified
diff --git a/forms/account/address-list/locale/es.yml b/forms/account/address-list/locale/es.yml
index 66c4576d..50a29c77 100644
--- a/forms/account/address-list/locale/es.yml
+++ b/forms/account/address-list/locale/es.yml
@@ -5,3 +5,4 @@ SetAsDefault: Establecer como predeterminada
 RemoveAddress: Borrar dirección
 EditAddress: Modificar dirección
 AreYouSureDeleteAddress: ¿Estás seguro de que quieres borrar la dirección?
+DefaultAddressModified: Dirección por defecto modificada
diff --git a/forms/account/address-list/locale/fr.yml b/forms/account/address-list/locale/fr.yml
index 9126d4fb..8530ec22 100644
--- a/forms/account/address-list/locale/fr.yml
+++ b/forms/account/address-list/locale/fr.yml
@@ -5,3 +5,4 @@ SetAsDefault: Définir par défaut
 RemoveAddress: Supprimer l'adresse
 EditAddress: Changement d'adresse
 AreYouSureDeleteAddress: Souhaitez-vous vraiment supprier l'adresse?
+DefaultAddressModified: Adresse par défaut modifiée
diff --git a/forms/account/address-list/locale/pt.yml b/forms/account/address-list/locale/pt.yml
index 4f5fd79a..7657ab26 100644
--- a/forms/account/address-list/locale/pt.yml
+++ b/forms/account/address-list/locale/pt.yml
@@ -5,3 +5,4 @@ SetAsDefault: Selecionar como pre-determinado
 RemoveAddress: Eliminar Morada
 EditAddress: Modificar Morada
 AreYouSureDeleteAddress: Tens certeza que queres eliminar esta morada?
+DefaultAddressModified: Endereço padrão modificado
diff --git a/forms/account/address-list/style.css b/forms/account/address-list/style.css
index 8bd9a259..92b791ba 100644
--- a/forms/account/address-list/style.css
+++ b/forms/account/address-list/style.css
@@ -1,48 +1,4 @@
 
-.address-list
-{
-	padding: 1em;
-}
-.address-list .box
-{
-	max-width: 30em;
-}
-.address-list .form
-{
-	margin: 0 auto;
-	max-width: 25em;
-	padding: 2em;
-}
-.address
-{
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.address p
-{
-	margin: 0.2em 0;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-	overflow: hidden;
-}
-.address p.important
-{
-	font-size: 1.2em;
-}
-.address .actions
-{
-	float: right;
-}
-.address .actions > .htk-button
-{
-	margin: 0;
-}
-.address .actions > *
-{
-	display: inline-block;
-	vertical-align: middle;
-}
-.address .actions > input
-{
-	margin: .6em;
+.address-list .htk-list .side {
+	padding-right: 16px;
 }
diff --git a/forms/account/address-list/ui.xml b/forms/account/address-list/ui.xml
index f43d945a..ed1b9519 100644
--- a/forms/account/address-list/ui.xml
+++ b/forms/account/address-list/ui.xml
@@ -2,20 +2,16 @@
 <vn-group>
 	<db-form id="user-form">
 		<db-model property="model" id="user-model" updatable="true">
-			<custom>
-				SELECT id, defaultAddressFk
-					FROM myClient c
-			</custom>
+			SELECT id, defaultAddressFk
+				FROM myClient c
 		</db-model>
 	</db-form>
 	<db-model id="addresses" updatable="true">
-		<custom>
-			SELECT a.id, a.nickname, p.name province, a.postalCode,
-			a.city, a.street, a.isActive
-				FROM myAddress a
-				LEFT JOIN vn.province p ON p.id = a.provinceFk
-					WHERE a.isActive
-		</custom>
+		SELECT a.id, a.nickname, p.name province, a.postalCode,
+		a.city, a.street, a.isActive
+			FROM myAddress a
+			LEFT JOIN vn.province p ON p.id = a.provinceFk
+				WHERE a.isActive
 	</db-model>
 </vn-group>
 <div id="title">
@@ -25,46 +21,47 @@
 	<htk-bar-button
 		icon="add"
 		tip="_AddAddress"
-		on-click="onAddAddressClick"/>
+		on-click="this.onAddAddressClick()"/>
 </div>
 <div id="form" class="address-list">
-	<div class="box">
+	<div class="box vn-w-sm">
 		<htk-radio-group
 			id="default-address"
 			column="defaultAddressFk"
 			form="user-form"/>
-		<htk-repeater model="addresses" form-id="iter">
+		<htk-repeater model="addresses" form-id="address" class="htk-list">
 			<custom>
-			<div class="address">
-				<div class="actions">
+			<div class="item clickable" on-click="this.onSetDefaultClick($event, address.id)">
+				<div class="side">
 					<htk-radio
-						form="iter"
-						column="id"
 						radio-group="default-address"
-						tip="_SetAsDefault"/>
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_RemoveAddress"
-						icon="delete"
-						on-click="onRemoveAddressClick"/>
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_EditAddress"
-						icon="edit"
-						on-click="onEditAddressClick"/>
+						val="{{address.id}}"
+						tip="_SetAsDefault"
+						name="test"/>
+				</div>
+				<div class="content">
+					<p class="important">
+						{{address.nickname}}
+					</p>
+					<p>
+						{{address.street}}
+					</p>
+					<p>
+						{{address.postalCode}}, {{address.city}}
+					</p>
+				</div>
+				<div
+					class="actions"
+					on-click="$event.preventDefault()">
+					<htk-button
+						icon="delete"
+						tip="_RemoveAddress"
+						on-click="this.onRemoveAddressClick($iter)"/>
+					<htk-button
+						icon="edit"
+						tip="_EditAddress"
+						on-click="this.onEditAddressClick(address.id)"/>
 				</div>
-				<p class="important">
-					<htk-text form="iter" column="nickname"/>
-				</p>
-				<p>
-					<htk-text form="iter" column="street"/>
-				</p>
-				<p>
-					<htk-text form="iter" column="postalCode"/>, 
-					<htk-text form="iter" column="city"/>
-				</p>
 			</div>
 			</custom>
 		</htk-repeater>
diff --git a/forms/account/address/address.js b/forms/account/address/address.js
index db430998..649deaee 100644
--- a/forms/account/address/address.js
+++ b/forms/account/address/address.js
@@ -3,26 +3,18 @@ Hedera.Address = new Class({
 	Extends: Hedera.Form,
 
 	activate: function() {
-		this.$('model').setInfo('a', 'myAddress', 'hedera', ['id'], 'id');
-		this.$('model').setDefault('clientFk', 'a',
+		this.$.model.setInfo('a', 'myAddress', 'hedera', ['id'], 'id');
+		this.$.model.setDefault('clientFk', 'a',
 			new Sql.Function({schema: 'account', name: 'myUser_getId'}));
 	},
 	
-	onStatusChange: function(form) {
-		if (form.ready && this.$('address').value == 0)
-			form.insertRow();
+	onStatusChange: function() {
+		if (this.$.iter.ready && this.hash.$.address == 0)
+			this.$.iter.insertRow();
 	},
 	
 	onOperationsDone: function() {
 		Htk.Toast.showMessage(_('AddressChangedSuccessfully'));
-		this.onReturnClick();
-	},
-
-	onAcceptClick: function() {
-		this.$('iter').performOperations();
-	},
-
-	onReturnClick: function() {
-		window.history.back();
+		window.history.back()
 	}
 });
diff --git a/forms/account/address/style.css b/forms/account/address/style.css
index 1fa559d2..e69de29b 100644
--- a/forms/account/address/style.css
+++ b/forms/account/address/style.css
@@ -1,16 +0,0 @@
-
-.address
-{
-	padding: 1em;
-}
-.address .box
-{
-	max-width: 30em;
-	padding: 2em;
-}
-.address .form
-{
-	margin: 0 auto;
-	max-width: 25em;
-}
-
diff --git a/forms/account/address/ui.xml b/forms/account/address/ui.xml
index a309a580..64edf97f 100644
--- a/forms/account/address/ui.xml
+++ b/forms/account/address/ui.xml
@@ -1,89 +1,86 @@
 <vn>
 <vn-group>
-	<vn-param id="address"/>
-	<vn-hash-param key="address" param="address"/>
-	<db-form id="iter" on-status-changed="onStatusChange">
+	<vn-lot-query id="params">
+		<vn-spec name="address" type="Number"/>
+	</vn-lot-query>
+	<db-form id="iter" on-status-changed="this.onStatusChange()">
 		<db-model
 		 	id="model"
 			property="model"
 			updatable="true"
 			mode="ON_DEMAND"
-			on-operations-done="onOperationsDone">
+			lot="params"
+			on-operations-done="this.onOperationsDone()">
 			SELECT a.id, a.street, a.nickname, a.city,
 					a.postalCode, a.provinceFk, p.countryFk
 				FROM myAddress a
 					LEFT JOIN vn.province p ON p.id = a.provinceFk
 				WHERE a.id = #address
-			<sql-batch property="batch">
-				<custom>
-					<item name="address" param="address"/>
-				</custom>
-			</sql-batch>
 		</db-model>
 	</db-form>
 </vn-group>
 <div id="title">
-	<h1><t>AddEditAddress</t></h1>
+	<h1><t>Configuration</t></h1>
 </div>
 <div id="actions">
-	<htk-bar-button
-		icon="ok"
-		tip="_Accept"
-		on-click="onAcceptClick"/>
 	<htk-bar-button
 		icon="close"
 		tip="_Return"
-		on-click="onReturnClick"/>
+		on-click="window.history.back()"/>
+	<htk-bar-button
+		icon="check"
+		tip="_Accept"
+		on-click="iter.performOperations()"/>
 </div>
 <div id="form" class="address">
-	<div class="box">
-		<div class="form">
-			<div class="form-group">
-				<label><t>Name</t></label>
-				<htk-entry column="nickname" form="iter"/>
-			</div>
-			<div class="form-group">
-				<label><t>Address</t></label>
-				<htk-entry column="street" form="iter"/>
-			</div>
-			<div class="form-group">
-				<label><t>City</t></label>
-				<htk-entry column="city" form="iter"/>
-			</div>
-			<div class="form-group">
-				<label><t>ZipCode</t></label>
-				<htk-entry column="postalCode" form="iter"/>
-			</div>
-			<div class="form-group">
-				<label><t>Country</t></label>
-				<htk-combo>
-					<db-param
-						id="country"
-						property="param"
-						form="iter"
-						column="countryFk"
-						one-way="true"/>
-					<db-model property="model">
-						SELECT id, country FROM vn.country
-							ORDER BY country
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Province</t></label>
-				<htk-combo column="provinceFk" form="iter">
-					<db-model property="model">
-						SELECT id, name FROM vn.province
-							WHERE countryFk = #country
-							ORDER BY name
-						<sql-batch property="batch">
-							<custom>
-								<item name="country" param="country"/>
-							</custom>
-						</sql-batch>
-					</db-model>
-				</htk-combo>
-			</div>
+	<div class="form box vn-w-sm vn-pa-lg">
+		<h5 class="vn-mb-md">
+			<t>AddEditAddress</t>
+		</h5>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_Name"
+				form="iter" column="nickname"/>
+		</div>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_Address"
+				form="iter" column="street"/>
+		</div>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_City"
+				form="iter" column="city"/>
+		</div>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_ZipCode"
+				form="iter" column="postalCode"/>
+		</div>
+		<div class="form-group">
+			<htk-combo
+				placeholder="_Country"
+				form="iter" column="countryFk"
+				id="country"
+				one-way="true"
+				one-time="true">
+				<db-model property="model">
+					SELECT id, country FROM vn.country
+						ORDER BY country
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<htk-combo
+				placeholder="_Province"
+				column="provinceFk"
+				form="iter">
+				<db-model property="model" lot="country">
+					SELECT id, name FROM vn.province
+						WHERE countryFk = #id
+						ORDER BY name
+				</db-model>
+			</htk-combo>
 		</div>
 	</div>
 </div>
diff --git a/forms/account/conf/conf.js b/forms/account/conf/conf.js
index 5a7c37d1..437adb61 100644
--- a/forms/account/conf/conf.js
+++ b/forms/account/conf/conf.js
@@ -3,45 +3,45 @@ Hedera.Conf = new Class({
 	Extends: Hedera.Form
 
 	,activate: function() {
-		this.$('user-model').setInfo('c', 'myClient', 'hedera');
-		this.$('user-model').setInfo('u', 'myUser', 'account');
+		this.$.userModel.setInfo('c', 'myClient', 'hedera');
+		this.$.userModel.setInfo('u', 'myUser', 'account');
 
-		if (this.hash.get('verificationToken'))
+		if (this.hash.$.verificationToken)
 			this.onPassChangeClick();
 	}
-	
-	,onPassChangeClick: function() {
-		this.$('old-password').value = '';
-		this.$('new-password').value = '';
-		this.$('repeat-password').value = '';
 
-		var verificationToken = this.hash.get('verificationToken');
-		this.$('old-password').style.display = verificationToken ? 'none' : 'block';
-		this.$('change-password').show();
+	,onPassChangeClick: function() {
+		this.$.oldPassword.value = '';
+		this.$.newPassword.value = '';
+		this.$.repeatPassword.value = '';
+
+		var verificationToken = this.hash.$.verificationToken;
+		this.$.oldPassword.style.display = verificationToken ? 'none' : 'block';
+		this.$.changePassword.show();
 
 		if (verificationToken)
-			this.$('new-password').focus();
+			this.$.newPassword.focus();
 		else
-			this.$('old-password').focus();
+			this.$.oldPassword.focus();
 	}
 
 	,onPassModifyClick: function() {
 		try {
-			var oldPassword = this.$('old-password').value;
-			var newPassword = this.$('new-password').value;
-			var repeatedPassword = this.$('repeat-password').value;
+			var oldPassword = this.$.oldPassword.value;
+			var newPassword = this.$.newPassword.value;
+			var repeatedPassword = this.$.repeatPassword.value;
 
 			if (newPassword == '' && repeatedPassword == '')
 				throw new Error(_('Passwords empty'));
 			if (newPassword !== repeatedPassword)
 				throw new Error(_('Passwords doesn\'t match'));
 		
-			var verificationToken = this.hash.get('verificationToken');
+			var verificationToken = this.hash.$.verificationToken;
 			var params = {newPassword: newPassword};
 
 			if (verificationToken) {
 				params.verificationToken = verificationToken;
-				this.conn.send('core/restore-password', params,
+				this.conn.send('user/restore-password', params,
 					this._onPassChange.bind(this));
 			} else {
 				let userId = this.gui.user.id;
@@ -58,26 +58,22 @@ Hedera.Conf = new Class({
 
 	,_onPassChange: function(json, error) {
 		if (!error) {
-			this.$('change-password').hide();
+			this.$.changePassword.hide();
 			this.hash.unset('verificationToken');
 			Htk.Toast.showMessage(_('Password changed!'));
-			this.$('user-form').refresh();
+			this.$.userForm.refresh();
 		} else {
 			Htk.Toast.showError(error.message);
 
-			if (this.hash.get('verificationToken'))
-				this.$('new-password').select();
+			if (this.hash.$.verificationToken)
+				this.$.newPassword.select();
 			else
-				this.$('old-password').select();
+				this.$.oldPassword.select();
 		}
 	}
 	
 	,onPassInfoClick: function() {
-		this.$('password-info').show();
-	}
-	
-	,onAddressesClick: function() {
-		this.hash.set({form: 'account/address-list'});
+		this.$.passwordInfo.show();
 	}
 });
 
diff --git a/forms/account/conf/locale/ca.yml b/forms/account/conf/locale/ca.yml
index 82241540..7fb9a5fa 100644
--- a/forms/account/conf/locale/ca.yml
+++ b/forms/account/conf/locale/ca.yml
@@ -1,4 +1,5 @@
 Configuration: Configuració
+Personal information: Dades personals
 Username: Nom d'usuari
 Password: Contrasenya
 Email: Correu electrònic
@@ -9,7 +10,7 @@ Receive invoices by email: Rebre factures per correu electrònic
 Old password: Contrasenya antiga
 New password: Nova contrasenya
 Repeat password: Repetir contrasenya
-Info: Info
+Requirements: Requisits
 Modify: Modificar
 Password requirements: Requisits de contrasenya
 characters long: caràcters de longitud
diff --git a/forms/account/conf/locale/en.yml b/forms/account/conf/locale/en.yml
index 20de204a..c88631be 100644
--- a/forms/account/conf/locale/en.yml
+++ b/forms/account/conf/locale/en.yml
@@ -1,4 +1,5 @@
 Configuration: Configuration
+Personal information: Personal information
 Username: Username
 Password: Password
 Email: Email
@@ -9,7 +10,7 @@ Receive invoices by email: Receive invoices by email
 Old password: Old password
 New password: New password
 Repeat password: Repeat password
-Info: Info
+Requirements: Requirements
 Modify: Modify
 Password requirements: Password requirements
 characters long: characters long
diff --git a/forms/account/conf/locale/es.yml b/forms/account/conf/locale/es.yml
index 66992c54..3012d755 100644
--- a/forms/account/conf/locale/es.yml
+++ b/forms/account/conf/locale/es.yml
@@ -1,4 +1,5 @@
 Configuration: Configuración
+Personal information: Datos personales
 Username: Nombre de usuario
 Password: Contraseña
 Email: Correo electrónico
@@ -9,7 +10,7 @@ Receive invoices by email: Recibir facturas por correo electrónico
 Old password: Contaseña antigua
 New password: Nueva contraseña
 Repeat password: Repetir contraseña
-Info: Info
+Requirements: Requisitos
 Modify: Modificar
 Password requirements: Requisitos de constraseña
 characters long: carácteres de longitud
diff --git a/forms/account/conf/locale/fr.yml b/forms/account/conf/locale/fr.yml
index ba47177f..6ae14ca8 100644
--- a/forms/account/conf/locale/fr.yml
+++ b/forms/account/conf/locale/fr.yml
@@ -1,4 +1,5 @@
 Configuration: Configuration
+Personal information: Informations personnelles
 Username: Utilisateur
 Password: Mot de passe
 Email: Courriel
@@ -9,7 +10,7 @@ Receive invoices by email: Recevoir des factures par e-mail
 Old password: Ancien mot de passe
 New password: Nouveau mot de passe
 Repeat password: Répéter le mot de passe
-Info: Info
+Requirements: Exigences
 Modify: Modifier
 Password requirements: Mot de passe exigences
 characters long: Longs caractères
diff --git a/forms/account/conf/locale/pt.yml b/forms/account/conf/locale/pt.yml
index a7430e50..51506ae1 100644
--- a/forms/account/conf/locale/pt.yml
+++ b/forms/account/conf/locale/pt.yml
@@ -1,4 +1,5 @@
 Configuration: Configuração
+Personal information: Dados pessoais
 Username: Nome de usuario
 Password: Palavra-Passe
 Email: E-Mail
@@ -9,7 +10,7 @@ Receive invoices by email: Receber facturas por e-mail
 Old password: Palavra-Passe antiga
 New password: Nova Palavra-Passe
 Repeat password: Repetir Palavra-Passe
-Info: Info
+Requirements: Requisitos
 Modify: Modificar
 Password requirements: Requisitos de Palavra-Passe
 characters long: caracteres
diff --git a/forms/account/conf/style.css b/forms/account/conf/style.css
index 5cb03475..13dbdcf8 100644
--- a/forms/account/conf/style.css
+++ b/forms/account/conf/style.css
@@ -1,33 +1,4 @@
 
-.conf
-{
-	padding: 1em;
-}
-.conf .box
-{
-	max-width: 30em;
-	padding: 2em;
-}
-.conf .form
-{
-	margin: 0 auto;
-	max-width: 25em;
-}
-.conf .form-group input[type=password]
-{
-	margin-bottom: 0.5em;
-}
-
-.pass-change
-{
-	max-width: 15em;
-}
-
-.pass-info
-{
-	width: 15em;
-}
-.pass-info ul
-{
+.pass-info ul {
 	list-style-type: none;
 }
diff --git a/forms/account/conf/ui.xml b/forms/account/conf/ui.xml
index 28c315fb..cc60d89a 100644
--- a/forms/account/conf/ui.xml
+++ b/forms/account/conf/ui.xml
@@ -1,22 +1,18 @@
 <vn>
 <vn-group>
-	<db-form id="password-form">
+	<db-form v-model="passwordForm">
 		<db-model property="model">
-			<custom>
-				SELECT length, nAlpha, nUpper, nDigits, nPunct
-					FROM account.userPassword
-			</custom>
+			SELECT length, nAlpha, nUpper, nDigits, nPunct
+				FROM account.userPassword
 		</db-model>
 	</db-form>
 	<db-form id="user-form">
 		<db-model property="model" id="user-model" updatable="true">
-			<custom>
-				SELECT u.id, u.name, u.email, u.nickname,
-						u.lang, c.isToBeMailed, c.id clientFk
-					FROM account.myUser u
-						LEFT JOIN myClient c
-							ON u.id = c.id
-			</custom>
+			SELECT u.id, u.name, u.email, u.nickname,
+					u.lang, c.isToBeMailed, c.id clientFk
+				FROM account.myUser u
+					LEFT JOIN myClient c
+						ON u.id = c.id
 		</db-model>
 	</db-form>
 </vn-group>
@@ -27,49 +23,65 @@
 	<htk-bar-button
 		icon="place"
 		tip="_Addresses"
-		on-click="onAddressesClick"/>
+		on-click="hash.setAll({form: 'account/address-list'})"/>
 	<htk-bar-button
-		icon="preferences"
+		icon="lock_reset"
 		tip="_Change password"
-		on-click="onPassChangeClick"/>
+		on-click="this.onPassChangeClick()"/>
 </div>
 <div id="form" class="conf">
-	<div class="box">
-		<div class="form">
-			<div class="form-group">
-				<label for="user-name"><t>Username</t></label>
-				<htk-text form="user-form" column="name"/>
-			</div>
-			<div class="form-group">
-				<label for="email"><t>Email</t></label>
-				<htk-entry form="user-form" column="email"></htk-entry>
-			</div>
-			<div class="form-group">
-				<label for="nickname"><t>Display name</t></label>
-				<htk-entry form="user-form" column="nickname"/>
-			</div>
-			<div class="form-group">
-				<label for="lang"><t>Language</t></label>
-				<htk-combo form="user-form" column="lang">
-					<db-model property="model">
-						<custom>
-							SELECT code, name FROM language WHERE isActive
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label for="mail"><t>Receive invoices by email</t></label>
+	<div class="form box vn-w-sm vn-pa-lg">
+		<h5 class="vn-mb-md">
+			<t>Personal information</t>
+		</h5>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_Username"
+				disabled="true"
+				form="user-form"
+				column="name"/>
+		</div>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_Email"
+				form="user-form"
+				column="email">
+			</htk-entry>
+		</div>
+		<div class="form-group">
+			<htk-entry
+				placeholder="_Display name"
+				form="user-form"
+				column="nickname"/>
+		</div>
+		<div class="form-group">
+			<htk-combo
+				placeholder="_Language"
+				form="user-form"
+				column="lang">
+				<db-model property="model">
+					<custom>
+						SELECT code, name FROM language WHERE isActive
+					</custom>
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label>
 				<htk-check form="user-form" column="isToBeMailed"/>
-			</div>
+				<t>Receive invoices by email</t>
+			</label>
 		</div>
 	</div>
 </div>
 <htk-popup
 	id="change-password"
 	modal="true">
-	<div property="child-node" class="htk-dialog pass-change">
-		<div>
+	<div property="child-node" class="htk-dialog vn-w-xs vn-pa-lg">
+		<div class="form">
+			<h5 class="vn-mb-md">
+				<t>Change password</t>
+			</h5>
 			<input
 				id="old-password"
 				type="password"
@@ -84,11 +96,11 @@
 				placeholder="_Repeat password"/>
 		</div>
 		<div class="button-bar">
-			<button class="thin" on-click="onPassModifyClick">
+			<button class="thin" on-click="this.onPassModifyClick()">
 				<t>Modify</t>
 			</button>
-			<button class="thin" on-click="onPassInfoClick">
-				<t>Info</t>
+			<button class="thin" on-click="this.onPassInfoClick()">
+				<t>Requirements</t>
 			</button>
 			<div class="clear"/>
 		</div>
@@ -97,30 +109,25 @@
 <htk-popup
 	id="password-info"
 	modal="true">
-	<div property="child-node" class="htk-dialog pass-info">
-		<h3>
+	<div property="child-node" class="htk-dialog pass-info vn-w-xs vn-pa-lg">
+		<h5 class="vn-mb-md">
 			<t>Password requirements</t>
-		</h3>
+		</h5>
 		<ul>
 			<li>
-				<htk-text form="password-form" column="length"/> 
-				<t>characters long</t>
+				{{passwordForm.length}} <t>characters long</t>
 			</li>
 			<li>
-				<htk-text form="password-form" column="nAlpha"/> 
-				<t>alphabetic characters</t>
+				{{passwordForm.nAlpha}} <t>alphabetic characters</t>
 			</li>
 			<li>
-				<htk-text form="password-form" column="nUpper"/> 
-				<t>capital letters</t>
+				{{passwordForm.nUpper}} <t>capital letters</t>
 			</li>
 			<li>
-				<htk-text form="password-form" column="nDigits"/> 
-				<t>digits</t>
+				{{passwordForm.nDigits}} <t>digits</t>
 			</li>
 			<li>
-				<htk-text form="password-form" column="nPunct"/> 
-				<t>symbols</t>
+				{{passwordForm.nPunct}} <t>symbols</t>
 			</li>
 		</ul>
 	</div>
diff --git a/forms/admin/access-log/access-log.js b/forms/admin/access-log/access-log.js
index 8efbd52a..aa58beda 100644
--- a/forms/admin/access-log/access-log.js
+++ b/forms/admin/access-log/access-log.js
@@ -1,6 +1,5 @@
 
-Hedera.AccessLog = new Class
-({
+Hedera.AccessLog = new Class({
 	Extends: Hedera.Form
 });
 
diff --git a/forms/admin/access-log/style.css b/forms/admin/access-log/style.css
index 9a6b0cfe..b9edd1c4 100644
--- a/forms/admin/access-log/style.css
+++ b/forms/admin/access-log/style.css
@@ -1,36 +1,12 @@
-.access-log
-{
-	padding: 1em;
-}
-.access-log .box
-{
-	max-width: 25em;
-	margin: 0 auto;
-}
-.access-log .form
-{
-	padding: 2em;
-}
-.access-log .form > p
-{
+
+.access-log .form > p {
 	font-size: 1.2em;
 	margin: .1em 0;
 }
 
 /* List */
 
-.access-log .list
-{
-	margin-top: 1em;
-}
-.access-log .item
-{
-	display: block;
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.access-log .item > p
-{
-	margin: .1em 0;
+.access-log .htk-list {
+	margin-top: 16px;
 }
 
diff --git a/forms/admin/access-log/ui.xml b/forms/admin/access-log/ui.xml
index 33cd2340..ebe24628 100644
--- a/forms/admin/access-log/ui.xml
+++ b/forms/admin/access-log/ui.xml
@@ -1,18 +1,12 @@
 <vn>
 <vn-group>
-	<vn-param id="user"/>
-	<vn-hash-param key="user" param="user"/>
-	<db-form id="user-form">
-		<db-model property="model">
-			<custom>
-				SELECT Id_Cliente, Cliente, Telefono, movil
-					FROM vn2008.Clientes WHERE Id_Cliente = #user
-			</custom>
-			<sql-batch property="batch">
-				<custom>
-					<item name="user" param="user"/>
-				</custom>
-			</sql-batch>
+	<db-form v-model="user">
+		<db-model property="model" lot="hash">
+			SELECT u.id, u.name user, u.nickname, u.email, c.phone, r.name role
+				FROM account.user u
+					JOIN account.role r ON r.id = u.role
+					LEFT JOIN vn.client c ON c.id = u.id 
+				WHERE u.id = #user
 		</db-model>
 	</db-form>
 </vn-group>
@@ -20,55 +14,37 @@
 	<h1><t>AccessLog</t></h1>
 </div>
 <div id="form" class="access-log">
-	<div class="box">
+	<div class="box vn-w-xs vn-pa-lg">
 		<div class="form">
-			<p>
-				<htk-text form="user-form" column="Id_Cliente"/>
-			</p>
-			<p>
-				<htk-text form="user-form" column="Cliente"/>
-			</p>
-			<p>
-				<htk-text form="user-form" column="Telefono"/>
-			</p>
-			<p>
-				<htk-text form="user-form" column="movil"/>
-			</p>
-		</div>
-	</div>
-	<div class="list box">
-		<div>
-			<htk-repeater form-id="iter">
-				<db-model property="model">
-					<custom>
-						SELECT u.stamp, a.platform, a.browser, a.version, a.javascript, a.cookies
-							FROM visitUser u
-								JOIN visitAccess c ON c.id = u.accessFk
-								JOIN visitAgent a ON a.id = c.agentFk
-							WHERE u.userFk = #user
-							ORDER BY u.stamp DESC
-							LIMIT 8
-					</custom>
-					<sql-batch property="batch">
-						<custom>
-							<item name="user" param="user"/>
-						</custom>
-					</sql-batch>
-				</db-model>
-				<custom>
-					<div class="item">
-						<p>
-							<htk-text form="iter" column="stamp" format="_%a, %e %b %Y at %T"/>
-						</p>
-						<p>
-							<htk-text form="iter" column="platform"/> - 
-							<htk-text form="iter" column="browser"/> 
-							<htk-text form="iter" column="version"/>
-						</p>
-					</div>
-				</custom>
-			</htk-repeater>
+			<h4>{{user.nickname}}</h4>
+			<p>#{{user.id}} - {{user.user}}</p>
+			<p>{{user.role}}</p>
+			<p>{{user.email}}</p>
+			<p>{{user.phone}}</p>
 		</div>
 	</div>
+	<htk-repeater form-id="iter" class="box vn-w-xs htk-list vn-mt-md">
+		<db-model property="model" lot="hash">
+			SELECT u.stamp, a.platform, a.browser, a.version, a.javascript, a.cookies
+				FROM visitUser u
+					JOIN visitAccess c ON c.id = u.accessFk
+					JOIN visitAgent a ON a.id = c.agentFk
+				WHERE u.userFk = #user
+				ORDER BY u.stamp DESC
+				LIMIT 8
+		</db-model>
+		<custom>
+			<div class="item">
+				<div class="content">
+					<p>
+						{{Vn.Value.format(iter.stamp, _('%a, %e %b %Y at %T'))}}
+					</p>
+					<p>
+						{{iter.platform}} - {{iter.browser}} {{iter.version}}
+					</p>
+				</div>
+			</div>
+		</custom>
+	</htk-repeater>
 </div>
 </vn>
diff --git a/forms/admin/connections/connections.js b/forms/admin/connections/connections.js
index ff058c12..ef09f125 100644
--- a/forms/admin/connections/connections.js
+++ b/forms/admin/connections/connections.js
@@ -4,38 +4,28 @@ Hedera.Connections = new Class({
 	
 	,_timeoutId: null
 
-	,onModelStatusChange: function(model) {
-		if (!model.ready)
+	,onModelStatusChange: function() {
+		if (!this.$.sessions.ready)
 			return;
 
 		if (this._timeoutId)
 			clearTimeout(this._timeoutId);
 			
-		this._timeoutId = setTimeout(this.onRefreshClick.bind(this), 60000);
+		this._timeoutId = setTimeout(
+			() => this.$.sessions.refresh(), 60000);
 	}
 	
 	,deactivate: function() {
 		clearTimeout(this._timeoutId);
 	}
-	
-	,onRefreshClick: function() {
-		this.$('sessions').refresh();	
-	}
 
-	,onAccessLogClick: function(button, form) {
-		this.hash.set({
-			 form: 'admin/access-log'
-			,user: form.get('userId')
-		});
-	}
-
-	,onChangeUserClick: function(button, form) {
-		this.gui.supplantUser(form.get('user'),
+	,onChangeUserClick: function(userName) {
+		this.gui.supplantUser(userName,
 			this._onUserSupplant.bind(this));
 	}
 	
 	,_onUserSupplant: function() {
-		this.hash.set({form: 'ecomerce/orders'});
+		this.hash.setAll({form: 'ecomerce/orders'});
 	}
 	
 	,sessionsFunc: function() {
diff --git a/forms/admin/connections/style.css b/forms/admin/connections/style.css
index b27e9449..b7ac80ac 100644
--- a/forms/admin/connections/style.css
+++ b/forms/admin/connections/style.css
@@ -1,44 +1,6 @@
-.connections
-{
-	padding: 1em;
-}
-.connections .box
-{
-	max-width: 25em;
-	margin: 0 auto;
-}
-.action-bar .connections-sum
-{
+
+.action-bar .connections-sum {
 	padding: .4em;
-	margin-top: .9em;
-	margin-right: .5em;
 	background-color: #1e88e5;
-	border-radius: 0.1em;
-	box-shadow: 0 0 0.4em #666;
+	border-radius: .1em;
 }
-
-/* List */
-
-.connections .item
-{
-	display: block;
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.connections .item > button
-{
-	float: right;
-	margin: 0;
-}
-.connections .item > p
-{
-	margin: .1em 0;
-}
-.connections .item > p.important
-{
-	font-size: 1.2em;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-	overflow: hidden;
-}
-
diff --git a/forms/admin/connections/ui.xml b/forms/admin/connections/ui.xml
index 29a9ceb3..487938fa 100644
--- a/forms/admin/connections/ui.xml
+++ b/forms/admin/connections/ui.xml
@@ -6,7 +6,7 @@
 	<htk-bar-button
 		icon="refresh"
 		tip="_Refresh"
-		on-click="onRefreshClick"/>
+		on-click="sessions.refresh()"/>
 	<div class="connections-sum">
 		<htk-text>
 			<db-calc-sum
@@ -18,50 +18,46 @@
 	</div>
 </div>
 <div id="form" class="connections">
-	<div class="box">
-		<htk-repeater form-id="iter">
-			<db-model property="model" id="sessions" on-status-changed="onModelStatusChange">
-				<custom>
-					SELECT vu.userFk userId, vu.stamp, u.nickname, s.lastUpdate, 
-							a.platform, a.browser, a.version, u.name user
-						FROM userSession s
-							JOIN visitUser vu ON vu.id = s.userVisitFk
-							JOIN visitAccess ac ON ac.id = vu.accessFk
-							JOIN visitAgent a ON a.id = ac.agentFk
-							JOIN visit v ON v.id = a.visitFk
-							JOIN account.user u ON u.id = vu.userFk
-						ORDER BY lastUpdate DESC
-				</custom>
-			</db-model>
-			<custom>
-				<div class="item">
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_Supplant user"
-						icon="incognito"
-						on-click="onChangeUserClick"/>
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_Access log"
-						icon="gnome"
-						on-click="onAccessLogClick"/>
+	<htk-repeater form-id="iter" class="box htk-list vn-w-xs">
+		<db-model
+			property="model"
+			id="sessions"
+			on-status-changed="this.onModelStatusChange()">
+			SELECT vu.userFk userId, vu.stamp, u.nickname, s.lastUpdate, 
+					a.platform, a.browser, a.version, u.name user
+				FROM userSession s
+					JOIN visitUser vu ON vu.id = s.userVisitFk
+					JOIN visitAccess ac ON ac.id = vu.accessFk
+					JOIN visitAgent a ON a.id = ac.agentFk
+					JOIN visit v ON v.id = a.visitFk
+					JOIN account.user u ON u.id = vu.userFk
+				ORDER BY lastUpdate DESC
+		</db-model>
+		<custom>
+			<a class="item"
+				href="{{`#!form=admin/access-log&amp;user=${iter.userId}`}}"
+				title="_Access log">
+				<div class="content">
 					<p class="important">
-						<htk-text form="iter" column="nickname"/>
+						{{iter.nickname}}
 					</p>
 					<p>
-						<htk-text form="iter" column="stamp" format="%a, %T"/> - 
-						<htk-text form="iter" column="lastUpdate" format="%T"/>
+						{{Vn.Value.format(iter.stamp, '%a, %T')}} - 
+						{{Vn.Value.format(iter.lastUpdate, '%T')}}
 					</p>
 					<p>
-						<htk-text form="iter" column="platform"/> - 
-						<htk-text form="iter" column="browser"/> 
-						<htk-text form="iter" column="version"/>
+						{{iter.platform}} - {{iter.browser}} {{iter.version}}
 					</p>
 				</div>
-			</custom>
-		</htk-repeater>
-	</div>
+				<div class="actions"
+					on-click="$event.preventDefault()">
+					<htk-button
+						tip="_Supplant user"
+						icon="supervisor_account"
+						on-click="this.onChangeUserClick(iter.user)"/>
+				</div>
+			</a>
+		</custom>
+	</htk-repeater>
 </div>
 </vn>
diff --git a/forms/admin/items/items.js b/forms/admin/items/items.js
index 63a56c8c..9c835278 100644
--- a/forms/admin/items/items.js
+++ b/forms/admin/items/items.js
@@ -3,6 +3,6 @@ Hedera.Items = new Class({
 	Extends: Hedera.Form,
 	
 	activate: function() {	
-		this.$('items').setInfo('i', 'item', 'vn', ['id']);
+		this.$.items.setInfo('i', 'item', 'vn', ['id']);
 	}
 });
diff --git a/forms/admin/items/style.css b/forms/admin/items/style.css
index 0c32d69c..e9914e1a 100644
--- a/forms/admin/items/style.css
+++ b/forms/admin/items/style.css
@@ -1,41 +1,6 @@
-.items
-{
-	padding: 1em;
-}
-.items .box
-{
-	max-width: 25em;
-	margin: 0 auto;
-}
 
-/* Row */
-
-.items .row
-{
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
+.items .item .photo {
+	border-radius: 10px;
+	height: 80px;
+	width: 80px;
 }
-.items .row > .photo
-{
-	margin-right: 1em;
-	float: left;
-	border-radius: 3%;
-	height: 5.5em;
-	width: 5.5em;
-}
-.items .row > p
-{
-	margin: .1em 0;
-	margin-left: 5em;
-	white-space: nowrap;
-	overflow: hidden;
-	text-overflow: ellipsis;
-}
-
-/* Topbar */
-
-.action-bar .htk-search-entry
-{
-	margin: .8em .6em;
-}
-
diff --git a/forms/admin/items/ui.xml b/forms/admin/items/ui.xml
index 41fbf780..9dd869ba 100644
--- a/forms/admin/items/ui.xml
+++ b/forms/admin/items/ui.xml
@@ -1,38 +1,32 @@
 <vn>
-<vn-group>
-	<vn-param id="filter"/>
-	<vn-hash-param key="filter" param="filter"/>
-</vn-group>
 <div id="title">
 	<h1><t>Items</t></h1>
 </div>
 <div id="actions">
-	<htk-search-entry param="filter"/>
+	<htk-search-entry form="hash" column="search"/>
 </div>
 <div id="form" class="items">
-	<div class="rows box">
-		<htk-repeater form-id="iter" empty-message="_Enter a search term">
-			<db-model property="model" id="items">
-				SELECT i.id, i.longName, i.size, i.category,
-						i.value5, i.value6, i.value7,
-						i.image, im.updated
-					FROM vn.item i
-						LEFT JOIN image im
-							ON im.collectionFk = 'catalog'
-							AND im.name = i.image
-					WHERE i.longName LIKE CONCAT('%', #filter, '%')
-						OR i.id = #filter
-					ORDER BY i.longName LIMIT 50
-				<sql-batch property="batch">
-					<custom>
-						<item name="filter" param="filter"/>
-					</custom>
-				</sql-batch>
-			</db-model>
-			<custom>
-				<div class="row">
+	<htk-repeater 
+		class="htk-list rows box vn-w-xs"
+		form-id="iter"
+		empty-message="_Enter a search term">
+		<db-model property="model" id="items" lot="hash">
+			SELECT i.id, i.longName, i.size, i.category,
+					i.value5, i.value6, i.value7,
+					i.image, im.updated
+				FROM vn.item i
+					LEFT JOIN image im
+						ON im.collectionFk = 'catalog'
+						AND im.name = i.image
+				WHERE i.longName LIKE CONCAT('%', #search, '%')
+					OR i.id = #search
+				ORDER BY i.longName LIMIT 50
+		</db-model>
+		<custom>
+			<div class="item">
+				<div class="side vn-mr-md">
 					<htk-image
-						form="iter"
+						form="$iter"
 						column="image"
 						stamp-column="updated"
 						class="photo"
@@ -41,24 +35,23 @@
 						full-dir="1600x900"
 						editable="true"
 						conn="conn"/>
-					<p class="concept">
-						<htk-text form="iter" column="longName"/>
+				</div>
+				<div class="content">
+					<p class="important">
+						{{iter.longName}}
 					</p>
 					<p class="tags">
-						<htk-text form="iter" column="value5"/> 
-						<htk-text form="iter" column="value6"/> 
-						<htk-text form="iter" column="value7"/>
+						{{iter.value5}} {{iter.value6}} {{iter.value7}}
 					</p>
 					<p>
-						#<htk-text form="iter" column="id"/>
+						{{iter.id}}
 					</p>
 					<p>
-						<htk-text form="iter" column="image"/>
+						{{iter.image}}
 					</p>
-					<div class="clear"/>
 				</div>
-			</custom>
-		</htk-repeater>
-	</div>
+			</div>
+		</custom>
+	</htk-repeater>
 </div>
 </vn>
diff --git a/forms/admin/links/links.js b/forms/admin/links/links.js
index f19f14a1..4f761884 100644
--- a/forms/admin/links/links.js
+++ b/forms/admin/links/links.js
@@ -1,11 +1,5 @@
 
-Hedera.Links = new Class
-({
+Hedera.Links = new Class({
 	Extends: Hedera.Form
-
-	,repeaterFunc: function (res, form)
-	{
-		res.$('link').href = form.get ('link');
-	}
 });
 
diff --git a/forms/admin/links/style.css b/forms/admin/links/style.css
index b74a6af2..4ec8fa2c 100644
--- a/forms/admin/links/style.css
+++ b/forms/admin/links/style.css
@@ -1,38 +1,50 @@
 
-.cpanel
-{
-	padding: 1em;
+.cpanel .items > div {
+	max-width: 900px;
+	display: flex;
+	flex-wrap: wrap;
+	justify-content: center;
+	gap: 16px;
+	margin: 0 auto;
 }
-.cpanel .box
-{
-	max-width: 30em;
+.cpanel .item {
+	display: flex;
+	flex-direction: column;
+	align-items: center;
+	margin: 0;
+	width: 140px;
+	padding: 15px;
+	text-align: center;
+	transition: background-color 250ms ease-out;
 }
-
-/* Items */
-
-.cpanel .item
-{
-	display: block;
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.cpanel .item:hover
-{
+.cpanel .item:hover {
 	background-color: rgba(1, 1, 1, 0.05);
 }
-.cpanel .item > .htk-image
-{
+.cpanel .item > .htk-image {
+	display: flex;
+	justify-content: center;
+	align-items: center;
 	margin: 0;
-	margin-right: 1em;
 	float: left;
-	max-height: 2.8em;
-	max-width: 2.8em;
+	height: 80px;
 }
-.cpanel .item > p
-{
+.cpanel .item > .htk-image > img {
+	max-height: 60px;
+	max-width: 60px;
+	padding: 0;
+}
+.cpanel .item > h6 {
+	flex: none;
 	margin: .1em 0;
+	font-size: .9rem;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	overflow: hidden;
 }
-.cpanel .item > p.important
-{
-	font-size: 1.2em;
+.cpanel .item > .text-secondary {
+	flex: none;
+	margin: 0;
+	font-size: .8rem;
+	height: 40px;
+	overflow: hidden;
 }
diff --git a/forms/admin/links/ui.xml b/forms/admin/links/ui.xml
index 79540fd9..c5e166c9 100644
--- a/forms/admin/links/ui.xml
+++ b/forms/admin/links/ui.xml
@@ -3,30 +3,29 @@
 	<h1><t>ControlPanel</t></h1>
 </div>
 <div id="form" class="cpanel">
-	<div class="box">
-		<htk-repeater form-id="iter" renderer="repeaterFunc">
-			<db-model property="model">
-				<custom>
-					SELECT image, name, description, link FROM link
-						ORDER BY name
-				</custom>
-			</db-model>
+	<htk-repeater form-id="iter" class="items">
+		<db-model property="model">
 			<custom>
-				<a id="link" class="item" target="_blank">
-					<htk-image
-						form="iter"
-						column="image"
-						directory="link"
-						subdir="full"/>
-					<p class="important">
-						<htk-text form="iter" column="name"/>
-					</p>
-					<p>
-						<htk-text form="iter" column="description"/>
-					</p>
-				</a>
+				SELECT image, name, description, link FROM link
+					ORDER BY name
 			</custom>
-		</htk-repeater>
-	</div>
+		</db-model>
+		<custom>
+			<a class="item box"
+				href="{{iter.link}}"
+				target="_blank">
+				<htk-image
+					value="{{iter.image}}"
+					directory="link"
+					subdir="full"/>
+				<h6>
+					{{iter.name}}
+				</h6>
+				<p class="text-secondary">
+					{{iter.description}}
+				</p>
+			</a>
+		</custom>
+	</htk-repeater>
 </div>
 </vn>
diff --git a/forms/admin/photos/photos.js b/forms/admin/photos/photos.js
index 7130d0a0..f51c8e1a 100644
--- a/forms/admin/photos/photos.js
+++ b/forms/admin/photos/photos.js
@@ -6,8 +6,7 @@ var Status = {
 	,UPLOADED  : 3
 };
 
-Hedera.Photos = new Class
-({
+Hedera.Photos = new Class({
 	Extends: Hedera.Form
 	,filesData: []
 	,uploadCount: 0
@@ -16,7 +15,7 @@ Hedera.Photos = new Class
 	,isUploading: false
 
 	,activate: function() {
-		this.$('schema').value = 'catalog';
+		this.$.schema.value = 'catalog';
 	}
 
 	,addFiles: function(files) {
@@ -54,23 +53,24 @@ Hedera.Photos = new Class
 		statusNode.className = 'status';
 		li.appendChild(statusNode);
 
-		var button = new Htk.Button({
-			tip: 'Remove',
-			icon: 'delete'
-		});
-		button.on('click', this.onFileRemove, this);
-		li.appendChild(button.node);
-
 		var fileData = {
 			li: li,
 			file: file,
 			name: name,
 			statusNode: statusNode
 		};
-		this.filesData.push(fileData);
-		button.value = fileData;
 
-		this.$('file-list').appendChild(li);
+		var button = new Htk.Button({
+			tip: 'Remove',
+			icon: 'delete'
+		});
+		button.node.addEventListener('click',
+			() => this.onFileRemove(fileData));
+		li.appendChild(button.node);
+
+		this.filesData.push(fileData);
+
+		this.$.fileList.appendChild(li);
 		this.setImageStatus(fileData, Status.NONE, 'add', _('Pending upload'));
 	}
 
@@ -83,7 +83,7 @@ Hedera.Photos = new Class
 
 			if (fileData.status === Status.NONE) {
 				this.setImageStatus(
-					fileData, Status.WAITING, 'cloud-upload', _('Waiting for upload'));
+					fileData, Status.WAITING, 'cloud_upload', _('Waiting for upload'));
 				fileData.name.disabled = true;
 				this.uploadQueue.push(fileData);
 				count++;
@@ -107,10 +107,10 @@ Hedera.Photos = new Class
 			fileData, Status.UPLOADING, 'upload', _('Uploading file'));
 
 		var formData = new FormData();
-		formData.append('updateMatching', this.$('update-matching').value);
+		formData.append('updateMatching', this.$.updateMatching.value);
 		formData.append('image', fileData.file);
 		formData.append('name', fileData.name.value);
-		formData.append('schema', this.$('schema').value);
+		formData.append('schema', this.$.schema.value);
 		formData.append('srv', 'json:image/upload');
 		this.conn.sendFormData(formData,
 			this.onFileUpload.bind(this, fileData));
@@ -121,7 +121,7 @@ Hedera.Photos = new Class
 
 		if (data) {
 			this.setImageStatus(
-				fileData, Status.UPLOADED, 'ok', _('Image uploaded'));
+				fileData, Status.UPLOADED, 'cloud_done', _('Image uploaded'));
 		} else {
 			this.setImageStatus(
 				fileData, Status.NONE, 'error', error.message);
@@ -146,14 +146,13 @@ Hedera.Photos = new Class
 		var statusNode = fileData.statusNode;
 		Vn.Node.removeChilds(statusNode);
 	
-		var iconNode = new Htk.Icon({icon: icon});
+		var iconNode = new Htk.Icon({name: icon});
 		statusNode.appendChild(iconNode.node);
 		statusNode.title = title ? title : '';
 	}
 
-	,onFileRemove: function(button) {
-		var fileData = button.value;
-		this.$('file-list').removeChild(fileData.li);
+	,onFileRemove: function(fileData) {
+		this.$.fileList.removeChild(fileData.li);
 
 		for (var i = 0; i < this.filesData.length; i++)
 		if (this.filesData[i] === fileData) {
@@ -164,23 +163,23 @@ Hedera.Photos = new Class
 
 	,onClearClick: function() {
 		this.filesData = [];
-		Vn.Node.removeChilds(this.$('file-list'));
+		Vn.Node.removeChilds(this.$.fileList);
 	}
 
 	,onDropzoneClick: function() {
-		this.$('file').click();
+		this.$.file.click();
 	}
 
 	,onFileChange: function() {
-		this.addFiles(this.$('file').files);
+		this.addFiles(this.$.file.files);
 	}
 
 	,onDragEnter: function() {
-		this.$('dropzone').classList.add('dragover');
+		this.$.dropzone.classList.add('dragover');
 	}
 
 	,onDragLeave: function() {
-		this.$('dropzone').classList.remove('dragover');
+		this.$.dropzone.classList.remove('dragover');
 	}
 
 	,onDragOver: function(event) {
@@ -188,7 +187,7 @@ Hedera.Photos = new Class
 	}
 
 	,onDragEnd: function(event) {
-		this.$('dropzone').classList.remove('dragover');
+		this.$.dropzone.classList.remove('dragover');
 		event.dataTransfer.clearData();
 	}
 
diff --git a/forms/admin/photos/style.css b/forms/admin/photos/style.css
index 47d90ce5..ca193e89 100644
--- a/forms/admin/photos/style.css
+++ b/forms/admin/photos/style.css
@@ -1,12 +1,4 @@
 
-.photos {
-	padding: 1em;
-}
-.photos .box {
-	max-width: 25em;
-	padding: 2em;
-}
-
 /* Dropzone */
 
 .photos .dropzone {
@@ -56,11 +48,11 @@
 }
 .photos .file-list .status {
 	cursor: pointer;
-	width: 1em;
+	width: 1.2em;
 	padding-left: .5em;
 	padding-right: .5em;
 }
-.photos .file-list .status > img {
+.photos .file-list .status > .htk-icon {
 	display: block;
 }
 .photos .file-list .htk-button {
diff --git a/forms/admin/photos/ui.xml b/forms/admin/photos/ui.xml
index 4b5910fd..4a4bb83c 100644
--- a/forms/admin/photos/ui.xml
+++ b/forms/admin/photos/ui.xml
@@ -3,7 +3,7 @@
 	<h1><t>Images</t></h1>
 </div>
 <div id="form" class="photos">
-	<div class="box">
+	<div class="box form vn-w-sm vn-pa-lg">
 		<div class="form-group">
 			<label><t>Collection</t></label>
 			<htk-combo id="schema">
diff --git a/forms/admin/queries/queries.js b/forms/admin/queries/queries.js
index cc2bb678..d27481e8 100644
--- a/forms/admin/queries/queries.js
+++ b/forms/admin/queries/queries.js
@@ -1,102 +1,91 @@
 
-Hedera.Queries = new Class
-({
+Hedera.Queries = new Class({
 	Extends: Hedera.Form
 	
-	,activate: function  ()
-	{
-		this.$('result-index').value = 0;
+	,activate: function() {
+		this.$.resultIndex.value = 0;
 	}
 	
-	,clean: function ()
-	{
-		if (this._grid)
-		{
-			this.$('grid-holder').removeChild (this._grid.node);
-			this._grid.unref ();
+	,clean: function() {
+		if (this._grid) {
+			this.$.gridHolder.removeChild(this._grid.node);
+			this._grid.unref();
 			this._grid = null;
 		}
 	}
 	
-	,_onExecuteClick: function ()
-	{
-		this.clean ();
+	,onExecuteClick: function() {
+		this.clean();
 		
-		var model = new Db.Model ({
+		var model = new Db.Model({
 			conn: this.conn,
-			query: this.$('sql').value,
-			resultIndex: this.$('result-index').value,
-			updatable: this.$('updatable').value
+			query: this.$.sql.value,
+			resultIndex: this.$.resultIndex.value,
+			updatable: this.$.updatable.value
 		});
-		model.on ('status-changed', this._onModelChange, this);
+		model.on('status-changed', this.onModelChange, this);
 	}
 	
-	,_onCleanClick: function ()
-	{
-		this.clean ();
+	,onCleanClick: function() {
+		this.clean();
 	}
 	
-	,_onModelChange: function (model, status)
-	{
-		if (status !== Db.Model.Status.LOADING)
-		{
-			model.disconnect ('status-changed', this._onModelChange, this);
-			model.unref ();
+	,onModelChange: function(model, status) {
+		if (status !== Db.Model.Status.LOADING) {
+			model.disconnect('status-changed', this.onModelChange, this);
+			model.unref();
 		}
 
 		if (status !== Db.Model.Status.READY)
 			return;
 
-		Htk.Toast.showMessage (_('Query executed!'));
+		Htk.Toast.showMessage(_('Query executed!'));
 
-		var gridHolder = this.$('grid-holder');
+		var gridHolder = this.$.gridHolder;
 		
 		if (gridHolder.firstChild)
-			gridHolder.removeChilds (gridHolder.firstChild);
+			gridHolder.removeChilds(gridHolder.firstChild);
 
-		var grid = new Htk.Grid ();
+		var grid = new Htk.Grid();
 		
 		var columns = model.columns;
 		
-		for (var i = 0; i < columns.length; i++)
-		{
+		for (var i = 0; i < columns.length; i++) {
 			var c = columns[i];
 		
-			switch (c.type)
-			{
+			switch (c.type) {
 				case Db.Conn.Type.BOOLEAN:
-					var column = new Htk.ColumnCheck ();
+					var column = new Htk.ColumnCheck();
 					break;
 				case Db.Conn.Type.INTEGER:
-					var column = new Htk.ColumnSpin ();
+					var column = new Htk.ColumnSpin();
 					break;
 				case Db.Conn.Type.DOUBLE:
-					var column = new Htk.ColumnSpin ({digits: 2});
+					var column = new Htk.ColumnSpin({digits: 2});
 					break;
 				case Db.Conn.Type.DATE:
-					var column = new Htk.ColumnDate ({format: '%a, %e %b %Y'});
+					var column = new Htk.ColumnDate({format: '%a, %e %b %Y'});
 					break;
 				case Db.Conn.Type.DATE_TIME:
-					var column = new Htk.ColumnDate ({format: '%a, %e %b %Y, %T'});
+					var column = new Htk.ColumnDate({format: '%a, %e %b %Y, %T'});
 					break;
 				case Db.Conn.Type.STRING:
 				default:
-					var column = new Htk.ColumnText ();
+					var column = new Htk.ColumnText();
 			}
 		
-			column.setProperties ({
+			column.setProperties({
 				title: c.name,
-				editable: this.$('updatable').value,
+				editable: this.$.updatable.value,
 				columnIndex: i
 			});
 			
-			grid.appendColumn (column);
+			grid.appendColumn(column);
 		}
 		
 		grid.model = model;
-		gridHolder.appendChild (grid.node);
+		gridHolder.appendChild(grid.node);
 		this._grid = grid;
-	
 	}
 });
 
diff --git a/forms/admin/queries/style.css b/forms/admin/queries/style.css
index e3c925ca..9b9420ce 100644
--- a/forms/admin/queries/style.css
+++ b/forms/admin/queries/style.css
@@ -1,25 +1,10 @@
-.queries
-{
-	padding: 1em;
-}
-.queries .box
-{
-	max-width: 40em;
-	margin: 0 auto;
-}
-.queries .form
-{
-	box-sizing: border-box;
-	padding: 2em;
-}
-.queries textarea
-{
+
+.queries textarea {
 	display: block;
 	width: 100%;
 	height: 8em;
 }
-.queries .result
-{
+.queries .result {
 	margin-top: 1em;
 	overflow: auto;
 }
diff --git a/forms/admin/queries/ui.xml b/forms/admin/queries/ui.xml
index 6d1b6745..ab3932bf 100644
--- a/forms/admin/queries/ui.xml
+++ b/forms/admin/queries/ui.xml
@@ -6,14 +6,14 @@
 	<htk-bar-button
 		icon="ok"
 		tip="_Execute"
-		on-click="_onExecuteClick"/>
+		on-click="this.onExecuteClick()"/>
 	<htk-bar-button
 		icon="delete"
 		tip="_Clean"
-		on-click="_onCleanClick"/>
+		on-click="this.onCleanClick()"/>
 </div>
 <div id="form" class="queries">
-	<div class="box form">
+	<div class="box form vn-w-sm vn-pa-lg">
 		<div class="form-group">
 			<label><t>SQL query</t></label>
 			<textarea
diff --git a/forms/admin/users/style.css b/forms/admin/users/style.css
index 30caf897..586a0d0e 100644
--- a/forms/admin/users/style.css
+++ b/forms/admin/users/style.css
@@ -1,45 +1,11 @@
-.users
-{
-	padding: 1em;
+
+.users-box.item > .actions {
+	display: flex;
 }
-.users .box
-{
-	max-width: 30em;
-	margin: 0 auto;
-}
-.users-box
-{
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.users-box > button
-{
-	float: right;
-	margin: 0;
-}
-.users-box > p
-{
-	margin: .2em 0;
-}
-.users-box > p.important
-{
-	font-size: 1.2em;
-}
-.users-box > .disabled
-{
-	float: right;
+.users-box .disabled {
 	color: white;
 	background-color: #F66;
 	border-radius: .2em;
-	padding: .2em;
-	margin: .3em;
+	padding: .3em;
 	font-size: .8em;
 }
-
-/* Topbar */
-
-.action-bar .htk-search-entry
-{
-	margin: .8em .6em;
-}
-
diff --git a/forms/admin/users/ui.xml b/forms/admin/users/ui.xml
index 0b41e395..922e88ff 100644
--- a/forms/admin/users/ui.xml
+++ b/forms/admin/users/ui.xml
@@ -1,62 +1,48 @@
 <vn>
-<vn-group>
-	<vn-param id="user-name"/>
-	<vn-hash-param key="user" param="user-name"/>
-</vn-group>
 <div id="title">
 	<h1><t>User management</t></h1>
 </div>
 <div id="actions">
-	<htk-search-entry
-		param="user-name"/>
+	<htk-search-entry form="hash" column="user"/>
 </div>
 <div id="form" class="users">
-	<div class="box">
-		<htk-repeater form-id="iter" renderer="rendererFunc">
-			<db-model property="model">
-				<custom>
-					SELECT u.id, u.name, u.nickname, u.active
-						FROM account.user u
-						WHERE u.name LIKE CONCAT('%', #user, '%')
-							OR u.nickname LIKE CONCAT('%', #user, '%')
-							OR u.id = #user
-						ORDER BY u.name LIMIT 200
-				</custom>
-				<sql-batch property="batch">
-					<custom>
-						<item name="user" param="user-name"/>
-					</custom>
-				</sql-batch>
-			</db-model>
-			<custom>
-				<div class="users-box">
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_Access log"
-						icon="gnome"
-						on-click="onAccessLogClick"/>
-					<htk-button
-						id="impersonate"
-						form="iter"
-						column="id"
-						tip="_Impersonate user"
-						icon="incognito"
-						on-click="onChangeUserClick"/>
+	<htk-repeater
+		form-id="iter"
+		renderer="rendererFunc"
+		class="htk-list box vn-w-xs">
+		<db-model property="model" lot="hash">
+			SELECT u.id, u.name, u.nickname, u.active
+				FROM account.user u
+				WHERE u.name LIKE CONCAT('%', #user, '%')
+					OR u.nickname LIKE CONCAT('%', #user, '%')
+					OR u.id = #user
+				ORDER BY u.name LIMIT 200
+		</db-model>
+		<custom>
+			<a class="users-box item"
+				href="{{`#!form=admin/access-log&amp;user=${iter.id}`}}"
+				title="_Access log">
+				<div class="content">
+					<p class="important">
+						{{iter.nickname}}
+					</p>
+					<p>
+						#{{iter.id}} - {{iter.name}}
+					</p>
+				</div>
+				<div class="actions"
+					on-click="$event.preventDefault()">
 					<span id="disabled" class="disabled">
 						<t>Disabled</t>
 					</span>
-					<p class="important">
-						<htk-text form="iter" column="nickname"/>
-					</p>
-					<p>
-						#<htk-text form="iter" column="id"/> - 
-						<htk-text form="iter" column="name"/>
-					</p>
-					<div class="clear"/>
+					<htk-button
+						id="impersonate"
+						icon="supervisor_account"
+						tip="_Impersonate user"
+						on-click="this.onChangeUserClick(iter.name)"/>
 				</div>
-			</custom>
-		</htk-repeater>
-	</div>
+			</a>
+		</custom>
+	</htk-repeater>
 </div>
 </vn>
diff --git a/forms/admin/users/users.js b/forms/admin/users/users.js
index ccca530c..6df40d4d 100644
--- a/forms/admin/users/users.js
+++ b/forms/admin/users/users.js
@@ -2,28 +2,21 @@
 Hedera.Users = new Class({
 	Extends: Hedera.Form
 
-	,onAccessLogClick: function(button, form) {
-		this.hash.set({
-			 'form': 'admin/access-log'
-			,'user': form.get('id')
-		});
-	}
-
 	,rendererFunc: function(scope, form) {
-		var isEnabled = form.get('active')
-		scope.$('disabled').style.display = isEnabled ?
+		var isEnabled = form.$.active
+		scope.$.disabled.style.display = isEnabled ?
 			'none' : 'block';
-		scope.$('impersonate').node.style.display = isEnabled ?
+		scope.$.impersonate.node.style.display = isEnabled ?
 			'block' : 'none';
 	}
 
-	,onChangeUserClick: function(button, form) {
-		this.gui.supplantUser(form.get('name'),
+	,onChangeUserClick: function(userName) {
+		this.gui.supplantUser(userName,
 			this.onUserSupplant.bind(this));
 	}
 	
 	,onUserSupplant: function() {
-		this.hash.set({form: 'ecomerce/orders'});
+		this.hash.setAll({form: 'ecomerce/orders'});
 	}
 });
 
diff --git a/forms/admin/visits/style.css b/forms/admin/visits/style.css
index 4ccdc136..e8dae95f 100644
--- a/forms/admin/visits/style.css
+++ b/forms/admin/visits/style.css
@@ -1,46 +1,12 @@
-.visits
-{
-	padding: 1em;
+
+.visits .box {
+	margin-bottom: 16px;
 }
-.visits .box
-{
-	max-width: 25em;
-	margin: 0 auto;
+.visits .box:last-child {
+	margin-bottom: 0;
 }
-.visits .form
-{
-	padding: 1.5em;
-	max-width: 20em;
-}
-.visits .summary
-{
-	margin-top: 1em;
-}
-.visits .summary p
-{
-	padding: 1.5em;
+.visits .summary p {
 	font-size: 1.4em;
+	margin: 0;
 	text-align: right;
 }
-
-/* List */
-
-.visits .list
-{
-	margin-top: 1em;
-}
-.visits .item
-{
-	display: block;
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.visits .item > p
-{
-	margin: .1em 0;
-}
-.visits .item > p.important
-{
-	font-size: 1.2em;
-}
-
diff --git a/forms/admin/visits/ui.xml b/forms/admin/visits/ui.xml
index ae790c7f..8baf101b 100644
--- a/forms/admin/visits/ui.xml
+++ b/forms/admin/visits/ui.xml
@@ -1,4 +1,8 @@
 <vn>
+<vn-lot-query id="params">
+	<vn-spec name="from" type="Date"/>
+	<vn-spec name="to" type="Date"/>
+</vn-lot-query>
 <div id="title">
 	<h1><t>Visits</t></h1>
 </div>
@@ -6,87 +10,78 @@
 	<htk-bar-button
 		icon="refresh"
 		tip="_Refresh"
-		on-click="onRefreshClick"/>
+		on-click="visits.refresh()"/>
 	<htk-bar-button
-		icon="user-info"
+		icon="visibility"
 		tip="_Connections"
-		on-click="onSessionsClick"/>
+		on-click="this.hash.setAll({form: 'admin/connections'})"/>
 </div>
 <div id="form" class="visits">
-	<div class="box">
-		<div class="form">
+	<div class="vn-w-xs">
+		<div class="form vn-pa-lg box">
 			<div class="form-group">
 				<label><t>From</t></label>
-				<htk-date-chooser>
-					<vn-param property="param" id="from"/>
-				</htk-date-chooser>
+				<htk-date-chooser
+					form="params"
+					column="from"/>
 			</div>
 			<div class="form-group">
 				<label><t>To</t></label>
-				<htk-date-chooser>
-					<vn-param property="param" id="to"/>
-				</htk-date-chooser>
+				<htk-date-chooser
+					form="params"
+					column="to"/>
 			</div>
 		</div>
-	</div>
-	<div class="summary box">
-		<p>
-			<htk-text>
-				<db-calc-sum
-					property="param"
-					model="visits"
-					column-name="visits"/>
-			</htk-text> 
-			<t>visits</t>,
-			<htk-text>
-				<db-calc-sum
-					property="param"
-					model="visits"
-					column-name="newVisits"/>
-			</htk-text> 
-			<t>news</t>
-		</p>
-	</div>
-	<div class="list box">
-		<htk-repeater form-id="iter" empty-message="_Select date interval">
-			<db-model property="model" id="visits">
-				<custom>
-					SELECT browser,
-							MIN(CAST(version AS DECIMAL(4,1))) minVersion,
-							MAX(CAST(version AS DECIMAL(4,1))) maxVersion,
-							MAX(c.stamp) lastVisit,
-							COUNT(DISTINCT c.id) visits,
-							SUM(a.firstAccessFk = c.id AND v.firstAgentFk = a.id) newVisits
-						FROM visitUser e
-							JOIN visitAccess c ON c.id = e.accessFk
-							JOIN visitAgent a ON a.id = c.agentFk
-							JOIN visit v ON v.id = a.visitFk
-						WHERE c.stamp BETWEEN TIMESTAMP(#from,'00:00:00') AND TIMESTAMP(#to,'23:59:59')
-						GROUP BY browser ORDER BY visits DESC
-				</custom>
-				<sql-batch property="batch">
-					<custom>
-						<item name="from" param="from"/>
-						<item name="to" param="to"/>
-					</custom>
-				</sql-batch>
+		<div class="summary vn-pa-lg box">
+			<p>
+				<htk-text>
+					<db-calc-sum
+						property="param"
+						model="visits"
+						column-name="visits"/>
+				</htk-text> 
+				<t>visits</t>,
+				<htk-text>
+					<db-calc-sum
+						property="param"
+						model="visits"
+						column-name="newVisits"/>
+				</htk-text> 
+				<t>news</t>
+			</p>
+		</div>
+		<htk-repeater
+			class="box htk-list"
+			form-id="iter"
+			empty-message="_Select date interval">
+			<db-model property="model" id="visits" lot="params">
+				SELECT browser,
+						MIN(CAST(version AS DECIMAL(4,1))) minVersion,
+						MAX(CAST(version AS DECIMAL(4,1))) maxVersion,
+						MAX(c.stamp) lastVisit,
+						COUNT(DISTINCT c.id) visits,
+						SUM(a.firstAccessFk = c.id AND v.firstAgentFk = a.id) newVisits
+					FROM visitUser e
+						JOIN visitAccess c ON c.id = e.accessFk
+						JOIN visitAgent a ON a.id = c.agentFk
+						JOIN visit v ON v.id = a.visitFk
+					WHERE c.stamp BETWEEN TIMESTAMP(#from,'00:00:00') AND TIMESTAMP(#to,'23:59:59')
+					GROUP BY browser ORDER BY visits DESC
 			</db-model>
 			<custom>
 				<div class="item">
-					<p class="important">
-						<htk-text form="iter" column="browser"/> 
-						<htk-text form="iter" column="minVersion"/> - 
-						<htk-text form="iter" column="maxVersion"/>
-					</p>
-					<p>
-						<htk-text form="iter" column="visits"/> 
-						<t>visits</t>, 
-						<htk-text form="iter" column="newVisits"/> 
-						<t>news</t>
-					</p>
-					<p>
-						<htk-text form="iter" column="lastVisit" format="_%a, %e %b %Y at %T"/>
-					</p>
+					<div class="content">
+						<p class="important">
+							{{iter.browser}} {{iter.minVersion}} - {{iter.maxVersion}}
+						</p>
+						<p>
+							{{iter.visits}} <t>visits</t>, 
+							{{iter.newVisits}} <t>news</t>
+						</p>
+						<p>
+							{{Vn.Value.format(iter.lastVisit, _('%a, %e %b %Y at %T'))}}
+						</p>
+					</div>
 				</div>
 			</custom>
 		</htk-repeater>
diff --git a/forms/admin/visits/visits.js b/forms/admin/visits/visits.js
index fd4c40b0..24d54cdb 100644
--- a/forms/admin/visits/visits.js
+++ b/forms/admin/visits/visits.js
@@ -1,22 +1,13 @@
 
-Hedera.Visits = new Class
-({
+Hedera.Visits = new Class({
 	Extends: Hedera.Form
 
-	,activate: function ()
-	{
-		this.$('from').value = new Date ();
-		this.$('to').value = new Date ();
-	}
-	
-	,onRefreshClick: function ()
-	{
-		this.$('visits').refresh ();	
-	}
-	
-	,onSessionsClick: function ()
-	{
-		this.hash.set ({'form': 'admin/connections'});
+	,activate: function() {
+		if (!this.hash.$.to)
+			this.hash.assign({
+				from: new Date(),
+				to: new Date()
+			});
 	}
 });
 
diff --git a/forms/agencies/packages/packages.js b/forms/agencies/packages/packages.js
index b71a13b6..d86d89c6 100644
--- a/forms/agencies/packages/packages.js
+++ b/forms/agencies/packages/packages.js
@@ -1,13 +1,11 @@
 
-Hedera.Packages = new Class
-({
+Hedera.Packages = new Class({
 	Extends: Hedera.Form
 	
-	,onShowClick: function  (column, agencyId)
-	{
-		this.hash.set ({
-			'form': 'agencies/provinces',
-			'agency': agencyId
+	,onShowClick: function(column, agencyId) {
+		this.hash.setAll({
+			form: 'agencies/provinces',
+			agency: agencyId
 		});
 	}
 });
diff --git a/forms/agencies/packages/style.css b/forms/agencies/packages/style.css
index 42b69f97..e69de29b 100644
--- a/forms/agencies/packages/style.css
+++ b/forms/agencies/packages/style.css
@@ -1,9 +0,0 @@
-.packages
-{
-	padding: 1em;
-}
-.packages .box
-{
-	max-width: 40em;
-	margin: 0 auto;
-}
diff --git a/forms/agencies/packages/ui.xml b/forms/agencies/packages/ui.xml
index e41ede06..866bab74 100644
--- a/forms/agencies/packages/ui.xml
+++ b/forms/agencies/packages/ui.xml
@@ -3,7 +3,7 @@
 	<h1><t>ListByAgency</t></h1>
 </div>
 <div id="form" class="packages">
-	<div class="box">
+	<div class="box vn-w-sm">
 		<htk-grid>
 			<db-model property="model">
 				<custom>
@@ -12,7 +12,7 @@
 			</db-model>
 			<htk-column-button
 				column="agency_id"
-				icon="show"
+				icon="search"
 				tip="_ShowByProvince"
 				on-clicked="onShowClick"/>
 			<htk-column-text title="_Agency" column="Agencia"/>
diff --git a/forms/agencies/provinces/provinces.js b/forms/agencies/provinces/provinces.js
index 723fc15c..b441f598 100644
--- a/forms/agencies/provinces/provinces.js
+++ b/forms/agencies/provinces/provinces.js
@@ -1,6 +1,5 @@
 
-Hedera.Provinces = new Class
-({
+Hedera.Provinces = new Class({
 	Extends: Hedera.Form
 });
 
diff --git a/forms/agencies/provinces/style.css b/forms/agencies/provinces/style.css
index cbf4d53f..e69de29b 100644
--- a/forms/agencies/provinces/style.css
+++ b/forms/agencies/provinces/style.css
@@ -1,9 +0,0 @@
-.provinces
-{
-	padding: 1em;
-}
-.provinces .box
-{
-	max-width: 40em;
-	margin: 0 auto;
-}
diff --git a/forms/agencies/provinces/ui.xml b/forms/agencies/provinces/ui.xml
index 5094002a..46fd7c04 100644
--- a/forms/agencies/provinces/ui.xml
+++ b/forms/agencies/provinces/ui.xml
@@ -1,23 +1,12 @@
 <vn>
-<vn-group>
-	<vn-param id="agency"/>
-	<vn-hash-param key="agency" param="agency"/>
-</vn-group>
 <div id="title">
 	<h1><t>ByProvince</t></h1>
 </div>
-<div id="form" class="provinces">
+<div id="form" class="provinces vn-w-sm">
 	<div class="box">
 		<htk-grid>
-			<db-model property="model">
-				<custom>
-					CALL vn2008.desglose_volume (#agency)
-				</custom>
-				<sql-batch property="batch">
-					<custom>
-						<item name="agency" param="agency"/>
-					</custom>
-				</sql-batch>
+			<db-model property="model" lot="hash">
+				CALL vn2008.desglose_volume(#agency)
 			</db-model>
 			<htk-column-text title="_Province" column="Provincia"/>
 			<htk-column-spin title="_Expeditions" column="expediciones"/>
diff --git a/forms/cms/about/style.css b/forms/cms/about/style.css
index 6d7a41eb..5290fa22 100644
--- a/forms/cms/about/style.css
+++ b/forms/cms/about/style.css
@@ -1,15 +1,5 @@
 
-.about
-{
-	padding: 1em;
-}
-.about .cols
-{
-	max-width: 85em;
-	margin: 0 auto;
-}
-@media screen and (min-width: 1000px) /* and (max-width: 1399px) */
-{
+@media screen and (min-width: 1000px) /* and (max-width: 1399px) */ {
 	.about .cols
 	{
 		column-count: 2;
@@ -17,8 +7,7 @@
 		-webkit-column-count: 2;
 	}
 }/*
-@media screen and (min-width: 1400px)
-{
+@media screen and (min-width: 1400px) {
 	.about .cols
 	{
 		column-count: 3;
@@ -26,8 +15,7 @@
 		-webkit-column-count: 3;
 	}
 }
-@media screen and (min-width: 2000px)
-{
+@media screen and (min-width: 2000px) {
 	.about .cols
 	{
 		column-count: 4;
@@ -35,39 +23,33 @@
 		-webkit-column-count: 4;
 	}
 }*/
-.about .box
-{
-	margin-bottom: 1em;
-	padding: 2em;
+.about .box {
+	margin-bottom: 16px;
+	padding: 32px;
 }
-.about h1
-{
+.about h1 {
 	padding: 0;
 	margin: 0;
 	font-weight: normal;
 	font-size: 1.6em;
 }
-.about h2
-{
+.about h2 {
 	text-align: center;
 	font-size: 1.2em;
 	font-weight: normal;
 	margin: 1em;
 }
-.about h3
-{
+.about h3 {
 	text-align: center;
 	font-size: 1.2em;
 	font-weight: normal;
 	padding: 1em;
 	color: #00796B;
 }
-.about p
-{
+.about p {
     margin: 1em 0;
 }
-.about p.summary
-{
+.about p.summary {
 	max-width: 26em;
 	text-align: center;
 	background-color: #FF8;
@@ -79,8 +61,7 @@
 
 /* Images */
 
-.about img
-{
+.about img {
 	max-width: 90%;
 	text-align: center;
 	padding: 1em;
@@ -90,16 +71,13 @@
 .about img[alt="producers"],
 .about img[alt="4_control"],
 .about img[alt="dealer"],
-.about img[alt="goods_transport"]
-{
+.about img[alt="goods_transport"] {
 	float: right;
 }
-.about img[alt="2_control"]
-{
+.about img[alt="2_control"] {
 	float: left;
 }
-.about img[alt="glass"]
-{
+.about img[alt="glass"] {
 	display: inline;
 	padding: 0;
 	padding-left: 0.9em;
diff --git a/forms/cms/about/ui.xml b/forms/cms/about/ui.xml
index 79628032..3dff0745 100644
--- a/forms/cms/about/ui.xml
+++ b/forms/cms/about/ui.xml
@@ -3,7 +3,7 @@
 	<h1><t>About</t></h1>
 </div>
 <div id="form" class="about">
-<div class="cols">
+<div class="cols  vn-w-lg">
 	<div class="box">
 		<h1>
 			<t>QualityAndVariety</t>
diff --git a/forms/cms/contact/contact.js b/forms/cms/contact/contact.js
index 509863ae..6bb9d700 100644
--- a/forms/cms/contact/contact.js
+++ b/forms/cms/contact/contact.js
@@ -1,46 +1,40 @@
 
-Hedera.Contact = new Class
-({
+Hedera.Contact = new Class({
 	Extends: Hedera.Form
 
-	,activate: function ()
-	{
+	,activate: function() {
 		var self = this;
-		this.$('contact-form').onsubmit = function ()
-			{ self._onSubmit (); return false; };
-
-		this.refreshCaptcha ();
-	}
-	
-	,refreshCaptcha: function ()
-	{
-		params = {
-			'srv': 'rest:core/captcha',
-			'stamp': new Date ().getTime ()
+		this.$.contactForm.onsubmit = function() {
+			self._onSubmit(); return false; 
 		};
-		this.$('captcha-img').src = '?'+ Vn.Url.makeUri (params);
-	}
-	
-	,_onSubmit: function ()
-	{
-		this.conn.sendForm (this.$('contact-form'),
-			this._onResponse.bind (this));
-	}
-	
-	,_onResponse: function (json, error)
-	{
-		var form = this.$('contact-form');
 
-		if (json)
-		{
-			form.reset ();
-			Htk.Toast.showMessage (_('DataSentSuccess'));
-		}
-		else
-			Htk.Toast.showError (_('ErrorSendingData'));
+		this.refreshCaptcha();
+	}
+	
+	,refreshCaptcha: function() {
+		params = {
+			srv: 'rest:misc/captcha',
+			stamp: new Date().getTime()
+		};
+		this.$.captchaImg.src = '?'+ Vn.Url.makeUri(params);
+	}
+	
+	,_onSubmit: function() {
+		this.conn.sendForm(this.$.contactForm,
+			this._onResponse.bind(this));
+	}
+	
+	,_onResponse: function(json) {
+		var form = this.$.contactForm;
+
+		if (json) {
+			form.reset();
+			Htk.Toast.showMessage(_('DataSentSuccess'));
+		} else
+			Htk.Toast.showError(_('ErrorSendingData'));
 
 		form['captcha'].value = '';
-		this.refreshCaptcha ();
+		this.refreshCaptcha();
 	}
 });
 
diff --git a/forms/cms/contact/style.css b/forms/cms/contact/style.css
index 98fa547d..a330fa93 100644
--- a/forms/cms/contact/style.css
+++ b/forms/cms/contact/style.css
@@ -1,55 +1,38 @@
 
-.contact
-{
-	padding: 1em;
-}
-.contact .box
-{
-	max-width: 30em;
-	padding: 2em;
-}
-.contact .form
-{
+.contact .form {
 	position: relative;
 	text-align: left;
 	max-width: 25em;
 	margin: 0 auto;
 }
-.contact form
-{
+.contact form {
 	margin: 0 auto;
 }
-.contact form p
-{
+.contact form p {
 	margin: 1em auto;
 	display: block;
 	margin-top: 2em;
 }
-.contact textarea
-{
+.contact textarea {
 	height: 5em;
 }
-.contact button
-{
+.contact button {
 	display: block;
 	margin: 0 auto;
 	margin-top: 1em;
 	padding: 0.6em;
 }
-.contact .mandatory-message
-{
+.contact .mandatory-message {
 	font-size: .9em;
 }
 
 /* Captcha */
 
-.captcha img
-{
+.captcha img {
 	vertical-align: middle;
 	margin-left: 1em;
 }
-.captcha input
-{
+.captcha input {
 	max-width: 8em;
 }
 
diff --git a/forms/cms/contact/ui.xml b/forms/cms/contact/ui.xml
index bcb3afe2..d00840ae 100644
--- a/forms/cms/contact/ui.xml
+++ b/forms/cms/contact/ui.xml
@@ -3,54 +3,47 @@
 	<h1><t>IWantCustomer</t></h1>
 </div>
 <div id="form" class="contact">
-	<div class="box">
-		<div class="form">
-			<p>
-				<t>FillFormData</t>
+	<div class="box form  vn-w-xs vn-pa-lg">
+		<p><t>FillFormData</t></p>
+		<p><t>OrCallUs</t></p>
+		<form id="contact-form">
+			<input type="hidden" name="srv" value="json:misc/contact"/>
+			<div class="form-group">
+				<label><t>Name</t></label>
+				<input type="text" name="name"/>
+			</div>
+			<div class="form-group">
+				<label><t>City</t></label>
+				<input type="text" name="city"/>
+			</div>
+			<div class="form-group">
+				<label><t>PC</t></label>
+				<input type="text" name="pc"/>
+			</div>
+			<div class="form-group">
+				<label><t>Phone</t></label>
+				<input type="text" name="phone"/>
+			</div>
+			<div class="form-group">
+				<label><t>EMail</t></label>
+				<input type="text" name="email"/>
+			</div>
+			<div class="form-group">
+				<label><t>Message</t></label>
+				<textarea name="message"/>
+			</div>
+			<div class="form-group captcha">
+				<label><t>Anti-Spam</t></label>
+				<input type="text" name="captcha"/>
+				<img alt="Captcha" id="captcha-img"/>
+			</div>
+			<p class="mandatory-message">
+				<t>AllFieldsMandatory</t>
 			</p>
-			<p>
-				<t>OrCallUs</t>
-			</p>
-			<form
-				id="contact-form">
-				<input type="hidden" name="srv" value="json:misc/contact"/>
-				<div class="form-group">
-					<label><t>Name</t></label>
-					<input type="text" name="name"/>
-				</div>
-				<div class="form-group">
-					<label><t>City</t></label>
-					<input type="text" name="city"/>
-				</div>
-				<div class="form-group">
-					<label><t>PC</t></label>
-					<input type="text" name="pc"/>
-				</div>
-				<div class="form-group">
-					<label><t>Phone</t></label>
-					<input type="text" name="phone"/>
-				</div>
-				<div class="form-group">
-					<label><t>EMail</t></label>
-					<input type="text" name="email"/>
-				</div>
-				<div class="form-group">
-					<label><t>Message</t></label>
-					<textarea name="message"/>
-				</div>
-				<div class="form-group captcha">
-					<label><t>Anti-Spam</t></label>
-					<input type="text" name="captcha"/>
-					<img alt="Captcha" id="captcha-img"/>
-				</div>
-				<p class="mandatory-message">
-					<t>AllFieldsMandatory</t>
-				</p>
-				<button class="thin">
-					<t>Send</t>
-				</button>
-			</form>
-		</div>
+			<button>
+				<t>Send</t>
+			</button>
+		</form>
 	</div>
 </div>
 </vn>
diff --git a/forms/cms/home/home.js b/forms/cms/home/home.js
index 85750bdc..e29f8765 100644
--- a/forms/cms/home/home.js
+++ b/forms/cms/home/home.js
@@ -1,9 +1,5 @@
 
 Hedera.Home = new Class({
 	Extends: Hedera.Form
-	
-	,onStartOrderClick: function() {
-		this.hash.set({form: 'ecomerce/catalog'});
-	}
 });
 
diff --git a/forms/cms/home/style.css b/forms/cms/home/style.css
index 2294ceea..a38f59a4 100644
--- a/forms/cms/home/style.css
+++ b/forms/cms/home/style.css
@@ -1,70 +1,60 @@
 
+.home {
+	padding: 0 !important;
+}
+
 /* News panel */
 
-.column
-{
+.column {
 	margin: .5em;
 	max-width: 120em;
 }
-.action-bar button.start-order
-{
-	background-color: #EF5350;
-	margin: .7em;
-	padding: .5em;
-	box-shadow: 0 0 0.4em rgba(1, 1, 1, 0.4);
+.action-bar button.start-order {
+	border: 1px solid white;
 }
-.action-bar button.start-order:hover
-{
-	background-color: #F44336;
+.action-bar button.start-order:hover {
+	background-color: white !important;
+	color: black;
 }
 
 /* New */
 
-.new
-{
+.new {
 	text-align: left;
-	background-color: white;
-	color: #222;
-	border: none;
-	border-radius: 0.1em;
-	box-shadow: 0 0.2em 0.2em rgba(1, 1, 1, 0.2);
 	margin: .5em;
 }
-.new img
-{
+.new img {
 	display: block;
 	margin: auto;
 	width: 100%;
 }
-.new .top
-{
+.new .top {
 	padding: 1.5em;
 	padding-bottom: 1px;
 }
-.new h2
-{
+.new h2 {
 	font-size: 1.6em;
 	color: black;
 	font-weight: normal;
 	padding: 0;
 }
-.new-info
-{
+
+.new-info {
 	font-size: 0.9em;
 	color: #444;
 	text-align: right;
-	margin: 0.8em 0;
+	margin: .8em 0;
 }
-.new-text
-{
+.new-text {
 	margin: 1.5em 0;
+	font-family: 'Open Sans';
 }
-.new-text a
-{
-	color: blue;
+.new-text a {
+	color: #6a1;
+}
+.new-text a:hover {
 	text-decoration: underline;
 }
-.new-text li
-{
+.new-text li {
 	margin: 0.4em 0;
-}
+}
\ No newline at end of file
diff --git a/forms/cms/home/ui.xml b/forms/cms/home/ui.xml
index 9bd797ee..ba1600e8 100644
--- a/forms/cms/home/ui.xml
+++ b/forms/cms/home/ui.xml
@@ -5,34 +5,33 @@
 <div id="actions" class="catalog-actions">
 	<htk-bar-button
 		class="start-order"
-		icon="new-order"
+		icon="add_shopping_cart"
 		tip="_Start order"
-		on-click="onStartOrderClick"/>
+		on-click="hash.setAll({form: 'ecomerce/catalog'})"/>
 </div>
 <div id="form" class="home">
 	<div class="column mansonry" id="news-column">
-		<htk-repeater form-id="new">
+		<htk-repeater form-id="iter">
 			<db-model property="model">
 				<custom>
-					SELECT title, text, image, id FROM news
-						WHERE tag != 'course'
+					SELECT title, text, image, id
+						FROM news
 						ORDER BY priority, created DESC
 				</custom>
 			</db-model>
 			<custom>
 				<div class="masonry-box">
-				<div class="new">
+				<div class="new box">
 					<htk-image
 						directory="news"
 						subdir="full"
-						form="new"
-						column="image"
+						value="{{iter.image}}"
 						editable="false"
 						full-dir="full"/>
 					<div class="top">
-						<h2><htk-text form="new" column="title"/></h2>
+						<h2>{{iter.title}}</h2>
 						<div class="new-text">
-							<htk-html form="new" column="text"/>
+							<htk-html value="{{iter.text}}"/>
 						</div>
 					</div>
 				</div>
diff --git a/forms/cms/location/location.js b/forms/cms/location/location.js
index d98bd35b..3a3c26c8 100644
--- a/forms/cms/location/location.js
+++ b/forms/cms/location/location.js
@@ -24,7 +24,7 @@ Hedera.Location = new Class({
 	}
 
 	,onLocationsDone: function(resultSet) {
-		this.locations = resultSet.fetchResult();
+		this.locations = resultSet.fetchData();
 		this.allLoaded();
 	}
 
@@ -44,12 +44,11 @@ Hedera.Location = new Class({
 			,center: new google.maps.LatLng(46.0, 4.0)
 		};
 
-		var div = this.$('form');
+		var div = this.$.form;
 		var gmap = new google.maps.Map(div, options);
 
-		if (this.locations)
-		while (this.locations.next())
-			this.createMarker(this.locations, gmap);
+		for (const location of this.locations)
+			this.createMarker(location, gmap);
 	}
 	
 	,createMarker: function(location, gmap) {
@@ -57,28 +56,28 @@ Hedera.Location = new Class({
 		div.className = 'marker';
 
 		var h = document.createElement('h3');
-		h.appendChild(document.createTextNode(location.get('title')));
+		h.appendChild(document.createTextNode(location.title));
 		div.appendChild(h);
 
 		var p = document.createElement('p');
-		p.appendChild(document.createTextNode(location.get('address')));
+		p.appendChild(document.createTextNode(location.address));
 		div.appendChild(p);
 
 		var p = document.createElement('p');
-		p.appendChild(document.createTextNode(location.get('postcode') +' '+ location.get('city')));
+		p.appendChild(document.createTextNode(location.postcode +' '+ location.city));
 		div.appendChild(p);
 
 		var p = document.createElement('p');
-		p.appendChild(document.createTextNode(location.get('province')));
+		p.appendChild(document.createTextNode(location.province));
 		div.appendChild(p);
 
 		var p = document.createElement('p');
-		p.appendChild(document.createTextNode(location.get('phone')));
+		p.appendChild(document.createTextNode(location.phone));
 		div.appendChild(p);
 		
 		var lat = new google.maps.LatLng(
-			location.get('lat'),
-			location.get('lng')
+			location.lat,
+			location.lng
 		);
 
 		var marker = new google.maps.Marker({
@@ -95,7 +94,7 @@ Hedera.Location = new Class({
 			this.openInfoWindow.bind(this, infoWindow, gmap, marker));
  		
  		if (Vn.Locale.language
-		&& Vn.Locale.language == location.get('language'))
+		&& Vn.Locale.language == location.language)
  			this.openInfoWindow(infoWindow, gmap, marker);
 	}
 	
diff --git a/forms/cms/training/locale/ca.yml b/forms/cms/training/locale/ca.yml
deleted file mode 100644
index 0967ef42..00000000
--- a/forms/cms/training/locale/ca.yml
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/forms/cms/training/locale/en.yml b/forms/cms/training/locale/en.yml
deleted file mode 100644
index 0967ef42..00000000
--- a/forms/cms/training/locale/en.yml
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/forms/cms/training/locale/es.yml b/forms/cms/training/locale/es.yml
deleted file mode 100644
index 0967ef42..00000000
--- a/forms/cms/training/locale/es.yml
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/forms/cms/training/locale/fr.yml b/forms/cms/training/locale/fr.yml
deleted file mode 100644
index 0967ef42..00000000
--- a/forms/cms/training/locale/fr.yml
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/forms/cms/training/locale/pt.yml b/forms/cms/training/locale/pt.yml
deleted file mode 100644
index 0967ef42..00000000
--- a/forms/cms/training/locale/pt.yml
+++ /dev/null
@@ -1 +0,0 @@
-{}
diff --git a/forms/cms/training/style.css b/forms/cms/training/style.css
deleted file mode 100644
index 150a3560..00000000
--- a/forms/cms/training/style.css
+++ /dev/null
@@ -1,59 +0,0 @@
-
-/* News panel */
-
-.column
-{
-	margin: .5em;
-	max-width: 120em;
-}
-
-/* New */
-
-.new
-{
-	text-align: left;
-	background-color: white;
-	color: #222;
-	border: none;
-	border-radius: 0.1em;
-	box-shadow: 0 0.2em 0.2em rgba(1, 1, 1, 0.2);
-	margin: .5em;
-}
-.new img
-{
-	display: block;
-	margin: auto;
-	width: 100%;
-}
-.new .top
-{
-	padding: 1.5em;
-	padding-bottom: 1px;
-}
-.new h2
-{
-	font-size: 1.6em;
-	color: black;
-	font-weight: normal;
-	padding: 0;
-}
-.new-info
-{
-	font-size: 0.9em;
-	color: #444;
-	text-align: right;
-	margin: 0.8em 0;
-}
-.new-text
-{
-	margin: 1.5em 0;
-}
-.new-text a
-{
-	color: blue;
-	text-decoration: underline;
-}
-.new-text li
-{
-	margin: 0.4em 0;
-}
diff --git a/forms/cms/training/training.js b/forms/cms/training/training.js
deleted file mode 100644
index adb059b7..00000000
--- a/forms/cms/training/training.js
+++ /dev/null
@@ -1,5 +0,0 @@
-
-Hedera.Training = new Class
-({
-	Extends: Hedera.Form
-});
diff --git a/forms/cms/training/ui.xml b/forms/cms/training/ui.xml
deleted file mode 100644
index 3fecb4b3..00000000
--- a/forms/cms/training/ui.xml
+++ /dev/null
@@ -1,41 +0,0 @@
-<vn>
-<div id="title">
-	<h1><t>Training</t></h1>
-</div>
-<div id="form" class="training">
-	<div class="column mansonry" id="news-column">
-		<htk-repeater form-id="new">
-			<db-model property="model">
-				<custom>
-					SELECT title, created, text, image, id  FROM news
-						WHERE tag = 'course'
-						ORDER BY priority, created DESC
-				</custom>
-			</db-model>
-			<custom>
-				<div class="masonry-box">
-				<div class="new">
-					<htk-image
-						directory="news"
-						subdir="full"
-						form="new"
-						column="image"
-						editable="false"
-						full-dir="full"/>
-					<div class="top">
-						<h2><htk-text form="new" column="title"/></h2>
-						<p class="new-info">
-							<htk-text format="_%a, %e %b %Y" form="new" column="created"/>
-						</p>
-						<div class="new-text">
-							<htk-html form="new" column="text"/>
-						</div>
-					</div>
-				</div>
-				</div>
-			</custom>
-		</htk-repeater>
-		<div class="clear"/>
-	</div>
-</div>
-</vn>
diff --git a/forms/cms/why/style.css b/forms/cms/why/style.css
index 434da8da..edc70906 100644
--- a/forms/cms/why/style.css
+++ b/forms/cms/why/style.css
@@ -1,27 +1,13 @@
 
-.why
-{
-	padding: 1em;
-}
-.why .box
-{
-	max-width: 40em;
-	margin: 0 auto;
-}
-.why ul
-{
+.why ul {
 	list-style-type: none;
-	padding: 0 1em;
-	padding-bottom: 1em;
-	max-width: 36em;
-	margin: 0 auto;
+	padding: 0;
+	margin-top: 0;
 }
-.why li
-{
-	padding: 0.5em 0;
+.why li {
+	padding-bottom: 16px;
 }
-.why img
-{
+.why img {
 	display: block;
 	margin: 0 auto;
 	max-width: 95%;
diff --git a/forms/cms/why/ui.xml b/forms/cms/why/ui.xml
index 98bb6c9c..822cda36 100644
--- a/forms/cms/why/ui.xml
+++ b/forms/cms/why/ui.xml
@@ -3,20 +3,18 @@
 	<h1><t>AboutCompany</t></h1>
 </div>
 <div id="form" class="why">
-	<div class="box">
-		<div class="body">
-			<ul>
-				<li><t>BecauseOurBigCatalog</t></li>
-				<li><t>BecauseThisWeb</t></li>
-				<li><t>BecauseOurShoppingDep</t></li>
-				<li><t>BecauseOrderIsEasy</t></li>
-				<li><t>BecauseOurPlant</t></li>
-				<li><t>BecauseOurSalesDep</t></li>
-				<li><t>BecauseOurWorkShop</t></li>
-				<li><t>BecauseWeHaveWhatYouNeed</t></li>
-			</ul>
-			<img src="forms/cms/why/store.png" alt="Store photo"/>
-		</div>
+	<div class="box vn-w-sm vn-pa-lg">
+		<ul class="vn-mb-lg">
+			<li><t>BecauseOurBigCatalog</t></li>
+			<li><t>BecauseThisWeb</t></li>
+			<li><t>BecauseOurShoppingDep</t></li>
+			<li><t>BecauseOrderIsEasy</t></li>
+			<li><t>BecauseOurPlant</t></li>
+			<li><t>BecauseOurSalesDep</t></li>
+			<li><t>BecauseOurWorkShop</t></li>
+			<li><t>BecauseWeHaveWhatYouNeed</t></li>
+		</ul>
+		<img src="forms/cms/why/store.png" alt="Store photo"/>
 	</div>
 </div>
 </vn>
diff --git a/forms/ecomerce/basket/basket.js b/forms/ecomerce/basket/basket.js
index 2f1239ac..e967ef52 100644
--- a/forms/ecomerce/basket/basket.js
+++ b/forms/ecomerce/basket/basket.js
@@ -1,58 +1,36 @@
 
-Hedera.Basket = new Class
-({
+Hedera.Basket = new Class({
 	Extends: Hedera.Form
 
-	,open: function ()
-	{
-		this.close ();
+	,open: function() {
+		this.close();
 		this.isOpen = true;
 
-		Hedera.BasketChecker.check (this.conn,
-			this.onBasketCheck.bind (this));
+		Hedera.BasketChecker.check(this.conn, this.hash,
+			this.onBasketCheck.bind(this));
 	}
 	
-	,onBasketCheck: function (isOk)
-	{
+	,onBasketCheck: function(isOk) {
 		if (isOk)
-			this.loadUi ();
+			this.loadUi();
 	}
 	
-	,activate: function ()
-	{	
-		this.$('items').setInfo ('bi', 'myBasketItem', 'hedera');
+	,activate: function() {	
+		this.$.items.setInfo('bi', 'myBasketItem', 'hedera');
 	}
 
-	,onConfigureClick: function ()
-	{
-		Htk.Toast.showWarning (_('RememberReconfiguringImpact'));
-		this.hash.set ({form: 'ecomerce/checkout'});
+	,onConfigureClick: function() {
+		Htk.Toast.showWarning(_('RememberReconfiguringImpact'));
+		this.hash.setAll({form: 'ecomerce/checkout'});
 	}
 
-	,onCatalogClick: function ()
-	{
-		this.hash.set ({form: 'ecomerce/catalog'});
+	,onDeleteClick: function(form) {
+		if (confirm(_('ReallyDelete')))
+			form.deleteRow();
 	}
 
-	,onCheckoutClick: function ()
-	{
-		this.hash.set ({form: 'ecomerce/confirm'});
-	}
-
-	,repeaterFunc: function (res, form)
-	{
-		res.$('subtotal').value = this.subtotal (form);
-	}
-
-	,onDeleteClick: function  (button, form)
-	{
-		if (confirm (_('ReallyDelete')))
-			form.deleteRow ();
-	}
-
-	,subtotal: function (form)
-	{
-		return form.get ('amount') * form.get ('price');
+	,subtotal: function(form) {
+		return form.$.amount * form.$.price;
 	}
 });
 
diff --git a/forms/ecomerce/basket/style.css b/forms/ecomerce/basket/style.css
index 2b0d1889..f49533d6 100644
--- a/forms/ecomerce/basket/style.css
+++ b/forms/ecomerce/basket/style.css
@@ -1,91 +1,65 @@
-.basket
-{
-	padding: 1em;
+
+.basket .head {
+	border-bottom: 1px solid #DDD;
 }
-.basket .box
-{
-	max-width: 30em;
-	margin: 0 auto;
-	padding: 0 2em;
+.basket .head p {
+	font-weight: bold;
+	margin: 0;
+	padding: 0;
+	font-size: 1.4em;
+	text-align: right;
 }
-.basket .form > p
-{
+.basket .form > p {
 	margin: 0;
 	font-size: 1.4em;
 	color: white;
 	text-align: right;
 }
-.basket .head
-{
-	padding: 1.8em 0;
-	margin: 0;
-	border-bottom: 1px solid #DDD;
-}
-.basket .head p
-{
-	margin: 0;
-	padding: 0;
-	font-size: 1.4em;
-	text-align: right;
-}
 
 /* Lines */
 
-.basket .lines
-{
-	padding: .8em 0;
+.basket .line {
+	display: flex;
+	gap: 20px;
+	margin: 24px 0;
+	height: 65px;
 }
-.basket .line
-{
-	padding: 1em 0;
+.basket .line:last-child {
+	margin-bottom: 0;
 }
-.basket .line > .delete
-{
-	margin: -0.5em;
-	margin-top: 1em;
-	margin-right: .5em;
-	float: left;
+.basket .line > .delete {
+	align-self: center;
 }
-.basket .line > .photo
-{
-	margin-right: 1em;
-	float: left;
+.basket .line > .photo {
+	flex: none;
 	border-radius: 50%;
-	height: 4.25em;
-	width: 4.25em;
+	width: 65px;
 }
-.basket .line > .info
-{
-	margin-left: 7.5em;
+.basket .line > .info {
+	flex: 1;
 }
-.basket .line > .info > h2
-{
+.basket .line > .info > h2 {
 	font-size: 1em;
 	font-weight: normal;
 	padding: 0;
 	padding-bottom: .1em;
 }
-.basket .line > .info > p
-{
+.basket .line > .info > p {
 	margin: 0;
 }
-.basket .line > .info > .tags
-{
+.basket .line > .info > .tags {
 	color: #777;
 }
-.basket .line .subtotal
-{
+.basket .line .subtotal {
 	float: right;
 }
 
 /* Fields */
 
-.basket td.available-exceeded input
-{
+.basket td.available-exceeded input {
 	background-color: #FCC;
 }
-.basket .icon > img
-{
+.basket .icon > img {
 	border-radius: 50%;
 }
 
diff --git a/forms/ecomerce/basket/ui.xml b/forms/ecomerce/basket/ui.xml
index 32b66175..8a6d1f0a 100644
--- a/forms/ecomerce/basket/ui.xml
+++ b/forms/ecomerce/basket/ui.xml
@@ -4,21 +4,21 @@
 </div>
 <div id="actions">
 	<htk-bar-button
-		icon="ok"
-		tip="_Checkout"
-		on-click="onCheckoutClick"/>
-	<htk-bar-button
-		icon="view-dual"
-		tip="_Catalog"
-		on-click="onCatalogClick"/>
-	<htk-bar-button
-		icon="preferences"
+		icon="settings"
 		tip="_ConfigureOrder"
-		on-click="onConfigureClick"/>
+		on-click="this.onConfigureClick()"/>
+	<htk-bar-button
+		icon="local_florist"
+		tip="_Catalog"
+		on-click="this.hash.setAll({form: 'ecomerce/catalog'})"/>
+	<htk-bar-button
+		icon="shopping_cart_checkout"
+		tip="_Checkout"
+		on-click="this.hash.setAll({form: 'ecomerce/confirm'})"/>
 </div>
 <div id="form" class="basket">
-	<div class="box">
-		<div class="head">
+	<div class="box vn-w-sm vn-pa-lg">
+		<div class="head vn-pb-lg">
 			<p>
 				<t>Total</t> 
 				<htk-text format="%.2d€">
@@ -27,7 +27,7 @@
 			</p>
 		</div>
 		<div class="lines">
-			<htk-repeater form-id="iter" renderer="repeaterFunc">
+			<htk-repeater form-id="iter">
 				<db-model id="items" property="model" updatable="true">
 					SELECT bi.id, bi.amount, bi.price, i.longName item,
 							i.tag5, i.value5, i.tag6, i.value6, i.tag7, i.value7,
@@ -41,38 +41,29 @@
 				<custom>
 					<div class="line">
 						<htk-button
-							form="iter"
-							column="id"
 							class="delete"
 							tip="_Remove"
 							icon="delete"
-							on-click="onDeleteClick"/>
+							on-click="this.onDeleteClick($iter)"/>
 						<htk-image
-							form="iter"
-							column="image"
+							value="{{iter.image}}"
 							stamp-column="updated"
 							class="photo"
 							directory="catalog"
 							subdir="200x200"
 							full-dir="1600x900"/>
 						<div class="info">
-							<h2>
-								<htk-text form="iter" column="item"/>
-							</h2>
+							<h2>{{iter.item}}</h2>
 							<p class="tags">
-								<htk-text form="iter" column="value5"/> 
-								<htk-text form="iter" column="value6"/> 
-								<htk-text form="iter" column="value7"/>
+								{{iter.value5}} {{iter.value6}} {{iter.value7}}
 							</p>
 							<p class="amount">
-								<htk-text form="iter" column="amount"/> x
-								<htk-text form="iter" column="price" format="%.2d€"/>
+								{{iter.amount}} x {{Vn.Value.format(iter.price, '%.2d€')}}
 								<span class="subtotal">
-									<htk-text id="subtotal" format="%.2d€"/>
+									{{Vn.Value.format(iter.price * iter.amount, '%.2d€')}}
 								</span>
 							</p>
 						</div>
-						<div class="clear"/>
 					</div>
 				</custom>
 			</htk-repeater>
diff --git a/forms/ecomerce/catalog/catalog.js b/forms/ecomerce/catalog/catalog.js
index 373983d1..0f50ea19 100644
--- a/forms/ecomerce/catalog/catalog.js
+++ b/forms/ecomerce/catalog/catalog.js
@@ -8,8 +8,8 @@ Hedera.Catalog = new Class({
 		this.close();
 		this.isOpen = true;
 	
-		if (!localStorage.getItem('hederaGuest')) {		
-			Hedera.BasketChecker.check(this.conn,
+		if (!localStorage.getItem('hederaGuest')) {
+			Hedera.BasketChecker.check(this.conn, this.hash,
 				this.onBasketCheck.bind(this));
 		} else {
 			var query = 'CALL mybasket_configureForGuest';
@@ -23,40 +23,143 @@ Hedera.Catalog = new Class({
 	}
 	
 	,activate: function() {
-		document.body.appendChild(this.$('right-panel'));
-	
-		this.$('items-model').setInfo('i', 'item', 'vn', ['id']);
+		document.body.appendChild(this.$.rightPanel);
+		this.$.items.setInfo('i', 'item', 'vn', ['id']);
 		
 		if (localStorage.getItem('hederaView'))
 			this.setView(parseInt(localStorage.getItem('hederaView')));
 		else
 			this.setView(Hedera.Catalog.View.GRID);
+
+		this.onFilterChange();
 	}
 	
 	,deactivate: function() {
 		this.hideMenu();
-		this.gui.$('top-bar').style.backgroundColor = '';
-		Vn.Node.remove(this.$('right-panel'));
+		this.gui.$.topBar.style.backgroundColor = '';
+		Vn.Node.remove(this.$.rightPanel);
+	}
+
+	,getFilter(params, tags, currentTag) {
+		if (params.search == null && params.type == null)
+			return null;
+
+		const $ = this.$;
+
+		params = Object.assign({}, params);
+		const filter = new Sql.Operation({
+			type: Sql.Operation.Type.AND
+		});
+
+		let idSearch = false;
+		if (params.search != null) {
+			idSearch = /^\d+$/.test(params.search);
+
+			if (!idSearch) {
+				filter.push($.searchOp);
+				params.search = `%${params.search}%`;
+			} else
+				filter.push($.idOp);
+		}
+
+		if (!idSearch) {
+			if (params.realm != null)
+				filter.push($.realmOp);
+			if (params.type != null)
+				filter.push($.typeOp);
+
+			for (const tag of tags)
+			if (tag != currentTag && params[tag] != null)
+				filter.push($[`${tag}Op`]);
+		}
+
+		params.filter = filter;
+		const lot = new Vn.Lot();
+		lot.setAll(params);
+
+		return lot;
+	}
+
+	,onFilterChange: function() {
+		const $ = this.$;
+		const params = $.params.$;
+
+		this.refreshTitle();
+		const hasRealm = params.realm != null;
+		$.filters.style.display = hasRealm ? 'block' : 'none';
+		$.realmMsg.style.display = hasRealm ? 'none' : 'block';
+
+		const tags = [
+			'color',
+			'origin',
+			'category',
+			'producer'
+		];
+
+		const lot = this.getFilter(params, tags);
+		if (lot) {
+			$.items.lot = lot;
+			$.items.refresh();
+		} else
+			$.items.clean();
+
+		for (const tag of tags)
+			$[`${tag}s`].lot = this.getFilter(params, tags, tag);
+
+		if (lot) this.hideMenu();
+	}
+	
+	,refreshTitle: function() {
+		const hash = this.hash.$;
+		const types = this.$.types;
+		const realms = this.$.realms;
+
+		const type = hash.type;
+		const realm = hash.realm;
+		let typeName;
+		let realmName;
+		
+		if (type && types.ready) {
+			var row = types.search('id', type);
+			if (row != -1) typeName = types.get(row, 'name');
+		}
+		if (realm && realms.ready) {
+			var row = realms.search('id', realm);
+			if (row != -1) realmName = realms.get(row, 'name');
+		}
+
+		let title = _('Catalog');
+		let subtitle = '';
+
+		if (typeName) {
+			title = typeName;
+			subtitle = realmName;
+		} else if (realmName) {
+			title = realmName;
+		}
+
+		Vn.Node.setText(this.$.titleText, title);
+		Vn.Node.setText(this.$.subtitle, subtitle);
 	}
 	
 	,setView: function(view) {
 		if (view === Hedera.Catalog.View.GRID) {
-			this.$('view-button').setProperties({
-				icon: 'view-list',
+			this.$.viewButton.setProperties({
+				icon: 'view_list',
 				tip: _('List view')
 			});
 			this.view = Hedera.Catalog.View.GRID;
 			var className = 'grid-view';
 		} else {
-			this.$('view-button').setProperties({
-				icon: 'view-grid',
+			this.$.viewButton.setProperties({
+				icon: 'grid_on',
 				tip: _('Grid view')
 			});
 			this.view = Hedera.Catalog.View.LIST;
 			var className = 'list-view';
 		}
 		
-		var node = this.$('grid-view').node;
+		var node = this.$.gridView.node;
 		node.className = className;
 		localStorage.setItem('hederaView', this.view);
 	}
@@ -66,18 +169,11 @@ Hedera.Catalog = new Class({
 			Hedera.Catalog.View.GRID : Hedera.Catalog.View.LIST);
 	}
 	
-	,onBasketReady: function(form) {
-		if (form.get('method') != 'PICKUP')
-			Vn.Node.setText(this.$('method'), _('Agency'));
-		else
-			Vn.Node.setText(this.$('method'), _('Warehouse'));
-	}
-	
 	,onItemsChange: function(model, status) {
 		if (status !== Db.Model.Status.CLEAN)
-			this.$('order').style.display = 'block';
+			this.$.order.style.display = 'block';
 		else
-			this.$('order').style.display = 'none';
+			this.$.order.style.display = 'none';
 	}
 	
 	,onOrderChange: function(e) {
@@ -87,98 +183,17 @@ Hedera.Catalog = new Class({
 			Db.Model.SortWay.ASC : Db.Model.SortWay.DESC;
 		
 		if (sortField)
-			this.$('items-model').sortByName(sortField, sortWay);
+			this.$.items.sortByName(sortField, sortWay);
 		
 		this.hideMenu();
 	}
 	
-	,onFilterChange: function(param, newValue) {
-		if (newValue)
-			this.hideMenu();
-	}
-	
 	,realmRenderer: function(builder, form) {
-		var link = builder.$('link');
+		var link = builder.$.link;
 		link.href = this.hash.make({
-			'form': this.hash.get('form'),
-			'realm': form.get('id')
+			form: this.hash.$.form,
+			realm: form.$.id
 		});
-		
-		var img = builder.$('image');
-		img.src = 'image/family/light/'+ form.get('code') +'.svg';
-		img.title = form.get('name');
-		img.alt = img.title;
-	}
-	
-	,onRealmChange: function(param, newValue) {
-		if (newValue) {
-			this.$('filters').style.display = 'block';
-			this.$('realm-msg').style.display = 'none';
-		} else {
-			this.$('filters').style.display = 'none';
-			this.$('realm-msg').style.display = 'block';
-		}
-	
-		this.refreshTitleColor();
-		this.refreshFilter(newValue, undefined);
-	}
-
-	,onTypeChange: function(param, newValue) {
-		this.onFilterChange(param, newValue);
-		this.refreshTitle();
-		this.refreshFilter(undefined, newValue);
-	}
-	
-	,refreshFilter: function(realm, type) {
-		var batch = this.$('filter-batch');
-		batch.block();
-		this.$('realm-value').value = realm;
-		this.$('type-value').value = type;
-		this.$('search').value = undefined;
-		this.$('color').value = undefined;
-		this.$('origin').value = undefined;
-		this.$('category').value = undefined;
-		this.$('producer').value = undefined;
-		batch.unblock();
-		batch.changed();
-	}
-	
-	,refreshTitleColor: function() {
-		var realms = this.$('realms-model');
-
-		if (!realms.ready)
-			return;
-
-		var color = null;
-		var realm = this.$('realm').value;
-		
-		if (realm) {
-			var row = realms.search('id', realm);
-
-			if (row != -1)
-				color = '#'+ realms.get(row, 'color');
-		}
-
-		this.gui.$('top-bar').style.backgroundColor = color;
-	}
-	
-	,refreshTitle: function() {
-		var types = this.$('types-model');
-		
-		if (!types.ready)
-			return;
-		
-		var title = _('Catalog');
-		var type = this.$('type').value;
-		
-		if (type) {
-			var row = types.search('id', type);
-
-			if (row != -1)
-				title = types.get(row, 'name');
-		}
-
-		Vn.Node.setText(this.$('title-text'), title);
 	}
 
 	,onRightPanelClick: function(event) {
@@ -189,7 +204,7 @@ Hedera.Catalog = new Class({
 		this._menuShown = true;
 		event.stopPropagation();
 		this.gui.showBackground();
-		Vn.Node.addClass(this.$('right-panel'), 'show');
+		Vn.Node.addClass(this.$.rightPanel, 'show');
 		this.hideMenuCallback = this.hideMenu.bind(this);
 		document.addEventListener('click', this.hideMenuCallback);
 	}
@@ -199,7 +214,7 @@ Hedera.Catalog = new Class({
 			return;
 
 		this.gui.hideBackground();
-		Vn.Node.removeClass(this.$('right-panel'), 'show');
+		Vn.Node.removeClass(this.$.rightPanel, 'show');
 		document.removeEventListener('click', this.hideMenuCallback);
 		this.hideMenuCallback = null;
 	}
@@ -217,34 +232,29 @@ Hedera.Catalog = new Class({
 		if (this.isGuest())
 			return;
 
-		this.hash.set({'form': 'ecomerce/basket'});
+		this.hash.setAll({form: 'ecomerce/basket'});
 	}
 	
 	,onConfigureClick: function() {
 		if (this.isGuest())
 			return;
 
-		this.hash.set({'form': 'ecomerce/checkout'});
+		this.hash.setAll({form: 'ecomerce/checkout'});
 	}
 
-	,repeaterFunc: function(res, form) {
-		res.$('item-box').addEventListener('click',
-			this.onAddItemClick.bind(this, form));
-	}
-
-	,onAddItemClick: function(form, event) {
+	,onAddItemClick: function(event, form) {
 		if (event.defaultPrevented) return;
 		event.preventDefault();
 		if (this.isGuest()) return;
 
 		this.onEraseClick();
-		this.$('card').row = form.row;
-		this.$('card-item').value = form.get('id');
-		this.$('card-popup').show(event.currentTarget);
+		this.$.$card.row = form.row;
+		this.$.cardLot.assign({item: form.$.id});
+		this.$.cardPopup.show(event.currentTarget);
 	}
 	
 	,onAddLotClick: function(column, value, row) {
-		var model = this.$('item-lots');
+		var model = this.$.itemLots;
 		var grouping = model.get(row, 'grouping');
 		var warehouse = model.get(row, 'warehouseFk');
 		var available = model.get(row, 'available');
@@ -261,14 +271,13 @@ Hedera.Catalog = new Class({
 				newAmount = available;
 		
 			this.items[warehouse] = newAmount;
-			this.$('amount').value += newAmount - lotAmount;
+			this.$.amount.value += newAmount - lotAmount;
 		} else
 			Htk.Toast.showError(_('NoMoreAmountAvailable'));
 	}
 	
 	,onConfirmClick: function() {
 		var sql = '';
-		var batch = new Sql.Batch();
 		var query = new Sql.String({query: 'CALL myBasket_addItem(#warehouse, #item, #amount);'});
 		var amountSum = 0;
 
@@ -276,36 +285,38 @@ Hedera.Catalog = new Class({
 			var amount = this.items[warehouse];
 			amountSum += amount;
 		
-			batch.addValue('warehouse', warehouse);
-			batch.addValue('item', this.$('card-item').value);
-			batch.addValue('amount', amount);
-			sql += query.render(batch);
+			const params = {
+				warehouse: warehouse,
+				item: this.$.cardLot.$.item,
+				amount: amount
+			}
+			sql += query.render(params);
 		}
 	
 		if (amountSum > 0) {
 			this.conn.execQuery(sql);
 
-			var itemName = this.$('card').get('item');
+			var itemName = this.$.$card.get('item');
 			Htk.Toast.showMessage(
-				sprintf(_('Added%dOf%s'), amountSum, itemName));
+				Vn.Value.sprintf(_('Added%dOf%s'), amountSum, itemName));
 		}
 
-		this.$('card-popup').hide();
+		this.$.cardPopup.hide();
 	}
 	
 	,onEraseClick: function() {
-		this.$('amount').value = 0;
+		this.$.amount.value = 0;
 		this.items = {};
 	}
 	
 	,onPopupClose: function() {
 		this.onEraseClick();
-		this.$('card').row = -1;
-		this.$('card-item').value = undefined;
+		this.$.$card.row = -1;
+		this.$.cardLot.value = undefined;
 	}
 	
 	,onCardLoad: function() {
-		this.$('card-popup').reset();
+		this.$.cardPopup.reset();
 	}
 });
 
@@ -315,161 +326,3 @@ Hedera.Catalog.extend({
 		GRID: 1
 	}
 });
-
-Vn.Filter = new Class({
-	Extends: Htk.Field
-	,Tag: 'vn-filter'
-	,Child: 'model'
-	,Properties:
-	{
-		model:
-		{
-			type: Db.Model
-			,set: function(x) {
-				x.batch = this._batch;
-				this._model = x;
-				this._select.model = x;
-			}
-			,get: function() {
-				return this._model;
-			}
-		},
-		placeholder:
-		{
-			type: String
-			,set: function(x) {
-				this._select.placeholder = x;
-				this._placeholder = x;
-			}
-			,get: function() {
-				return this._placeholder;
-			}
-		},
-		filter:
-		{
-			type: Sql.Filter
-			,set: function(x) {
-				this._filter = x;
-				this._batch.addObject('filter', x);
-			}
-			,get: function() {
-				return this._filter;
-			}
-		},
-	}
-	
-	,_valueColumnIndex: 0
-	,_showColumnIndex: 1
-	
-	,initialize: function(props) {
-		var node = this.createRoot('div');
-		node.className = 'vn-filter';
-		
-		this._select = new Htk.Select();
-		this._select.on('mousedown', this._onMouseDown, this);
-		this._select.on('changed', this._onChange, this);
-		this._select.on('ready', this._onReady, this);
-		this.node.appendChild(this._select.node);
-		
-		this._ul = this.createElement('ul');
-		this.node.appendChild(this._ul);
-		
-		this._batch = new Sql.Batch();
-		this.parent(props);
-	}
-	
-	,_onMouseDown: function() {
-		if (this._model && this._model.status === Db.Model.Status.CLEAN)
-			this._model.refresh();
-	}
-	
-	,_onCloseClick: function() {
-		this._removeSelectionNode();
-		this._changeValue(undefined);
-	}
-	
-	,_removeSelectionNode: function() {
-		if (this._lastLi) {
-			Vn.Node.remove(this._lastLi);
-			this._lastLi = null;
-			this._label = null;
-		}		
-	}
-	
-	,_onChange: function() {
-		if (this._select.value === null
-		|| this._select.value === undefined)
-			return;
-			
-		this._realSetValue(this._select.value);
-	}
-	
-	,_onReady: function() {
-		if (this._emptyLabel)
-			this._refreshLabel();
-	}
-	
-	,_changeValue: function(newValue) {
-		this._batch.block();
-		this.value = newValue;
-		this._batch.unblock();
-	}
-	
-	,_onTimeout: function() {
-		this._select.value = null;
-	}
-	
-	,putValue: function(value) {
-		this._onMouseDown();
-		this._realSetValue(value);
-	}
-		
-	,_realSetValue: function(value) {
-		this._removeSelectionNode();
-
-		if (value === null || value === undefined)
-			return;
-
-		var li = this._lastLi = this.createElement('li');
-		this._ul.appendChild(li);
-			
-		var button = this.createElement('button');
-		button.addEventListener('click',
-			this._onCloseClick.bind(this, li));
-		li.appendChild(button);
-		
-		var icon = new Htk.Icon({
-			icon: 'close',
-			alt: _('Close')
-		});
-		button.appendChild(icon.node);
-
-		var text = this._label = this.createTextNode('');
-		li.appendChild(text);
-		
-		setTimeout(this._onTimeout.bind(this));
-
-		this._changeValue(value);
-		this._refreshLabel();
-	}
-	
-	,_refreshLabel: function() {
-		if (!this._label)
-			return;
-	
-		var row = -1;
-
-		if (this._model.ready)
-			row = this._model.searchByIndex(this._valueColumnIndex, this._value);
-
-		if (row != -1) {
-			var label = this._model.getByIndex(row, this._showColumnIndex);
-			this._label.nodeValue = label;
-			this._emptyLabel = false;
-		} else {
-			this._emptyLabel = true;
-			this._label.nodeValue = _('Loading...');
-		}
-	}
-});
-
diff --git a/forms/ecomerce/catalog/locale/ca.yml b/forms/ecomerce/catalog/locale/ca.yml
index e57c6f2e..31ee9147 100644
--- a/forms/ecomerce/catalog/locale/ca.yml
+++ b/forms/ecomerce/catalog/locale/ca.yml
@@ -2,7 +2,7 @@ Catalog: Catàleg
 SearchResults: Resultats de cerca
 SelectFamily: Selecciona una família
 Choose filter from right menu: Tria un filtre en el menú de la dreta
-Choose a realm: Tria un regne
+Choose a realm: Tria un categoria
 ArticleNotFound: Artcle no trobat
 ArticleNotAvailable: Article no disponible
 List view: Vista de lista
@@ -15,7 +15,7 @@ Warehouse: Magatzem
 Filter by: Filtrar per
 Order by: Ordenar per
 Search: Cercar
-Change: Cambiar
+Modify: Modificar
 Size: Mida
 Realm: Regne
 Family: Família
@@ -35,6 +35,7 @@ Lower size: Mida més petita
 Higher size: Mida més gran
 '%.0d Units': '%.0d Unitats'
 for: per
+Zoom image: Ampliar imatge
 AddToBasket: Afegir article
 Add: Afegir
 Erase: Esborrar
diff --git a/forms/ecomerce/catalog/locale/en.yml b/forms/ecomerce/catalog/locale/en.yml
index 93ca9434..6940d979 100644
--- a/forms/ecomerce/catalog/locale/en.yml
+++ b/forms/ecomerce/catalog/locale/en.yml
@@ -2,7 +2,7 @@ Catalog: Catalog
 SearchResults: Search results
 SelectFamily: Select family
 Choose filter from right menu: Choose a filter from the right menu
-Choose a realm: Choose a realm
+Choose a realm: Choose a category
 ArticleNotFound: Item not found
 ArticleNotAvailable: Item not available
 List view: List view
@@ -15,7 +15,7 @@ Warehouse: Warehouse
 Filter by: Filter by
 Order by: Order by
 Search: Search
-Change: Change
+Modify: Modify
 Size: Size
 Realm: Realm
 Family: Family
@@ -35,6 +35,7 @@ Lower size: Lower size
 Higher size: Higher size
 '%.0d Units': '%.0d Units'
 for: for
+Zoom image: Zoom image
 AddToBasket: Add to basket
 Add: Add
 Erase: Remove
diff --git a/forms/ecomerce/catalog/locale/es.yml b/forms/ecomerce/catalog/locale/es.yml
index 6af7891a..776ef9ba 100644
--- a/forms/ecomerce/catalog/locale/es.yml
+++ b/forms/ecomerce/catalog/locale/es.yml
@@ -2,7 +2,7 @@ Catalog: Catálogo
 SearchResults: Resultados de búsqueda
 SelectFamily: Selecciona una familia
 Choose filter from right menu: Elige un filtro en el menú de la derecha
-Choose a realm: Elige un reino
+Choose a realm: Elige una categoría
 ArticleNotFound: Artículo no encontrado
 ArticleNotAvailable: Artículo no disponible
 List view: Vista de lista
@@ -15,7 +15,7 @@ Warehouse: Almacén
 Filter by: Filtrar por
 Order by: Ordenar por
 Search: Buscar
-Change: Cambiar
+Modify: Modificar
 Size: Medida
 Realm: Reino
 Family: Familia
@@ -35,6 +35,7 @@ Higher size: Medida más grande
 Relevancy: Relevancia
 '%.0d Units': '%.0d Unidades'
 for: por
+Zoom image: Ampliar imagen
 AddToBasket: Añadir artículo
 Add: Añadir
 Erase: Borrar
diff --git a/forms/ecomerce/catalog/locale/fr.yml b/forms/ecomerce/catalog/locale/fr.yml
index 1aa1ae19..bd6266b7 100644
--- a/forms/ecomerce/catalog/locale/fr.yml
+++ b/forms/ecomerce/catalog/locale/fr.yml
@@ -2,7 +2,7 @@ Catalog: Catalogue
 SearchResults: Résultats de la recherche
 SelectFamily: Choisissez une famille
 Choose filter from right menu: Choisissez un filtre dans le menu de droite
-Choose a realm: Choisissez un royaume
+Choose a realm: Choisissez une catégorie
 ArticleNotFound: Article non trouvé
 ArticleNotAvailable: Article non disponible
 List view: Liste voir
@@ -15,7 +15,7 @@ Warehouse: Entrepôt
 Filter by: Filtrer par
 Order by: Trier par
 Search: Recherche
-Change: Modifier
+Modify: Modifier
 Size: Mesure
 Realm: Famille
 Family: Sous-genre
@@ -35,6 +35,7 @@ Lower size: Taille le plus bas
 Higher size: Taille le plus élevé
 '%.0d Units': '%.0d Unités'
 for: pour
+Zoom image: Agrandir l'image
 AddToBasket: Ajouter article
 Add: Ajouter
 Erase: Effacer
diff --git a/forms/ecomerce/catalog/locale/pt.yml b/forms/ecomerce/catalog/locale/pt.yml
index 982b3fef..9ade502e 100644
--- a/forms/ecomerce/catalog/locale/pt.yml
+++ b/forms/ecomerce/catalog/locale/pt.yml
@@ -2,7 +2,7 @@ Catalog: Catálogo
 SearchResults: Resultados de busca
 SelectFamily: Seleccione uma família
 Choose filter from right menu: Escolha um filtro no menú da direita
-Choose a realm: Escolha um reino
+Choose a realm: Escolha uma categoria
 ArticleNotFound: Ítem não encontrado
 ArticleNotAvailable: Ítem não disponível
 List view: Ver como lista
@@ -15,7 +15,7 @@ Warehouse: Armazém
 Filter by: Filtrar por
 Order by: Ordenar por
 Search: Buscar
-Change: Modificar
+Modify: Modificar
 Size: Medida
 Realm: Reino
 Family: Família
@@ -35,6 +35,7 @@ Lower size: Tamanho menor
 Higher size: Tamanho maior
 '%.0d Units': '%.0d Unidades'
 por: para
+Zoom image: Mais zoom
 AddToBasket: Adicionar à Cesta
 Add: Adicionar
 Erase: Eliminar
diff --git a/forms/ecomerce/catalog/style.css b/forms/ecomerce/catalog/style.css
index 7d8a8b6d..31aa4498 100644
--- a/forms/ecomerce/catalog/style.css
+++ b/forms/ecomerce/catalog/style.css
@@ -1,180 +1,131 @@
-.catalog
-{
-	margin-right: 17em;
+.catalog {
+	margin-right: 18em;
 }
-
-/* Topbar */
-
-.catalog-actions > .htk-search-entry
-{
-	margin-top: .8em;
-	margin-right: .4em;
-}
-
-/* Right panel */
-
-.right-panel
-{
-	position: fixed;
-	top: 3.9em;
-	bottom: 0;
-	right: 0;
-	width: 17em;
-	background-color: white;
-	box-shadow: 0 0 .2em rgba(1, 1, 1, .2);
-	overflow: auto;
-}
-.right-panel .basket-info
-{
-	background-color: #00ACC1;
-	color: white;
-	box-shadow: 0 .1em .1em rgba(1, 1, 1, .3);
-	padding: 1.2em 2em;
-}
-.right-panel .basket-info > button
-{
-	color: #E0F2F1;
-	margin: 0 auto;
-	display: block;
-	margin-top: .4em;
-}
-.right-panel .basket-info > p
-{
-	margin: 0;
-	padding: .4em 0;
-	font-size: 1.1em;
-	text-align: left;
+.title ._subtitle {
+	font-size: .7rem;
+	color: #bbb;
 	text-overflow: ellipsis;
 	white-space: nowrap;
 	overflow: hidden;
 }
-.right-panel .filter
-{
-	padding: 1em;
+
+/* Right panel */
+
+.right-panel {
+	position: fixed;
+	top: 4.4em;
+	bottom: 0;
+	right: 0;
+	width: 18em;
+	overflow: auto;
+	background-color: #fafafa;
+}
+.right-panel .basket-info {
+	background-color: #8cc63f;
+	color: white;
+	padding: 1.2em 2em;
+	border-radius: .5em;
+	margin: 1em;
+	text-align: center;
+}
+.right-panel .basket-info > button {
+	color: white;
+	background-color: rgba(0, 0, 0, .1);
+	margin: 0 auto;
+	display: block;
+	margin-top: 10px;
+	padding: 10px 15px;
+}
+.right-panel .basket-info > button:hover {
+	background-color: white;
+	color: #60872c;
+}
+.right-panel .basket-info > p {
+	margin: 0;
+	padding: .4em 0;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	overflow: hidden;
+}
+.right-panel .filter {
+	margin: 1em;
+}
+.right-panel .categories,
+.right-panel .filters,
+.right-panel .order {
+	margin: 1.5em 0;
 }
 .right-panel .filters,
-.right-panel .order
-{
+.right-panel .order {
 	display: none;
 }
-.right-panel .realm-msg
-{
+.right-panel .realm-msg {
 	margin-top: 1em;
 }
-.right-panel .realm-msg > h1
-{
+.right-panel .realm-msg > h5 {
 	font-weight: normal;
 	text-align: center;
 	padding: 2.5em 0;
 	color: #777;
 }
-.right-panel h2
-{
+.right-panel h2 {
 	font-weight: normal;
-	padding: .4em 0;
 	color: #777;
 	font-size: 1.1em;
 }
-.right-panel .realms > div > div
-{
+.right-panel .realms > div > div {
 	text-align: center;
 }
-.right-panel .realms a
-{
+.right-panel .realms a {
 	display: inline-block;
-	width: 30%;
+	width: 25%;
 	padding: .6em;
 	box-sizing: border-box;
+	border-radius: 50%;
 }
-.right-panel .realms a:hover
-{
+.right-panel .realms a:hover {
 	background-color: rgba(1, 1, 1, .05);
-	border-radius: .15em;
 }
-.right-panel .realms a > img
-{
+.right-panel .realms a > img {
 	display: block;
 	padding: 0;
 	width: 100%;
 }
-.right-panel .vn-filter,
-.right-panel select
-{
-	margin: 0 auto;
-	margin-bottom: .7em;
-	width: 90%;
-	display: block;
-}
-.vn-filter > ul
-{
-	margin: 0;
-	list-style-type: none;
-	text-align: left;
-	color: #666;
-	padding-left: .8em;
-}
-.vn-filter li
-{
-	margin: 0;
-	margin-top: .3em;
-	line-height: 2em;
-	max-width: 90%;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-	overflow: hidden;
-}
-.vn-filter li > button
-{
-	vertical-align: middle;
-	text-align: center;
-	padding: .2em;
-	margin: 0;
-	margin-right: .2em;
-}
-.right-panel .filters > button
-{
-	display: block;
-	margin: 0 auto;
+.right-panel .filters > button {
 	margin-top: 1em;
 }
 
 /* Items */
 
-.item-box
-{
-	transition: background-color 200ms ease-in;
+.item-box {
+	display: flex;
+	box-sizing: border-box;
 }
-.item-box:hover
-{
-	cursor: pointer;
-	background-color: #eee;
+.item-box > .htk-image {
+	flex: none;
 }
-.item-info
-{
+.item-box > .item-info {
+	flex: auto;
 	position: relative;
 }
-.item-info .second-category
-{
+.item-info .second-category {
 	font-weight: bold;
 	color: orange;
 }
-.item-info .third-category
-{
+.item-info .third-category {
 	font-weight: bold;
 	color: red;
 }
-.item-info > h2
-{
+.item-info > h2 {
 	padding: 0;
 	margin-bottom: .15em;
 	font-weight: normal;
 	font-size: 1em;
 	text-overflow: ellipsis;
 	overflow: hidden;
-	max-height: 3.8em;
+	max-height: 3em;
 }
-.item-info > p
-{
+.item-info > p {
 	margin: 0;
 	padding: 0;
 	color: #777;
@@ -183,24 +134,29 @@
 	white-space: nowrap;
 	overflow: hidden;
 }
-.item-info .sub-name
-{
+.item-info .sub-name {
 	text-transform: uppercase;
 	padding: 0;
 	margin-bottom: .2em;
 	font-size: .9em;
 }
-.item-info > .htk-button
-{
+.item-info > .htk-button {
 	margin: -0.3em;
 	padding: .3em;
 }
-.item-info > .htk-button > img
-{
+.item-info > .htk-button > img {
 	vertical-align: middle;
 }
-.item-info .available-price
-{
+.item-info .item-id {
+	float: right;
+	font-size: .8rem;
+	line-height: 1.8em;
+	color: #777;
+}
+.item-info .available-price {
+	position: absolute;
+	bottom: 0;
+	right: 0;
 	white-space: nowrap;
 	font-size: .95em;
 	text-align: right;
@@ -208,32 +164,27 @@
 	column-gap: .2em;
 	display: flex;
 }
-.item-info .available-price > *
-{
+.item-info .available-price > * {
 	border-radius: .2em;
-	padding: .3em;
+	padding: .1em .3em;
 	border: .1em transparent solid;
-	background-color: white;
+	box-sizing: border-box;
 }
-.item-info .grouping
-{
-	width: 2em;
+.item-info .grouping {
+	width: 38px;
 	background-color: #ddd;
 }
-.item-info .available
-{
-	width: 3.3em;
+.item-info .available {
+	width: 65px;
 	border-color: #bbb;
 	color: #777;
 }
-.item-info .price
-{
-	width: 4em;
+.item-info .price {
+	width: 75px;
 	border-color: #9cbc28;
 	color: #748c1e;
 }
-.tags
-{
+.tags {
 	font-size: .8em;
 	display: table;
 	color: #333;
@@ -246,129 +197,38 @@
 	padding-right: .5em;
 }
 
-/* List view */
-
-.list-view
-{
-	max-width: 30em;
-	margin: 0 auto;
-	padding: 1em;
-}
-.list-view .item-box
-{
-	display: block;
-	position: relative;
-	width: 100%;
-	margin: 0;
-	height: 5.5em;
-	overflow: visible;
-	border-bottom: 1px solid #DDD;
-}
-.list-view .item-box > .htk-image
-{
-	margin: 1em;
-	width: 3.5em;
-	height: 3.5em;
-	float: left;
-	overflow: hidden;
-}
-.list-view .item-box > .htk-image > img
-{
-	border-radius: 50%;
-}
-.list-view .item-info
-{
-	position: absolute;
-	left: 5.5em;
-	right: 0;
-	top: 0;
-	bottom: 0;
-	margin: .8em;
-	margin-left: 0;
-}
-.list-view .item-info > h2
-{
-	font-size: 1em;
-	white-space: nowrap;
-}
-.list-view .item-info > .color
-{
-	display: none;
-}
-.list-view .item-info > .htk-button
-{
-	float: right;
-}
-.list-view .item-info .available-price
-{
-	clear: both;
-	float: right;
-	position:absolute;
-	bottom: 0;
-	right: 0;
-}
-.list-view .item-info .tags
-{
-	display: block;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-	overflow: hidden;
-}
-.list-view .item-info .tags > tr
-{
-	display: inline-block;
-}
-.list-view .item-info .tags td
-{
-	display: inline-block;
-	padding-right: .5em;
-}
-.list-view .item-info .tags td:first-child
-{
-	display: none;
-}
-
 /* Grid view */
 
-.grid-view
-{
-	padding: 1em;
-	padding-right: .2em;
-	padding-bottom: .4em;
-	text-align: center;
+.grid-view > * {
+	display: flex;
+	gap: 16px;
+	flex-wrap: wrap;
+	justify-content: center;
 }
-.grid-view .item-box
-{
-	text-align: left;
-	position: relative;
-	display: inline-block;
-	width: 24em;
-	margin: 0;
-	margin-right: .8em;
-	margin-bottom: .6em;
-	height: 11em;
+.grid-view .item-box {
+	border-radius: .6em;
+	box-shadow: .05em .05em .2em rgba(0, 0, 0, .1);
+	overflow: hidden;
+	background-color: white;
+
+	flex-direction: column;
+	width: 260px;
+	height: 425px;
 	overflow: hidden;
 }
-.grid-view .item-box > .htk-image
-{
-	width: 11em;
-	height: 100%;
-	float: left;
+.grid-view .item-box:hover {
+	background-color: #efefef;
 }
-.grid-view .item-info
-{
-	position: absolute;
-	left: 11.4em;
-	right: 0;
-	top: 0;
-	bottom: 0;
-	margin: .6em;
+.grid-view .item-info {
+	margin: 10px;
 }
-.grid-view .item-info .available-price
-{
-	position: absolute;
-	bottom: 0;
-	right: 0;
+.grid-view .item-box > .htk-image {
+	width: 260px;
+	height: 260px;
+}
+.grid-view .item-box > .item-info {
+	flex: auto;
+	overflow: hidden;
 }
 .grid-view .item-info .tags td {
 	overflow: hidden;
@@ -379,109 +239,138 @@
 	line-height: 1.1em;
 }
 
+/* List view */
+
+.list-view {
+	border-radius: .6em;
+	box-shadow: .05em .05em .2em rgba(0, 0, 0, .1);
+	overflow: hidden;
+	background-color: white;
+
+	max-width: 544px;
+	margin: 0 auto;
+}
+.list-view .item-box {
+	gap: 10px;
+	margin: 0;
+	padding: 10px;
+	height: 130px;
+	overflow: visible;
+	border-bottom: 1px solid #DDD;
+}
+.list-view .item-box:last-child {
+	border-bottom: none;
+}
+.list-view .item-box > .htk-image {
+	width: 110px;
+	height: 110px;
+	border-radius: 50%;
+}
+.list-view .item-info {
+	overflow: hidden;
+}
+.list-view .item-info > h2 {
+	font-size: 1rem;
+	white-space: nowrap;
+}
+.list-view .item-info > .color {
+	display: none;
+}
+.list-view .item-info > .htk-button {
+	float: right;
+}
+.list-view .item-info .tags {
+	display: block;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	overflow: hidden;
+}
+.list-view .item-info .tags > tr {
+	display: inline-block;
+}
+.list-view .item-info .tags td {
+	display: inline-block;
+	padding-right: .5em;
+}
+.list-view .item-info .tags td:first-child {
+	display: none;
+}
+
 /* Card */
 
-.card-popup
-{
+.card-popup {
 	overflow: auto;
 }
-.item-card
-{
+.item-card {
 	font-size: .9em;
 	width: 20em;
 }
-.item-card .top
-{
+.item-card .top {
 	padding: 1em;
 }
-.item-card .item-info
-{
+.item-card .item-info {
 	margin-left: 9em;
 	height: 8em;
 }
-.item-card .htk-image
-{
+.item-card .htk-image {
 	height: 8em;
 	width: 8em;
 	float: left;
 	border-radius: .3em;
 }
-.item-card .desc
-{
+.item-card .desc {
 	clear: both;
 	margin-top: 1em 0;
 	font-size: .9em;
 }
-.item-card .lots-grid
-{
+.item-card .lots-grid {
 	border-top: 1px solid #DDD;
 }
-.item-card .lots-grid tr
-{
+.item-card .lots-grid tr {
 	height: 3em;
 }
-.item-card .lots-grid .cell-spin
-{
+.item-card .lots-grid .cell-spin {
 	max-width: initial;
 	width: 3em;
 }
-.item-card .lots-grid .price-kg
-{
+.item-card .lots-grid .price-kg {
 	font-size: .8em;
 	color: #999;
 	width: 1px;
 }
-.item-card .lots-grid .cell-text
-{
+.item-card .lots-grid .cell-text {
 	max-width: initial;
 	width: auto;
 }
-.item-card .lots-grid .cell-button
-{
+.item-card .lots-grid .cell-button {
 	max-width: initial;
 	width: 1em;
 }
-.item-card .footer
-{
-	text-align: center;
-	background-color: #009688;
+.item-card .footer {
+	display: flex;
+	align-items: center;
+	justify-content: space-between;
+	background-color: #1a1a1a;
 	color: white;
-	line-height: 2em;
-	padding: .4em;
+	padding: 10px;
 }
-.item-card .footer > button
-{
-	margin: 0;
+.item-card .footer > button:hover {
+	background-color: rgba(255, 255, 255, .1);
 }
-.item-card .erase
-{
-	float: left;
-}
-.item-card .confirm
-{
-	float: right;
-}
-.item-card .erase > img,
-.item-card .confirm > img
-{
+.item-card .footer > button > .htk-icon {
 	display: block;
-	height: 1em;
 }
 
 /* Mobile */
 
-.catalog-actions > button.menu
-{
+.catalog-actions > button.menu {
 	display: none;
-	padding: 1.1em .5em;
 }
-.catalog-actions > button.menu > img
-{
-	height: 1.8em;
+.catalog-actions > button.menu > .htk-icon {
+	display: block;
 }
 
-@media (max-width: 960px)
-{
+@media (max-width: 960px) {
 	.catalog-actions > button.menu
 	{
 		display: block;
@@ -489,15 +378,15 @@
 	.right-panel
 	{
 		top: 0;
-		right: -17em;
+		right: -18em;
 		z-index: 20;
 		transition: transform 200ms ease-out;
 		-webkit-transition: transform 200ms ease-out;
 	}
 	.right-panel.show
 	{
-		transform: translateZ(0) translateX(-17em);
-		-webkit-transform: translateZ(0) translateX(-17em);
+		transform: translateZ(0) translateX(-18em);
+		-webkit-transform: translateZ(0) translateX(-18em);
 	}
 	.catalog
 	{
diff --git a/forms/ecomerce/catalog/ui.xml b/forms/ecomerce/catalog/ui.xml
index 9aa91d6b..5a33f867 100644
--- a/forms/ecomerce/catalog/ui.xml
+++ b/forms/ecomerce/catalog/ui.xml
@@ -1,46 +1,93 @@
 <vn>
+<div id="title">
+	<h1 id="title-text"><t>Catalog</t></h1>
+	<div id="subtitle"></div>
+</div>
+<div id="actions" class="catalog-actions">
+	<htk-search-entry form="params" column="search"/>
+	<htk-bar-button
+		id="view-button"
+		tip="_Switch view"
+		icon="view_list"
+		on-click="this.onSwitchViewClick()"/>
+	<htk-bar-button
+		icon="shopping_cart_checkout"
+		tip="_ShoppingBasket"
+		on-click="this.onBasketClick()"/>
+	<button
+		class="menu"
+		on-click="onShowMenuClick">
+		<htk-icon name="menu" alt="_Menu"/>
+	</button>
+</div>
 <vn-group>
-	<vn-param id="card-item"/>
-	<vn-param id="realm" on-changed="onRealmChange"/>
-	<vn-param id="type" on-changed="onTypeChange"/>
-	<vn-param id="search" on-changed="onFilterChange"/>
-	<vn-param id="color" on-changed="onFilterChange"/>
-	<vn-param id="origin" on-changed="onFilterChange"/>
-	<vn-param id="category" on-changed="onFilterChange"/>
-	<vn-param id="producer" on-changed="onFilterChange"/>
-	<vn-hash-param key="realm" param="realm"/>
-	<vn-hash-param key="type" param="type"/>
-	<sql-filter type="AND" id="filter">
-		<sql-filter-item type="EQUAL" primary="false" id="op-realm">
-			<sql-field target="t" name="categoryFk"/>
-			<sql-value id="realm-value"/>
-		</sql-filter-item>
-		<sql-filter-item type="EQUAL" id="op-type">
-			<sql-field target="i" name="typeFk"/>
-			<sql-value id="type-value"/>
-		</sql-filter-item>
-		<sql-filter-item type="LIKE" id="op-name">
-			<sql-field target="i" name="longName"/>
-			<sql-search-tags param="search"/>
-		</sql-filter-item>
-		<sql-filter-item type="EQUAL" id="op-color">
-			<sql-field target="i" name="inkFk"/>
-			<sql-value param="color"/>
-		</sql-filter-item>
-		<sql-filter-item type="EQUAL" id="op-origin">
-			<sql-field target="i" name="originFk"/>
-			<sql-value param="origin"/>
-		</sql-filter-item>
-		<sql-filter-item type="EQUAL" id="op-category">
-			<sql-field target="i" name="category"/>
-			<sql-value param="category"/>
-		</sql-filter-item>
-		<sql-filter-item type="EQUAL" id="op-producer">
-			<sql-field target="i" name="producerFk"/>
-			<sql-value param="producer"/>
-		</sql-filter-item>
-	</sql-filter>
-	<db-form id="basket" on-ready="onBasketReady">
+	<vn-lot-query id="params" on-change="this.onFilterChange()">
+		<vn-spec name="search" type="String"/>
+		<vn-spec name="realm" type="Number"/>
+		<vn-spec name="type" type="Number"/>
+	</vn-lot-query>
+	<vn-lot id="filter-lot"/>
+</vn-group>
+<vn-group>
+	<sql-filter-item
+		id="id-op"
+		type="EQUAL"
+		target="i"
+		field="id"
+		param="search"/>
+	<sql-operation
+		id="search-op"
+		type="OR">
+		<sql-filter-item
+			type="LIKE"
+			target="i"
+			field="longName"
+			param="search"/>
+		<sql-filter-item
+			type="LIKE"
+			target="i"
+			field="subname"
+			param="search"/>
+	</sql-operation>
+	<sql-filter-item
+		id="realm-op"
+		type="EQUAL"
+		target="t"
+		field="categoryFk"
+		param="realm"/>
+	<sql-filter-item
+		id="type-op"
+		type="EQUAL"
+		target="i"
+		field="typeFk"
+		param="type"/>
+	<sql-filter-item
+		id="color-op"
+		type="EQUAL"
+		target="i"
+		field="inkFk"
+		param="color"/>
+	<sql-filter-item
+		type="EQUAL"
+		id="origin-op"
+		target="i"
+		field="originFk"
+		param="origin"/>
+	<sql-filter-item
+		type="EQUAL"
+		id="category-op"
+		target="i"
+		field="category"
+		param="category"/>
+	<sql-filter-item
+		id="producer-op"
+		type="EQUAL"
+		target="i"
+		field="producerFk"
+		param="producer"/>
+</vn-group>
+<vn-group>
+	<db-form v-model="basket">
 		<db-model property="model">
 			SELECT b.id, b.sent, a.description agency, m.code method
 				FROM myBasket b
@@ -49,7 +96,8 @@
 		</db-model>
 	</db-form>
 	<db-model
-		id="items-model"
+		id="items"
+		auto-load="false"
 		result-index="3"
 		on-status-changed="onItemsChange">
 		DROP TEMPORARY TABLE IF EXISTS tmp.item;
@@ -61,7 +109,7 @@
 					JOIN vn.itemType t ON t.id = i.typeFk
 				WHERE #filter;
 		CALL myBasket_calcCatalogFull;
-		SELECT i.id, i.description, i.longName item, i.subName,
+		SELECT i.id, i.longName item, i.subName,
 				i.tag5, i.value5, i.tag6, i.value6, i.tag7, i.value7,
 				i.relevancy, i.size, i.category,
 				k.name ink, p.name producer, o.name origin,
@@ -85,87 +133,64 @@
 			tmp.ticketComponent,
 			tmp.ticketLot,
 			tmp.zoneGetShipped;
-		<sql-batch property="batch" id="filter-batch">
-			<custom>
-				<item name="filter" object="filter"/>
-			</custom>
-		</sql-batch>
 	</db-model>
-	<db-form id="card" model="items-model"/>
-	<sql-batch id="card-batch">
-		<custom>
-			<item name="item" param="card-item"/>
-		</custom>
-	</sql-batch>
+	<db-form id="$card" v-model="card" model="items"/>
+	<vn-lot id="card-lot"/>
 </vn-group>
-<div id="title">
-	<h1 id="title-text"><t>Catalog</t></h1>
-</div>
-<div id="actions" class="catalog-actions">
-	<button class="menu" on-click="onShowMenuClick">
-		<img src="image/icon/dark/menu.svg" alt="_Menu"/>
-	</button>
-	<htk-bar-button
-		icon="basket"
-		tip="_ShoppingBasket"
-		on-click="onBasketClick"/>
-	<htk-bar-button
-		id="view-button"
-		tip="_Switch view"
-		on-click="onSwitchViewClick"/>
-	<htk-search-entry
-		param="search"/>
-</div>
 <div id="form" class="catalog">
 	<div id="main" class="main">
 	<htk-repeater
 		id="grid-view"
 		empty-message="_Choose filter from right menu"
 		form-id="item"
-		model="items-model"
-		renderer="repeaterFunc">
+		model="items">
 		<custom>
 		<div
 			id="item-box"
-			class="box item-box"
-			title="_AddToBasket">
+			class="item-box clickable"
+			title="{{_('AddToBasket')}}"
+			on-click="this.onAddItemClick($event, $iter)">
 			<htk-image
 				directory="catalog"
 				subdir="200x200"
-				form="item"
+				form="$iter"
 				column="image"
 				stamp-column="updated"
-				full-dir="1600x900"/>
+				full-dir="1600x900"
+				title="_Zoom image"/>
 			<div class="item-info">
 				<h2>
-					<htk-text form="item" column="item"/>
+					<span class="item-id">
+						#{{item.id}}
+					</span>
+					{{item.item}}
 				</h2>
 				<p class="sub-name">
-					<htk-text form="item" column="subName"/>
+					{{item.subName}}
 				</p>
 				<table class="tags">
 					<tr>
-						<td><htk-text form="item" column="tag5"/></td>
-						<td><htk-text form="item" column="value5"/></td>
+						<td>{{item.tag5}}</td>
+						<td>{{item.value5}}</td>
 					</tr>
 					<tr>
-						<td><htk-text form="item" column="tag6"/></td>
-						<td><htk-text form="item" column="value6"/></td>
+						<td>{{item.tag6}}</td>
+						<td>{{item.value6}}</td>
 					</tr>
 					<tr>
-						<td><htk-text form="item" column="tag7"/></td>
-						<td><htk-text form="item" column="value7"/></td>
+						<td>{{item.tag7}}</td>
+						<td>{{item.value7}}</td>
 					</tr>
 				</table>
 				<div class="available-price">
 					<span class="grouping" title="_MinimalGrouping">
-						<htk-text form="item" column="grouping" format="x%.0d"/>
+						{{Vn.Value.format(item.grouping, 'x%.0d')}}
 					</span> 
 					<span class="available" title="_Available">
-						<htk-text form="item" column="available"/>
+						{{item.available}}
 					</span> 
 					<span class="price" title="_GroupingPrice">
-						<htk-text form="item" column="price" format="%.2d€"/>
+						{{Vn.Value.format(item.price, '%.02d€')}}
 					</span>
 				</div>
 			</div>
@@ -176,29 +201,26 @@
 </div>
 <div id="right-panel" class="right-panel" on-click="onRightPanelClick">
 	<div class="basket-info">
+		<p>{{Vn.Value.format(basket.sent, '%D')}}</p>
 		<p>
-			<htk-text form="basket" column="sent" format="%D"/>
+			{{_(basket.method != 'PICKUP' ? 'Agency' : 'Warehouse')}} 
+			{{basket.agency}}
 		</p>
-		<p>
-			<span id="method"/> 
-			<htk-text form="basket" column="agency"/>
-		</p>
-		<button class="thin" on-click="onConfigureClick">
-			<t>Change</t>
+		<button class="thin" on-click="this.onConfigureClick()">
+			<t>Modify</t>
 		</button>
 	</div>
 	<div class="filter">
 		<div class="categories">
 			<div class="realms">
 				<htk-repeater
-					model="realms-model"
-					form-id="realm-form"
+					form-id="form"
 					renderer="realmRenderer"
 					class="realms-box">
 					<db-model
-						id="realms-model"
+						id="realms"
 						property="model"
-						on-status-changed="refreshTitleColor">
+						on-status-changed="refreshTitle">
 						SELECT c.id, l.name, c.color, c.code
 							FROM vn.itemCategory c
 								JOIN vn.itemCategoryL10n l ON l.id = c.id
@@ -207,7 +229,11 @@
 					</db-model>
 					<custom>
 						<a id="link">
-							<img id="image"/>
+							<img
+								id="image"
+								src="{{`image/family/black/${form.code}.svg`}}"
+								title="{{form.name}}"
+								alt="{{form.name}}"/>
 						</a>
 					</custom>
 				</htk-repeater>
@@ -215,17 +241,20 @@
 			</div>
 		</div>
 		<div id="realm-msg" class="realm-msg">
-			<h1><t>Choose a realm</t></h1>
+			<h5><t>Choose a realm</t></h5>
 		</div>
 		<div id="filters" class="filters">
 			<h2><t>Filter by</t></h2>
-			<vn-filter
+			<htk-combo
 				placeholder="_Family"
-				param="type">
+				form="params"
+				column="type"
+				id="type-filter">
 				<db-model
-					id="types-model"
+					id="types"
 					property="model"
 					conn="conn"
+					lot="params"
 					result-index="1"
 					on-status-changed="refreshTitle">
 					CALL myBasket_getAvailable;
@@ -234,21 +263,22 @@
 							JOIN vn.itemType t ON t.id = i.typeFk
 							JOIN tmp.itemAvailable a ON a.id = i.id
 							JOIN vn.itemTypeL10n l ON l.id = t.id
-						WHERE t.`order` >= 0 AND #filter
+						WHERE t.`order` >= 0
+							AND t.categoryFk = #realm
 						ORDER BY t.`order`, l.name;
 					DROP TEMPORARY TABLE tmp.itemAvailable;
 				</db-model>
-				<sql-filter property="filter" type="AND">
-					<sql-filter-item type="EQUAL">
-						<sql-field name="categoryFk" target="t"/>
-						<sql-value param="realm"/>
-					</sql-filter-item>
-				</sql-filter>
-			</vn-filter>
-			<vn-filter
+			</htk-combo>
+			<htk-combo
 				placeholder="_Color"
-				param="color">
-				<db-model property="model" auto-load="false" result-index="1">
+				form="params"
+				column="color"
+				on-mousedown="colors.lazyRefresh()">
+				<db-model
+					id="colors"
+					property="model"
+					auto-load="false"
+					result-index="1">
 					CALL myBasket_getAvailable;
 					SELECT DISTINCT l.id, l.name
 						FROM vn.item i
@@ -259,19 +289,17 @@
 						ORDER BY name;
 					DROP TEMPORARY TABLE tmp.itemAvailable;
 				</db-model>
-				<sql-filter property="filter" always-ready="true" type="AND">
-					<pointer object="op-realm"/>
-					<pointer object="op-type"/>
-					<pointer object="op-name"/>
-					<pointer object="op-origin"/>
-					<pointer object="op-category"/>
-					<pointer object="op-producer"/>
-				</sql-filter>
-			</vn-filter>
-			<vn-filter
+			</htk-combo>
+			<htk-combo
 				placeholder="_Producer"
-				param="producer">
-				<db-model property="model" auto-load="false" result-index="1">
+				form="params"
+				column="producer"
+				on-mousedown="producers.lazyRefresh()">
+				<db-model
+					id="producers"
+					property="model"
+					auto-load="false"
+					result-index="1">
 					CALL myBasket_getAvailable;
 					SELECT DISTINCT p.id, p.name
 						FROM vn.item i 
@@ -282,19 +310,17 @@
 						ORDER BY name;
 					DROP TEMPORARY TABLE tmp.itemAvailable;
 				</db-model>
-				<sql-filter property="filter" always-ready="true" type="AND">
-					<pointer object="op-realm"/>
-					<pointer object="op-type"/>
-					<pointer object="op-name"/>
-					<pointer object="op-origin"/>
-					<pointer object="op-color"/>
-					<pointer object="op-category"/>
-				</sql-filter>
-			</vn-filter>
-			<vn-filter
+			</htk-combo>
+			<htk-combo
 				placeholder="_Origin"
-				param="origin">
-				<db-model property="model" auto-load="false" result-index="1">
+				form="params"
+				column="origin"
+				on-mousedown="origins.lazyRefresh()">
+				<db-model
+					id="origins"
+					property="model"
+					auto-load="false"
+					result-index="1">
 					CALL myBasket_getAvailable;
 					SELECT DISTINCT o.id, l.name, o.code
 						FROM vn.item i 
@@ -306,19 +332,17 @@
 						ORDER BY name;
 					DROP TEMPORARY TABLE tmp.itemAvailable;
 				</db-model>
-				<sql-filter property="filter" always-ready="true" type="AND">
-					<pointer object="op-realm"/>
-					<pointer object="op-type"/>
-					<pointer object="op-name"/>
-					<pointer object="op-color"/>
-					<pointer object="op-category"/>
-					<pointer object="op-producer"/>
-				</sql-filter>
-			</vn-filter>
-			<vn-filter
+			</htk-combo>
+			<htk-combo
 				placeholder="_Category"
-				param="category">
-				<db-model property="model" auto-load="false" result-index="1">
+				form="params"
+				column="category"
+				on-mousedown="categorys.lazyRefresh()">
+				<db-model
+					id="categorys"
+					property="model"
+					auto-load="false"
+					result-index="1">
 					CALL myBasket_getAvailable;
 					SELECT DISTINCT i.category, i.category
 						FROM vn.item i 
@@ -328,15 +352,7 @@
 						ORDER BY category;
 					DROP TEMPORARY TABLE tmp.itemAvailable;
 				</db-model>
-				<sql-filter property="filter" always-ready="true" type="AND">
-					<pointer object="op-realm"/>
-					<pointer object="op-type"/>
-					<pointer object="op-name"/>
-					<pointer object="op-color"/>
-					<pointer object="op-origin"/>
-					<pointer object="op-producer"/>
-				</sql-filter>
-			</vn-filter>
+			</htk-combo>
 		</div>
 		<div id="order" class="order">
 			<h2><t>Order by</t></h2>
@@ -390,10 +406,10 @@
 	modal="true"
 	on-closed="onPopupClose">
 	<div property="child-node" class="item-card">
-		<db-form id="card-extend">
+		<db-form vModel="extendedCard">
 			<db-model
 				property="model"
-				batch="card-batch"
+				lot="card-lot"
 				on-status-changed-after="onCardLoad">
 				SELECT i.description, o.name origin
 					FROM vn.item i
@@ -405,33 +421,23 @@
 			<htk-image
 				directory="catalog"
 				subdir="200x200"
-				form="card"
+				form="$card"
 				column="image"
 				stamp-column="updated"
 				full-dir="1600x900"
 				conn="conn"
 				editable="true"/>
 			<div class="item-info">
-				<h2>
-					<htk-text form="card" column="item"/>
-				</h2>
-				<p class="sub-name">
-					<htk-text form="card" column="subName"/>
-				</p>
-				<p>
-					#<htk-text form="card" column="id"/>
-				</p>
-				<p>
-					<htk-text form="card" column="stems" format="_%.0d Units"/>
-				</p>
+				<h2>{{card.item}}</h2>
+				<p class="sub-name">{{card.subname}}</p>
+				<p>#{{card.id}}</p>
+				<p>{{Vn.Value.format(card.stems, _('%.0d Units'))}}</p>
 			</div>
-			<p class="desc">
-				<htk-text form="card-extend" column="description" id="desc"/>
-			</p>
+			<p class="desc">{{extendedCard.description}}</p>
 			<htk-repeater show-status="false" form-id="tag" class="tags">
 				<db-model
 					property="model"
-					batch="card-batch"
+					lot="card-lot"
 					on-status-changed-after="onCardLoad">
 					SELECT l.name, it.value
 						FROM vn.itemTag it
@@ -443,8 +449,8 @@
 				</db-model>
 				<custom>
 					<tr>
-						<td><htk-text form="tag" column="name"/></td>
-						<td><htk-text form="tag" column="value"/></td>
+						<td>{{tag.name}}</td>
+						<td>{{tag.value}}</td>
 					</tr>
 				</custom>
 			</htk-repeater>
@@ -455,7 +461,7 @@
 				property="model"
 				result-index="1"
 				on-status-changed-after="onCardLoad"
-				batch="card-batch">
+				lot="card-lot">
 				CALL myBasket_calcCatalogFromItem(#item);
 				SELECT l.warehouseFk, w.name warehouse, p.`grouping`,
 						p.price, p.priceKg, p.rate, l.available
@@ -480,20 +486,25 @@
 				on-clicked="onAddLotClick"/>
 		</htk-grid>
 		<div class="footer">
-			<button on-click="onEraseClick" title="_Erase" class="erase">
+			<button
+				title="_Erase"
+				on-click="this.onEraseClick()"
+				class="erase">
 				<htk-icon
-					icon="delete"
+					name="delete"
 					theme="dark"
 					alt="_Erase"/>
 			</button>
 			<htk-text id="amount"/>
-			<button on-click="onConfirmClick" title="_Confirm" class="confirm">
+			<button
+				title="_Confirm"
+				on-click="this.onConfirmClick()"
+				class="confirm">
 				<htk-icon
-					icon="ok"
+					name="done"
 					theme="dark"
 					alt="_Confirm"/>
 			</button>
-			<div class="clear"/>
 		</div>
 	</div>
 </htk-popup>
diff --git a/forms/ecomerce/checkout/checkout.js b/forms/ecomerce/checkout/checkout.js
index 216a5e38..b20e6ad9 100644
--- a/forms/ecomerce/checkout/checkout.js
+++ b/forms/ecomerce/checkout/checkout.js
@@ -4,32 +4,27 @@ Hedera.Checkout = new Class({
 
 	activate: function() {
 		this.autoStepLocked = true;
-		this.$('assistant').stepsIndex = this.agencySteps;
+		this.$.assistant.stepsIndex = this.agencySteps;
 
 		this.today = new Date();
 		this.today.setHours(0, 0, 0, 0);
 	},
 
 	onValuesReady: function() {
-		var orderForm = this.$('order-form');
-		var defaultsForm = this.$('defaults');
+		const orderForm = this.$.orderForm;
+		const defaultsForm = this.$.defaults;
 
 		if (!(orderForm.ready && defaultsForm.ready))
 			return;
 
-		var date;
-
-		if (orderForm.numRows > 0) {
-			var i = orderForm;
-			date = i.get('sent');
-		} else
-			var i = defaultsForm;
+		let date;
+		const row = orderForm.$ || defaultsForm.$ || {};
 		
 		if (!date || date.getTime() < (new Date()).getTime()) {
 			date = new Date();
 			date.setHours(0, 0, 0, 0);
 
-			var addDays = 0;
+			let addDays = 0;
 
 			switch(date.getDay()) {
 				case 6: // Saturday
@@ -40,37 +35,31 @@ Hedera.Checkout = new Class({
 					break;
 			}
 
-			if (i.get('deliveryMethod') != 'PICKUP')
+			if (row.deliveryMethod != 'PICKUP')
 				addDays++;
 
 			date.setDate(date.getDate() + addDays);
 		}
-		
-		this.$('date').value = date;
-		this.$('method').value = i.get('deliveryMethod');
-		this.$('agency').value = i.get('agencyModeFk');
-		this.$('address').value = i.get('addressFk');
 
+		this.$.lot.assign({
+			date: date,
+			method: row.deliveryMethod,
+			agency: row.agencyModeFk,
+			address: row.addressFk
+		});
 		this.autoStepLocked = false;
 	},
 	
 	disableButtons: function(disable) {
-		this.$('assistant-bar').disabled = disable;
+		this.$.assistantBar.disabled = disable;
 	},
 
 	onConfirmClick: function() {
 		this.disableButtons(true);
 	
-		var query = 'CALL myBasket_configure(#date, #method, #agency, #address)';
-	
-		var batch = new Sql.Batch();
-		batch.addParam('method', this.$('method'));
-		batch.addParam('date', this.$('date'));
-		batch.addParam('agency', this.$('agency'));
-		batch.addParam('address', this.$('address'));
-	
+		const query = 'CALL myBasket_configure(#date, #method, #agency, #address)';
 		this.conn.execQuery(query,
-			this.onBasketConfigured.bind(this), batch);
+			this.onBasketConfigured.bind(this), this.$.lot.$);
 	},
 
 	onBasketConfigured: function(resultSet) {
@@ -79,96 +68,91 @@ Hedera.Checkout = new Class({
 		if (!resultSet.fetchResult())
 			return;
 	
-		if (this.$('order-form').numRows > 0)
+		if (this.$.orderForm.numRows > 0)
 			Htk.Toast.showMessage(_('OrderUpdated'));
 		else
 			Htk.Toast.showMessage(_('OrderStarted'));
 
-		this.hash.set({form: 'ecomerce/catalog'});
+		this.hash.setAll({form: 'ecomerce/catalog'});
 	},
 
 	onCancelClick: function() {
-		if (this.$('order-form').numRows > 0)
+		if (this.$.orderForm.numRows > 0)
 			window.history.back();
 		else
-			this.hash.set({form: 'ecomerce/orders'});
+			this.hash.setAll({form: 'ecomerce/orders'});
 	},
 	
 	agencySteps: ['method', 'date', 'address', 'agency', 'confirm-delivery'],
 	pickupSteps: ['method', 'date', 'address', 'pickup', 'confirm-pickup'],
 
 	isDelivery: function() {
-		return this.$('rg-method').value != 'PICKUP';
+		return this.$.rgMethod.value != 'PICKUP';
 	},
 
 	onMethodChange: function() {
-		this.$('assistant').stepsIndex = this.isDelivery() ?
+		this.$.assistant.stepsIndex = this.isDelivery() ?
 			this.agencySteps : this.pickupSteps;
 		this.onFieldChange();
 	},
 
 	methodValidate: function() {
-		if (!this.$('rg-method').isSelected())
+		if (!this.$.rgMethod.isSelected())
 			throw new Error(_('Please select an option'));
 	},
 
 	dateShow: function() {
-		Vn.Node.setText(this.$('date-question'), this.isDelivery() ?
+		Vn.Node.setText(this.$.dateQuestion, this.isDelivery() ?
 			_('OrderDateDeliveryQuestion'):
 			_('OrderDatePickupQuestion'));
-		this.$('calendar').goToSelectedMonth();
+		this.$.calendar.goToSelectedMonth();
 	},
 
 	dateValidate: function() {
-		if (!this.$('calendar').value)
+		if (!this.$.calendar.value)
 			throw new Error(_('Please select a date'));
 	},
 
 	addressShow: function() {
-		Vn.Node.setText(this.$('address-question'), this.isDelivery() ?
+		Vn.Node.setText(this.$.addressQuestion, this.isDelivery() ?
 			_('AddressQuestion'):
 			_('AddressQuestionPickup'));
 	},
 
 	addressValidate: function() {
-		if (this.$('address-form').row == -1)
+		if (this.$.addressForm.row == -1)
 			throw new Error(_('Please select an address'));
 	},
 
 	agencyShow: function() {
-		this.$('agencies').refresh();
+		this.$.agencies.refresh();
 	},
 
 	agencyValidate: function() {
-		if (this.$('agency-combo').row == -1 && this.isDelivery())
+		if (this.$.agencyCombo.row == -1 && this.isDelivery())
 			throw new Error(_('Please select an agency'));
 	},
 
 	pickupShow: function() {
-		this.$('warehouses').refresh();
+		this.$.warehouses.refresh();
 	},
 
 	pickupValidate: function() {
-		if (this.$('warehouse-combo').row == -1)
+		if (this.$.warehouseCombo.row == -1)
 			throw new Error(_('Please select a store'));
 	},
 	
 	onFieldChange: function() {
 		if (!this.autoStepLocked)
-			this.$('assistant').moveNext();
+			this.$.assistant.moveNext();
 	},
 	
 	goNextStep: function() {
-		this.$('assistant').moveNext();
-	},
-	
-	addressRenderer: function(builder, form) {
-		builder.$('address').addEventListener('click',
-			this.onAddressClick.bind(this, form.get('id')));
+		this.$.assistant.moveNext();
 	},
 	
 	onAddressClick: function(addressId) {
-		this.$('address').value = addressId;
+		this.$.lot.set('address', addressId);
 		this.goNextStep();
 	},
 	
@@ -176,37 +160,43 @@ Hedera.Checkout = new Class({
 		if (this.selectedNode)
 			Vn.Node.removeClass(this.selectedNode, 'selected');
 
-		var row = this.$('addresses').search('id', this.$('address').value);
+		const row = this.$.addresses.search('id', this.$.lot.$.address);
 
 		if (row != -1) {
-			var builder = this.$('repeater').getBuilder(row);
+			const builder = this.$.repeater.getBuilder(row);
 		
-			this.selectedNode = builder.$('address');
+			this.selectedNode = builder.$.address;
 			Vn.Node.addClass(this.selectedNode, 'selected');
 		}
 
-		this.$('address-form').row = row;
+		this.$.addressForm.row = row;
 	},
 	
 	onAgenciesReady: function(model) {
 		if (!model.ready) return;
 
 		if (model.numRows > 0) {
-			var agency;
-			var defaults = [
-				this.$('order-form').get('agencyModeFk'),
-				this.$('defaults').get('agencyModeFk'),
-				this.$('defaults').get('defaultAgencyFk')
-			];
+			let agency;
+			const agencies = [];
 
-			for (var i = 0; i < defaults.length; i++) {
-				agency = defaults[i];
+			if (this.$.orderForm.$)
+				agencies.push(this.$.orderForm.$);
+
+			const defaults = this.$.defaults.$;
+			if (defaults)
+				agencies.push(
+					defaults.agencyModeFk,
+					defaults.defaultAgencyFk
+				);
+
+			for (let i = 0; i < agencies.length; i++) {
+				agency = agencies[i];
 				if (model.search('id', agency) !== -1)
 					break;
 			}
 
 			this.autoStepLocked = true;
-			this.$('agency').value = agency;
+			this.$.lot.assign({agency});
 			this.autoStepLocked = false;
 		} else
 			Htk.Toast.showError(_('NoAgeciesAvailableForDate'));
diff --git a/forms/ecomerce/checkout/locale/ca.yml b/forms/ecomerce/checkout/locale/ca.yml
index 5846dff5..41a84a8f 100644
--- a/forms/ecomerce/checkout/locale/ca.yml
+++ b/forms/ecomerce/checkout/locale/ca.yml
@@ -11,7 +11,7 @@ AddressQuestion: On vols rebre la comanda?
 AddressQuestionPickup: A què direcció vols associar la comanda? (Opcional)
 AgencyQuestion: Com vols rebre la comanda?
 PickupWarehouseQuestion: En quin magatzem vols recollir la comanda?
-ConfirmToAccessCatalog: Confirma les dades per accedir al catàleg
+ConfirmData: Confirma les dades
 Arrival: Arribada
 Pickup: Recollida
 Agency: Agència
diff --git a/forms/ecomerce/checkout/locale/en.yml b/forms/ecomerce/checkout/locale/en.yml
index 45a54a7b..c9c94c90 100644
--- a/forms/ecomerce/checkout/locale/en.yml
+++ b/forms/ecomerce/checkout/locale/en.yml
@@ -11,7 +11,7 @@ AddressQuestion: Where do you want to receive the order?
 AddressQuestionPickup: To which address do you want to associate the order? (Optional)
 AgencyQuestion: How you want to receive the order?
 PickupWarehouseQuestion: What store you want to pickup your order?
-ConfirmToAccessCatalog: Confirm the data to access the catalog
+ConfirmData: Confirm the data
 Arrival: Arrival
 Pickup: Pickup
 Agency: Agency
diff --git a/forms/ecomerce/checkout/locale/es.yml b/forms/ecomerce/checkout/locale/es.yml
index a699f3e0..b2276376 100644
--- a/forms/ecomerce/checkout/locale/es.yml
+++ b/forms/ecomerce/checkout/locale/es.yml
@@ -11,7 +11,7 @@ AddressQuestion: ¿Dónde quieres recibir el pedido?
 AddressQuestionPickup: ¿A qué dirección quieres asociar el pedido? (Opcional)
 AgencyQuestion: ¿Cómo quieres recibir el pedido?
 PickupWarehouseQuestion: ¿En qué almacén quieres recoger el pedido?
-ConfirmToAccessCatalog: Confirma los datos para acceder al catálogo
+ConfirmData: Confirma los datos
 Arrival: Llegada
 Pickup: Recogida
 Agency: Agencia
diff --git a/forms/ecomerce/checkout/locale/fr.yml b/forms/ecomerce/checkout/locale/fr.yml
index 5a04e06a..53166061 100644
--- a/forms/ecomerce/checkout/locale/fr.yml
+++ b/forms/ecomerce/checkout/locale/fr.yml
@@ -11,7 +11,7 @@ AddressQuestion: Adresse livraison?
 AddressQuestionPickup: À quelle adresse voulez-vous associer la commande? (Optionnel)
 AgencyQuestion: Agence de livraison
 PickupWarehouseQuestion: Dans quel magasin vuoulez-vous retirer votre commande?
-ConfirmToAccessCatalog: Confirmez les coordonnées pour accéder au catalogue
+ConfirmData: Confirmez les coordonnées
 Arrival: Arrivée
 Pickup: Retrait
 Agency: Agence
diff --git a/forms/ecomerce/checkout/locale/pt.yml b/forms/ecomerce/checkout/locale/pt.yml
index aa4b59e2..c6f76484 100644
--- a/forms/ecomerce/checkout/locale/pt.yml
+++ b/forms/ecomerce/checkout/locale/pt.yml
@@ -11,7 +11,7 @@ AddressQuestion: Onde queres receber a encomenda?
 AddressQuestionPickup: Para qual endereço deseja associar o pedido? (Opcional)
 AgencyQuestion: Como queres receber a encomenda?
 PickupWarehouseQuestion: Em qual armazém queres levantar a encomenda?
-ConfirmToAccessCatalog: Confirme os dados para entrar no catálogo
+ConfirmData: Confirme os dados
 Arrival: Chegada
 Pickup: Recolhida
 Agency: Agência
diff --git a/forms/ecomerce/checkout/style.css b/forms/ecomerce/checkout/style.css
index d1dc875f..61885aad 100644
--- a/forms/ecomerce/checkout/style.css
+++ b/forms/ecomerce/checkout/style.css
@@ -1,89 +1,54 @@
-.checkout
-{
-	padding: 1em;
-	max-width: 40em;
-	margin: 0 auto;
-}
-.checkout .bar
-{
-	margin-bottom: 1em;
-}
-.checkout .form
-{
-	max-width: 40em;
-	padding: 4em 2em;
+
+.checkout .bar {
+	margin-bottom: 16px;
 }
 
 /* Step */
 
 .answers button,
 .answers p,
-.radio > div
-{
+.radio > div {
+	font-size: 1.2em;
+}
+.answers .htk-select {
+	max-width: 15em;
+	margin: 0 auto;
 	font-size: 1.4em;
 }
-.answers .htk-select
-{
-	max-width: 10em;
-	display: block;
-	margin: 0 auto;
-	font-size: 1.6em;
-	height: 1.8em;
-}
-.answers p
-{
+.answers p {
 	margin: 0.3em 0;
 }
-.target
-{
+.target {
 	max-width: 28em;
 	margin: 0 auto;
 }
-.address
-{
+.address {
 	border-radius: 0.1em;
 	padding: 0.6em 1.4em;
 }
-.address.selected
-{
+.address.selected {
 	background-color: rgba(1, 1, 1, .1);
 }
-.address:hover
-{
+.address:hover {
 	cursor: pointer;
 	background-color: rgba(1, 1, 1, .05);
 }
-.address p.consignee
-{
+.address p.consignee {
 	font-weight: bold;
 }
-.radio
-{
+.radio {
 	max-width: 20em;
 	margin: 0 auto;
 }
-.radio > div
-{
+.radio > div {
 	padding: 0.5em;
-	border-top: 1px solid #AAA;
 }
-.radio > div:first-child
-{
-	border-top: none;
-}
-.thin-calendar
-{
-	width: inherit;
+.thin-calendar {
 	max-width: 24em;
 	margin: 0 auto;
-    box-shadow: 0 0.1em 0.3em #ccc;
+	box-shadow: none;
 }
-.thin-calendar tr > th
-{
-	color: white;
-}
-.htk-assistant .thin
-{
+.htk-assistant .thin {
 	float: right;
 }
 
diff --git a/forms/ecomerce/checkout/ui.xml b/forms/ecomerce/checkout/ui.xml
index 47100763..849b9286 100644
--- a/forms/ecomerce/checkout/ui.xml
+++ b/forms/ecomerce/checkout/ui.xml
@@ -1,9 +1,6 @@
 <vn>
 <vn-group>
-	<vn-param id="method"/>
-	<vn-param id="date"/>
-	<vn-param id="agency"/>
-	<vn-param id="address" on-changed="onAddressChange"/>
+	<vn-lot id="lot" on-change="this.onAddressChange()"/>
 	<db-form id="defaults" on-ready="onValuesReady">
 		<db-model property="model">
 			SELECT deliveryMethod, agencyModeFk, addressFk, defaultAgencyFk
@@ -19,6 +16,7 @@
 	</db-form>
 	<db-model id="agencies"
 		auto-load="false"
+		lot="lot"
 		result-index="1"
 		on-status-changed="onAgenciesReady">
 		CALL vn.zone_getAgency(#address, #date);
@@ -30,15 +28,10 @@
 				AND a.isVisible
 			ORDER BY a.description;
 		DROP TEMPORARY TABLE tmp.zoneGetAgency;
-		<sql-batch property="batch">
-			<custom>
-				<item name="address" param="address"/>
-				<item name="date" param="date"/>
-			</custom>
-		</sql-batch>
 	</db-model>
 	<db-model id="warehouses"
 		auto-load="false"
+		lot="lot"
 		result-index="1"
 		on-status-changed="onWarehousesReady">
 		CALL vn.zone_getAgency(#address, #date);
@@ -50,12 +43,6 @@
 				AND a.isVisible
 			ORDER BY a.description;
 		DROP TEMPORARY TABLE tmp.zoneGetAgency;
-		<sql-batch property="batch">
-			<custom>
-				<item name="address" param="address"/>
-				<item name="date" param="date"/>
-			</custom>
-		</sql-batch>
 	</db-model>
 </vn-group>
 <div id="title">
@@ -68,144 +55,148 @@
 		on-click="onCancelClick"/>
 </div>
 <div id="form" class="checkout">
-	<div class="box bar">
-		<htk-assistant-bar
-			id="assistant-bar"
-			assistant="assistant"/>
-	</div>
-	<div class="box">
-		<div class="form">
-		<htk-assistant id="assistant"
-			endFunc="onConfirmClick">
-			<htk-step
-				name="method"
-				validate-func="methodValidate">
-				<h2><t>DeliveryOrPickupQuestion</t></h2>
-				<div class="answers radio">
-					<htk-radio-group
-						id="rg-method"
-						param="method"
-						on-changed="onMethodChange"/>
-					<div>
-						<label>
-							<htk-radio radio-group="rg-method" value="AGENCY"/>
-							<t>Receive the order</t>
-						</label>
+	<div class="vn-w-sm">
+		<div class="box bar">
+			<htk-assistant-bar
+				id="assistant-bar"
+				assistant="assistant"/>
+		</div>
+		<div class="box vn-px-lg vn-py-xl">
+			<div class="form">
+			<htk-assistant id="assistant"
+				endFunc="onConfirmClick">
+				<htk-step
+					name="method"
+					validate-func="methodValidate">
+					<h2><t>DeliveryOrPickupQuestion</t></h2>
+					<div class="answers radio">
+						<htk-radio-group
+							id="rg-method"
+							form="lot"
+							column="method"
+							on-changed="onMethodChange"/>
+						<div>
+							<label>
+								<htk-radio radio-group="rg-method" value="AGENCY"/>
+								<t>Receive the order</t>
+							</label>
+						</div>
+						<div>
+							<label>
+								<htk-radio radio-group="rg-method" value="PICKUP"/>
+								<t>PickupInStore</t>
+							</label>
+						</div>
 					</div>
-					<div>
-						<label>
-							<htk-radio radio-group="rg-method" value="PICKUP"/>
-							<t>PickupInStore</t>
-						</label>
+				</htk-step>
+				<htk-step
+					name="date"
+					show-func="dateShow"
+					validate-func="dateValidate">
+					<h2 id="date-question"/>
+					<div class="answers">
+						<htk-calendar
+							id="calendar"
+							class="thin-calendar"
+							form="lot"
+							column="date"
+							restrict-func="calendarRestrict"
+							on-changed="onFieldChange"/>
 					</div>
-				</div>
-			</htk-step>
-			<htk-step
-				name="date"
-				show-func="dateShow"
-				validate-func="dateValidate">
-				<h2 id="date-question"/>
-				<div class="answers">
-					<htk-calendar
-						id="calendar"
-						class="thin-calendar"
-						param="date"
-						restrict-func="calendarRestrict"
-						on-changed="onFieldChange"/>
-				</div>
-			</htk-step>
-			<htk-step
-				name="address"
-				show-func="addressShow"
-				validate-func="addressValidate">
-				<h2 id="address-question"/>
-				<div class="answers target">
-					<db-form id="address-form" model="addresses"/>
-					<htk-repeater
-						id="repeater"
-						form-id="iter"
-						on-change="onAddressChange"
-						renderer="addressRenderer">
-						<db-model property="model" id="addresses">
-							SELECT a.id, a.nickname, p.name province, a.city, a.street, a.isActive, c.country
-								FROM myAddress a
-								LEFT JOIN vn.province p ON p.id = a.provinceFk
-								JOIN vn.country c ON c.id = p.countryFk
+				</htk-step>
+				<htk-step
+					name="address"
+					show-func="addressShow"
+					validate-func="addressValidate">
+					<h2 id="address-question"/>
+					<div class="answers target">
+						<db-form id="address-form" model="addresses"/>
+						<htk-repeater
+							id="repeater"
+							form-id="iter"
+							on-change="onAddressChange">
+							<db-model property="model" id="addresses">
+								SELECT a.id, a.nickname, p.name province, a.city, a.street, a.isActive, c.country
+									FROM myAddress a
+										LEFT JOIN vn.province p ON p.id = a.provinceFk
+										JOIN vn.country c ON c.id = p.countryFk
 									WHERE a.isActive
-						</db-model>
-						<custom>
-							<div class="address" id="address">
-								<p class="consignee">
-									<htk-text form="iter" column="nickname"/>
-								</p>
-								<p>
-									<htk-text form="iter" column="street"/>
-								</p>
-							</div>
-						</custom>
-					</htk-repeater>
-				</div>
-			</htk-step>
-			<htk-step
-				name="agency"
-				show-func="agencyShow"
-				validate-func="agencyValidate">
-				<h2><t>AgencyQuestion</t></h2>
-				<div class="answers target">
-					<htk-combo
-						id="agency-combo"
-						param="agency"
-						on-changed="onFieldChange"
-						model="agencies"/>
-				</div>
-			</htk-step>
-			<htk-step
-				name="pickup"
-				show-func="pickupShow"
-				validate-func="pickupValidate">
-				<h2><t>PickupWarehouseQuestion</t></h2>
-				<div class="answers target">
-					<htk-combo
-						id="warehouse-combo"
-						param="agency"
-						on-changed="onFieldChange"
-						model="warehouses"/>
-				</div>
-			</htk-step>
-			<htk-step
-				name="confirm-delivery">
-				<h2><t>ConfirmToAccessCatalog</t></h2>
-				<div class="answers target">
-					<p>
-						<t>Arrival</t> 
-						<htk-text format="%D" param="date"/>
-					</p>
-					<p>
-						<htk-text form="address-form" column="street"/>
-					</p>
-					<p>
-						<t>Agency</t> 
-						<htk-text form="agency-combo" column="description"/>
-					</p>
-					<div class="clear"/>
-				</div>
-			</htk-step>
-			<htk-step
-				name="confirm-pickup">
-				<h2><t>ConfirmToAccessCatalog</t></h2>
-				<div class="answers target">
-					<p>
-						<t>Pickup</t> 
-						<htk-text format="%D" param="date"/>
-					</p>
-					<p>
-						<t>Warehouse</t> 
-						<htk-text form="warehouse-combo" column="description"/>
-					</p>
-					<div class="clear"/>
-				</div>
-			</htk-step>
-		</htk-assistant>
+							</db-model>
+							<custom>
+								<div
+									class="address"
+									on-click="this.onAddressClick(iter.id)"
+									id="address">
+									<p class="consignee">{{iter.nickname}}</p>
+									<p>{{iter.street}}</p>
+								</div>
+							</custom>
+						</htk-repeater>
+					</div>
+				</htk-step>
+				<htk-step
+					name="agency"
+					show-func="agencyShow"
+					validate-func="agencyValidate">
+					<h2><t>AgencyQuestion</t></h2>
+					<div class="answers target">
+						<htk-combo
+							id="agency-combo"
+							form="lot"
+							column="agency"
+							on-changed="onFieldChange"
+							model="agencies"/>
+					</div>
+				</htk-step>
+				<htk-step
+					name="pickup"
+					show-func="pickupShow"
+					validate-func="pickupValidate">
+					<h2><t>PickupWarehouseQuestion</t></h2>
+					<div class="answers target">
+						<htk-combo
+							id="warehouse-combo"
+							form="lot"
+							column="agency"
+							on-changed="onFieldChange"
+							model="warehouses"/>
+					</div>
+				</htk-step>
+				<htk-step
+					name="confirm-delivery">
+					<h2><t>ConfirmData</t></h2>
+					<div class="answers target">
+						<p>
+							<t>Arrival</t> 
+							<htk-text format="%D" form="lot" column="date"/>
+						</p>
+						<p>
+							<htk-text form="address-form" column="street"/>
+						</p>
+						<p>
+							<t>Agency</t> 
+							<htk-text form="agency-combo" column="description"/>
+						</p>
+						<div class="clear"/>
+					</div>
+				</htk-step>
+				<htk-step
+					name="confirm-pickup">
+					<h2><t>ConfirmData</t></h2>
+					<div class="answers target">
+						<p>
+							<t>Pickup</t> 
+							<htk-text format="%D" form="lot" column="date"/>
+						</p>
+						<p>
+							<t>Warehouse</t> 
+							<htk-text form="warehouse-combo" column="description"/>
+						</p>
+						<div class="clear"/>
+					</div>
+				</htk-step>
+			</htk-assistant>
+			</div>
 		</div>
 	</div>
 </div>
diff --git a/forms/ecomerce/confirm/confirm.js b/forms/ecomerce/confirm/confirm.js
index 7fec5102..38784c46 100644
--- a/forms/ecomerce/confirm/confirm.js
+++ b/forms/ecomerce/confirm/confirm.js
@@ -6,7 +6,7 @@ Hedera.Confirm = new Class({
 		this.close();
 		this.isOpen = true;
 
-		Hedera.BasketChecker.check(this.conn,
+		Hedera.BasketChecker.check(this.conn, this.hash,
 			this.onBasketCheck.bind(this));
 	},
 	
@@ -19,21 +19,21 @@ Hedera.Confirm = new Class({
 		if (form.row < 0)
 			return;
 		
-		if (form.get('method') != 'PICKUP') {
-			Vn.Node.show(this.$('address'));
-			Vn.Node.setText(this.$('method'), _('Agency'));
+		if (form.$.method != 'PICKUP') {
+			Vn.Node.show(this.$.address);
+			Vn.Node.setText(this.$.method, _('Agency'));
 		} else {
-			Vn.Node.hide(this.$('address'));
-			Vn.Node.setText(this.$('method'), _('Warehouse'));
+			Vn.Node.hide(this.$.address);
+			Vn.Node.setText(this.$.method, _('Warehouse'));
 		}
 
-		var total = form.get('taxableBase') + form.get('tax');
+		var total = form.$.taxableBase + form.$.tax;
 		
 		if (total === null)
 			total = 0;
 
-		var credit = form.get('credit');
-		var debt = form.get('debt');
+		var credit = form.$.credit;
+		var debt = form.$.debt;
 
 		var totalDebt = debt + total;
 		var exceededCredit = totalDebt - credit;
@@ -43,21 +43,21 @@ Hedera.Confirm = new Class({
 			Htk.Toast.showWarning(
 				_('You have exceeded your credit.'));
 
-		this.$('debt').value = debt;
-		this.$('total-debt').value = totalDebt;
-		this.$('total-amount').value = totalDebt;
-		this.$('credit-excess').value = exceededCredit;
-		this.$('excess-amount').value = exceededCredit;
+		this.$.debt.value = debt;
+		this.$.totalDebt.value = totalDebt;
+		this.$.totalAmount.value = totalDebt;
+		this.$.creditExcess.value = exceededCredit;
+		this.$.excessAmount.value = exceededCredit;
 		
-		this.$('pay-amount').value = 'ALL';
+		this.$.payAmount.value = 'ALL';
 		
 		if (credit > 0) {
-			this.$('credit-info').style.display = 'table-row';
+			this.$.creditInfo.style.display = 'table-row';
 
 			if (creditExceededCond) {
-				this.$('amount-selector').style.display = 'block';
-				this.$('exceeded-info').style.display = 'table-row';
-				this.$('pay-amount').value = 'EXCEEDED';
+				this.$.amountSelector.style.display = 'block';
+				this.$.exceededInfo.style.display = 'table-row';
+				this.$.payAmount.value = 'EXCEEDED';
 			}
 		}
 		
@@ -77,43 +77,43 @@ Hedera.Confirm = new Class({
 		}
 		
 		for (var i = 0; i < methods.length; i++)
-			this.$(methods[i] +'-method').style.display = 'block';
+			this.$[`${methods[i]}Method`].style.display = 'block';
 		
-		this.$('pay-method').value = selectedMethod;
+		this.$.payMethod.value = selectedMethod;
 	},
 	
 	onPayMethodChange: function(payMethod) {
 		var id = this.displayedInfo;
-	
+
 		if (id)
-			Vn.Node.removeClass(this.$(id), 'selected');
-	
+			Vn.Node.removeClass(this.$[id], 'selected');
+
 		switch (payMethod.value) {
 			case 'BALANCE':
-				id = 'balance-method';
+				id = 'balanceMethod';
 				break;
 			case 'CREDIT':
-				id = 'credit-method';
+				id = 'creditMethod';
 				break;
 			case 'CARD':
-				id = 'card-method';
+				id = 'cardMethod';
 				break;
 			case 'TRANSFER':
-				id = 'transfer-method';
+				id = 'transferMethod';
 				break;
 			default:
 				id = null;
 		}
-		
+
 		this.displayedInfo = id;
 		
 		if (id)
-			Vn.Node.addClass(this.$(id), 'selected');
+			Vn.Node.addClass(this.$[id], 'selected');
 	},
 	
 	disableButtons: function(disable) {
-		this.$('modify').disabled = disable;
-		this.$('confirm').disabled = disable;
+		this.$.modify.disabled = disable;
+		this.$.confirm.disabled = disable;
 	},
 	
 	onModifyClick: function() {
@@ -122,27 +122,30 @@ Hedera.Confirm = new Class({
 	
 	onConfirmClick: function() {
 		this.disableButtons(true);
-		this.$('confirm-query').execute();
+		this.$.confirmQuery.execute();
 	},
 
 	onConfirm: function(query, resultSet) {
 		this.disableButtons(false);
 
 		if (resultSet.fetchResult())
-			this.$('success-dialog').show();
+			this.$.successDialog.show();
 	},
 
 	onDialogResponse: function() {
-		if (this.$('pay-method').value === 'CARD') {
-			if (this.$('pay-amount').value === 'EXCEEDED')
-				var payAmount = this.$('excess-amount').value;
+		if (this.$.payMethod.value === 'CARD') {
+			if (this.$.payAmount.value === 'EXCEEDED')
+				var payAmount = this.$.excessAmount.value;
 			else
-				var payAmount = this.$('total-amount').value;
+				var payAmount = this.$.totalAmount.value;
 		
-			var tpv = new Hedera.Tpv({conn: this.conn});
-			tpv.pay(payAmount, this.$('order-form').get('companyFk'));
+			var tpv = new Hedera.Tpv({
+				conn: this.conn,
+				hash: this.hash
+			});
+			tpv.pay(payAmount, this.$.order.companyFk);
 		} else
-			this.hash.set({'form': 'ecomerce/orders'});
+			this.hash.setAll({form: 'ecomerce/orders'});
 	}
 });
 
diff --git a/forms/ecomerce/confirm/locale/ca.yml b/forms/ecomerce/confirm/locale/ca.yml
index 969c8d00..5f84813a 100644
--- a/forms/ecomerce/confirm/locale/ca.yml
+++ b/forms/ecomerce/confirm/locale/ca.yml
@@ -1,5 +1,7 @@
 Checkout: Finalitzar comanda
 Order summary: Resum de la comanda
+ShippingInformation: Dades d'enviament
+DeliveryAddress: Adreça de lliurament
 Delivery at: Lliurament el
 Agency: Agència
 Warehouse: Magatzem
diff --git a/forms/ecomerce/confirm/locale/en.yml b/forms/ecomerce/confirm/locale/en.yml
index e2b32f07..c480fa72 100644
--- a/forms/ecomerce/confirm/locale/en.yml
+++ b/forms/ecomerce/confirm/locale/en.yml
@@ -1,5 +1,7 @@
 Checkout: Checkout
 Order summary: Order summary
+ShippingInformation: Shipping information
+DeliveryAddress: Delivery address
 Delivery at: Delivery at
 Agency: Agency
 Warehouse: Store
diff --git a/forms/ecomerce/confirm/locale/es.yml b/forms/ecomerce/confirm/locale/es.yml
index e344c094..08c65dac 100644
--- a/forms/ecomerce/confirm/locale/es.yml
+++ b/forms/ecomerce/confirm/locale/es.yml
@@ -1,5 +1,7 @@
 Checkout: Finalizar pedido
 Order summary: Resumen del pedido
+ShippingInformation: Datos de envío
+DeliveryAddress: Dirección de entrega
 Delivery at: Entrega el
 Agency: Agencia
 Warehouse: Almacén
diff --git a/forms/ecomerce/confirm/locale/fr.yml b/forms/ecomerce/confirm/locale/fr.yml
index 743b0222..2bcdda8c 100644
--- a/forms/ecomerce/confirm/locale/fr.yml
+++ b/forms/ecomerce/confirm/locale/fr.yml
@@ -1,5 +1,7 @@
 Checkout: Finir la commande
 Order summary: Résumé de la commande
+ShippingInformation: Informations sur la livraison
+DeliveryAddress: Addresse de livraison
 Delivery at: Livraison à
 Agency: Agence
 Warehouse: Entrepôt
diff --git a/forms/ecomerce/confirm/locale/pt.yml b/forms/ecomerce/confirm/locale/pt.yml
index efc04b53..6f44570a 100644
--- a/forms/ecomerce/confirm/locale/pt.yml
+++ b/forms/ecomerce/confirm/locale/pt.yml
@@ -1,5 +1,7 @@
 Checkout: Finalizar encomenda
 Order summary: Resumo da encomenda
+ShippingInformation: Dados de envio
+DeliveryAddress: Endereço de entrega
 Delivery at: Entrega na
 Agency: Agência
 Warehouse: Armazém
diff --git a/forms/ecomerce/confirm/style.css b/forms/ecomerce/confirm/style.css
index 4dd4a61e..f5da4a6b 100644
--- a/forms/ecomerce/confirm/style.css
+++ b/forms/ecomerce/confirm/style.css
@@ -1,86 +1,33 @@
-.confirm
-{
-	padding: 1em;
-	max-width: 30em;
-	margin: 0 auto;
-	color: #555;
+
+.confirm .summary {
+	margin-bottom: 16px;
 }
-.confirm .box
-{
-	padding: 2.2em 2.5em;
-}
-.confirm .summary
-{
-	margin-bottom: 1em;
-}
-.confirm .address
-{
-	margin-top: .8em;
-}
-.confirm h2
-{
-	font-size: 1.1em;
-	font-weight: normal;
-	padding: 0;
-	margin: 0;
-	margin-bottom: .5em;
-	color: #333;
-}
-.confirm button
-{
-	font-size: 1.4em;
-}
-.confirm p
-{
+.confirm p {
 	margin: .2em 0;
 }
-.confirm .modify-order
-{
-	float: left;
-}
-.confirm .confirm-order
-{
-	float: right;
-}
-.confirm .payment > div
-{
-	margin-bottom: 1.4em;
-}
-.confirm .payment > .button-bar
-{
-	margin: 0;
-	margin-top: 1.8em;
-}
 
 /* Table */
 
-.confirm .debt-info
-{
+.confirm .debt-info {
 	padding: 0;
 }
-.confirm .debt-info > table
-{
+.confirm .debt-info > table {
 	border-collapse: collapse;
 }
-.confirm td
-{
+.confirm td {
 	padding: .15em 0;
 }
-.confirm .sum-total > td
-{
+.confirm .sum-total > td {
 	border-top: solid 1px #DDD;
 	font-weight: bold;
 }
-.confirm .currency
-{
+.confirm .currency {
 	text-align: right;
 }
-.confirm .credit-info
-{
+.confirm .credit-info {
 	display: none;
 }
-.confirm .exceeded-info
-{
+.confirm .exceeded-info {
 	display: none;
 	color: #E53935;
 }
@@ -88,34 +35,59 @@
 /* Pay */
 
 .confirm .amount-selector,
-.confirm .pay-methods > div
-{
+.confirm .pay-methods > div {
 	display: none;
 }
-.confirm .pay-methods > div
-{
+.confirm .pay-methods > div {
 	margin: .3em 0;
 }
-.confirm .pay-methods > div > label > input[type=radio]
-{
+.confirm .pay-methods > div > label > input[type=radio] {
 	margin: 0;
 	margin-right: .5em;
 	vertical-align: middle;
 }
-.confirm .pay-methods > div > div
-{
+.confirm .pay-methods > div > div {
 	padding: .5em 1.5em;
 	display: none;
 }
-.confirm .pay-methods > div.selected > div
-{
+.confirm .pay-methods > div.selected > div {
 	display: block;
 }
-.confirm .transfer-account
-{
+.confirm .transfer-account {
 	margin-top: .5em;
 }
-.confirm .transfer-account > p
-{
+.confirm .transfer-account > p {
 	margin: .1em 0;
 }
+
+.confirm .payment > div {
+	margin-bottom: 1.4em;
+}
+.confirm .payment > .button-bar {
+	display: flex;
+	justify-content: space-between;
+	margin-bottom: 0;
+	margin-top: 32px;
+}
+.confirm .payment > .button-bar button{
+	font-size: 1.2rem;
+	border-radius: 2rem;
+	padding: .5rem 1rem;
+	margin: 0;
+}
+.confirm .modify-order {
+	border: 1px solid #1a1a1a;
+}
+.confirm .modify-order:hover {
+	color: white;
+	background-color: #1a1a1a;
+}
+.confirm .confirm-order {
+	border: 1px solid #8cc63f;
+	background-color: #8cc63f;
+	color: white;
+}
+.confirm .confirm-order:hover {
+	background-color: transparent;
+	color: #6b5;
+}
\ No newline at end of file
diff --git a/forms/ecomerce/confirm/ui.xml b/forms/ecomerce/confirm/ui.xml
index 5ded7394..c9deba20 100644
--- a/forms/ecomerce/confirm/ui.xml
+++ b/forms/ecomerce/confirm/ui.xml
@@ -1,6 +1,6 @@
 <vn>
 <vn-group>
-	<db-form id="order-form" on-ready="onOrderReady">
+	<db-form v-model="order" on-ready="onOrderReady">
 		<db-model property="model" result-index="1">
 			CALL myBasket_getTax;
 			SELECT o.id, o.sent, o.notes, o.companyFk, 
@@ -31,181 +31,177 @@
 	<h1><t>Order summary</t></h1>
 </div>
 <div id="form" class="confirm">
-	<div class="box summary">
-		<div>
-			<div class="delivery">
-				<p>
-					<t>Delivery at</t> 
-					<htk-text format="%D" form="order-form" column="sent"/>
-				</p>
-				<p>
-					<span id="method"><t>Agency</t></span> 
-					<htk-text form="order-form" column="agency"/>
-				</p>
-			</div>
-			<div id="address" class="address">
-				<p>
-					<htk-text form="order-form" column="nickname"/>
-				</p>
-				<p>
-					<htk-text form="order-form" column="street"/>
-				</p>
-				<p>
-					<htk-text form="order-form" column="postalCode"/>, 
-					<htk-text form="order-form" column="city"/>
-				</p>
-			</div>
-		</div>
-	</div>
-	<div class="box payment">
-		<div>
-			<table class="debt-info">
-				<tbody>
-					<tr>
-						<td>
-							<t>Previous balance</t>
-						</td>
-						<td class="currency">
-							<htk-text format="%.2d€" id="debt"/>
-						</td>
-					</tr>
-					<tr>
-						<td>
-							<t>Order total</t>
-						</td>
-						<td class="currency">
-							<htk-text format="%.2d€" form="order-form" column="taxableBase"/>
-						</td>
-					</tr>
-					<tr>
-						<td>
-							<t>Order VAT</t>
-						</td>
-						<td class="currency">
-							<htk-text format="%.2d€" form="order-form" column="tax"/>
-						</td>
-					</tr>
-					<tr class="total-debt sum-total">
-						<td>
-							<t>Total debt</t>
-						</td>
-						<td class="currency">
-							<htk-text format="%.2d€" id="total-debt"/>
-						</td>
-					</tr>
-					<tr id="credit-info" class="credit-info">
-						<td>
-							<t>Credit</t>
-						</td>
-						<td class="currency">
-							<htk-text format="%.2d€" form="order-form" column="credit"/>
-						</td>
-					</tr>
-					<tr id="exceeded-info" class="exceeded-info sum-total">
-						<td>
-							<t>Exceeded credit</t>
-						</td>
-						<td class="currency">
-							<htk-text format="%.2d€" id="credit-excess"/>
-						</td>
-					</tr>
-				</tbody>
-			</table>
-		</div>
-		<div id="amount-selector" class="amount-selector">
-			<h2>
-				<t>Amount to pay</t>
-			</h2>
-			<div class="radio">
-				<htk-radio-group
-					id="pay-amount"/>
-				<div>
-					<htk-radio radio-group="pay-amount" value="ALL"/>
-					<label>
-						<t>Total debt</t>, 
-						<htk-text format="%.2d€" id="total-amount"/>
-					</label>
+	<div class="vn-w-sm">
+		<div class="box vn-pa-lg summary">
+			<div>
+				<div class="delivery">
+					<h6><t>ShippingInformation</t></h6>
+					<p>
+						<t>Delivery at</t>  {{Vn.Value.format(order.sent, _('%D'))}}
+					</p>
+					<p>
+						<span id="method"><t>Agency</t></span> {{order.agency}}
+					</p>
 				</div>
-				<div>
-					<htk-radio radio-group="pay-amount" value="EXCEEDED"/>
-					<label>
-						<t>Exceeded credit</t>, 
-						<htk-text format="%.2d€" id="excess-amount"/>
-					</label>
+				<div id="address" class="address vn-mt-md">
+					<h6><t>DeliveryAddress</t></h6>
+					<p>{{order.nickname}}</p>
+					<p>{{order.street}}</p>
+					<p>{{order.postalCode}}, {{order.city}}</p>
 				</div>
 			</div>
 		</div>
-		<div>
-			<h2>
-				<t>Pay method</t>
-			</h2>
-			<div class="pay-methods">
-				<htk-radio-group
-					id="pay-method"
-					on-changed="onPayMethodChange"/>
-				<div id="balance-method">
-					<label>
-						<htk-radio radio-group="pay-method" value="BALANCE"/>
-						<t>Use my balance</t>
-					</label>
+		<div class="box vn-pa-lg payment">
+			<div>
+				<table class="debt-info">
+					<tbody>
+						<tr>
+							<td><t>Previous balance</t></td>
+							<td class="currency">
+								<htk-text format="%.2d€" id="debt"/>
+							</td>
+						</tr>
+						<tr>
+							<td>
+								<t>Order total</t>
+							</td>
+							<td class="currency">
+								{{Vn.Value.format(order.taxableBase, _('%.2d€'))}}
+							</td>
+						</tr>
+						<tr>
+							<td>
+								<t>Order VAT</t>
+							</td>
+							<td class="currency">
+								{{Vn.Value.format(order.tax, _('%.2d€'))}}
+							</td>
+						</tr>
+						<tr class="total-debt sum-total">
+							<td>
+								<t>Total debt</t>
+							</td>
+							<td class="currency">
+								<htk-text format="%.2d€" id="total-debt"/>
+							</td>
+						</tr>
+						<tr id="credit-info" class="credit-info">
+							<td>
+								<t>Credit</t>
+							</td>
+							<td class="currency">
+								{{Vn.Value.format(order.credit, _('%.2d€'))}}
+							</td>
+						</tr>
+						<tr id="exceeded-info" class="exceeded-info sum-total">
+							<td>
+								<t>Exceeded credit</t>
+							</td>
+							<td class="currency">
+								<htk-text format="%.2d€" id="credit-excess"/>
+							</td>
+						</tr>
+					</tbody>
+				</table>
+			</div>
+			<div id="amount-selector" class="amount-selector">
+				<h2>
+					<t>Amount to pay</t>
+				</h2>
+				<div class="radio">
+					<htk-radio-group
+						id="pay-amount"/>
 					<div>
-						<t>You have a favorable balance.</t>
+						<htk-radio radio-group="pay-amount" value="ALL"/>
+						<label>
+							<t>Total debt</t>, 
+							<htk-text format="%.2d€" id="total-amount"/>
+						</label>
 					</div>
-				</div>
-				<div id="credit-method">
-					<label>
-						<htk-radio radio-group="pay-method" value="CREDIT"/>
-						<t>Use my credit</t>
-					</label>
 					<div>
-						<t>You have a favorable credit.</t>
+						<htk-radio radio-group="pay-amount" value="EXCEEDED"/>
+						<label>
+							<t>Exceeded credit</t>, 
+							<htk-text format="%.2d€" id="excess-amount"/>
+						</label>
 					</div>
 				</div>
-				<div id="card-method">
-					<label>
-						<htk-radio radio-group="pay-method" value="CARD"/>
-						<t>Credit card</t>
-					</label>
-					<div>
-						<t>You will be redirected to the payment.</t>
-					</div>
-				</div>
-				<div id="transfer-method">
-					<label>
-						<htk-radio radio-group="pay-method" value="TRANSFER"/>
-						<t>Bank Transfer</t>
-					</label>
-					<div>
-						<t>Make a transfer to one account.</t>
-						<htk-repeater form-id="iter">
-							<db-model property="model">
-								SELECT name, iban FROM mainAccountBank	
-							</db-model>
-							<custom>
-								<div class="transfer-account">
-									<p><htk-text form="iter" column="name"/></p>
-									<p><htk-text form="iter" column="iban"/></p>
-								</div>
-							</custom>
-						</htk-repeater>
-					</div>
-				</div>
-				<div id="later-method">
-					<label>
-						<htk-radio radio-group="pay-method" value="LATER"/>
-						<t>Pay later</t>
-					</label>
-				</div>
 			</div>
-		</div>
-		<div class="button-bar">
-			<button on-click="onModifyClick" id="modify" class="thin modify-order">
-				<t>Modify</t>
-			</button>
-			<button on-click="onConfirmClick" id="confirm" class="thin confirm-order">
-				<t>Confirm</t>
-			</button>
-			<div class="clear"/>
+			<div>
+				<h6><t>Pay method</t></h6>
+				<div class="pay-methods">
+					<htk-radio-group
+						id="pay-method"
+						on-changed="onPayMethodChange"/>
+					<div id="balance-method">
+						<label>
+							<htk-radio radio-group="pay-method" value="BALANCE"/>
+							<t>Use my balance</t>
+						</label>
+						<div>
+							<t>You have a favorable balance.</t>
+						</div>
+					</div>
+					<div id="credit-method">
+						<label>
+							<htk-radio radio-group="pay-method" value="CREDIT"/>
+							<t>Use my credit</t>
+						</label>
+						<div>
+							<t>You have a favorable credit.</t>
+						</div>
+					</div>
+					<div id="card-method">
+						<label>
+							<htk-radio radio-group="pay-method" value="CARD"/>
+							<t>Credit card</t>
+						</label>
+						<div>
+							<t>You will be redirected to the payment.</t>
+						</div>
+					</div>
+					<div id="transfer-method">
+						<label>
+							<htk-radio radio-group="pay-method" value="TRANSFER"/>
+							<t>Bank Transfer</t>
+						</label>
+						<div>
+							<t>Make a transfer to one account.</t>
+							<htk-repeater form-id="iter">
+								<db-model property="model">
+									SELECT name, iban FROM mainAccountBank	
+								</db-model>
+								<custom>
+									<div class="transfer-account">
+										<p>{{iter.name}}</p>
+										<p>{{iter.iban}}</p>
+									</div>
+								</custom>
+							</htk-repeater>
+						</div>
+					</div>
+					<div id="later-method">
+						<label>
+							<htk-radio radio-group="pay-method" value="LATER"/>
+							<t>Pay later</t>
+						</label>
+					</div>
+				</div>
+			</div>
+			<div class="button-bar vn-mt-md">
+				<button
+					id="modify"
+					on-click="this.onModifyClick()"
+					class="modify-order">
+					<t>Modify</t>
+				</button>
+				<button
+					id="confirm"
+					on-click="this.onConfirmClick()"
+					class="confirm-order">
+					<t>Confirm</t>
+				</button>
+			</div>
 		</div>
 	</div>
 </div>
diff --git a/forms/ecomerce/invoices/invoices.js b/forms/ecomerce/invoices/invoices.js
index 8a052e92..c1d4c73b 100644
--- a/forms/ecomerce/invoices/invoices.js
+++ b/forms/ecomerce/invoices/invoices.js
@@ -3,9 +3,9 @@ Hedera.Invoices = new Class({
 	Extends: Hedera.Form,
 	
 	donwloadRenderer: function(column, invoice) {
-		var invoiceId = invoice.get('id');
+		var invoiceId = invoice.$.id;
 
-		if (invoice.get('hasPdf') && invoiceId) {
+		if (invoice.$.hasPdf && invoiceId) {
 			var params = {
 				srv: 'rest:dms/invoice',
 				invoice: invoiceId,
diff --git a/forms/ecomerce/invoices/style.css b/forms/ecomerce/invoices/style.css
index 35acf384..e69de29b 100644
--- a/forms/ecomerce/invoices/style.css
+++ b/forms/ecomerce/invoices/style.css
@@ -1,14 +0,0 @@
-.invoices
-{
-	padding: 1em;
-}
-.invoices .box
-{
-	max-width: 40em;
-}
-.invoices .box > .header,
-.invoices .htk-grid > thead > tr
-{
-	background-color: #3F51B6;
-}
-
diff --git a/forms/ecomerce/invoices/ui.xml b/forms/ecomerce/invoices/ui.xml
index 5e9b5e05..e69a3ce7 100644
--- a/forms/ecomerce/invoices/ui.xml
+++ b/forms/ecomerce/invoices/ui.xml
@@ -3,9 +3,9 @@
 	<h1><t>Invoices</t></h1>
 </div>
 <div id="form" class="invoices">
-	<div class="box">
-	<div>
-	<htk-grid show-header="false">
+	<htk-grid
+		class="box vn-w-sm"
+		show-header="false">
 		<db-model property="model" id="tickets">
 			SELECT id, ref, issued, amount, hasPdf
 				FROM myInvoice
@@ -19,7 +19,5 @@
 			renderer="donwloadRenderer"
 			target="_blank"/>
 	</htk-grid>
-	</div>
-	</div>
 </div>
 </vn>
diff --git a/forms/ecomerce/orders/orders.js b/forms/ecomerce/orders/orders.js
index 5f7d4078..47346e9d 100644
--- a/forms/ecomerce/orders/orders.js
+++ b/forms/ecomerce/orders/orders.js
@@ -3,23 +3,26 @@ Hedera.Orders = new Class({
 	Extends: Hedera.Form,
 
 	activate: function() {
-		this.tpv = new Hedera.Tpv({conn: this.conn});
+		this.tpv = new Hedera.Tpv({
+			conn: this.conn,
+			hash: this.hash
+		});
 		this.tpv.check(this._onTpvCheck.bind(this));
 	},
 	
 	_onTpvCheck: function(tpv, tpvOrder, tpvStatus) {
 		if (tpvStatus === 'ko')
-			this.$('error-dialog').show();
+			this.$.errorDialog.show();
 	},
 
 	onBasketClick: function() {
-		this.hash.set({form: 'ecomerce/basket'});
+		this.hash.setAll({form: 'ecomerce/basket'});
 	},
 	
 	repeaterFunc: function(res, form) {
-		res.$('link').href = this.hash.make({
+		res.$.link.href = this.hash.make({
 			form: 'ecomerce/ticket',
-			ticket: form.get('id')
+			ticket: form.$.id
 		});
 	},
 
@@ -27,13 +30,13 @@ Hedera.Orders = new Class({
 	
 	balanceConditionalFunc: function(field, value) {
 		if (value >= 0)
-			Vn.Node.removeClass(this.$('balance'), 'negative');
+			Vn.Node.removeClass(this.$.balance, 'negative');
 		else
-			Vn.Node.addClass(this.$('balance'), 'negative');
+			Vn.Node.addClass(this.$.balance, 'negative');
 	},
 	
 	onPayButtonClick: function() {
-		var amount = -this.$('debt').value;
+		var amount = -this.$.debt.value;
 		amount = amount <= 0 ? null : amount;
 
 		var defaultAmountStr = '';
diff --git a/forms/ecomerce/orders/style.css b/forms/ecomerce/orders/style.css
index c4d325a7..56776b17 100644
--- a/forms/ecomerce/orders/style.css
+++ b/forms/ecomerce/orders/style.css
@@ -1,73 +1,36 @@
-.orders
-{
-	padding: 1em;
-}
-.orders .box
-{
-	max-width: 25em;
-}
 
-/* Balance */
-
-.balance
-{
-	margin-top: 1.2em;
-	margin-right: .5em;
+.balance {
+	margin-right: 8px;
 }
-.balance > *
-{
+.balance > * {
 	vertical-align: middle;
 }
-.balance > .amount
-{
+.balance > .amount {
 	color: white;
-	padding: 0.3em;
+	padding: .3em;
 }
-.balance > .info
-{
+.balance > .info {
 	display: inline;
 	cursor: pointer;
 	height: 1.2em;
 	cursor: pointer;
 }
-.balance > .negative
-{
+.balance > .negative {
 	background-color: #EF5350;
-	border-radius: 0.1em;
-	box-shadow: 0 0 0.4em #666;
+	border-radius: .1em;
+	box-shadow: 0 0 .4em #666;
 }
-.balance-popup
-{
+.balance-popup {
 	width: 25em;
 }
-.balance-grid
-{
+.balance-grid {
 	width: 100%;
 	margin: auto;
 }
 
 /* List */
 
-.orders .item
-{
-	display: block;
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.orders .item:hover
-{
-	background-color: rgba(1, 1, 1, 0.05);
-}
-.orders .item > p
-{
-	margin: .1em 0;
-}
-.orders .item > p.important
-{
-	font-size: 1.2em;
-}
-.orders .item > p.total
-{
+.orders .htk-list .total {
 	float: right;
 }
 
diff --git a/forms/ecomerce/orders/ui.xml b/forms/ecomerce/orders/ui.xml
index e64c70e0..9d83e3c5 100644
--- a/forms/ecomerce/orders/ui.xml
+++ b/forms/ecomerce/orders/ui.xml
@@ -3,17 +3,6 @@
 	<h1><t>LastOrders</t></h1>
 </div>
 <div id="actions">
-	<htk-bar-button
-		icon="basket"
-		tip="_ShoppingBasket"
-		show-text="false"
-		on-click="onBasketClick"/>
-	<htk-bar-button
-		id="pay-button"
-		icon="pay"
-		tip="_MakePayment"
-		show-text="false"
-		on-click="onPayButtonClick"/>
 	<div class="balance">
 		<span class="label">
 			<t>Balance:</t>
@@ -25,50 +14,50 @@
 				column="debt">
 				<db-form property="form">
 					<db-model property="model">
-						<custom>
-							SELECT -myClient_getDebt(NULL) debt
-						</custom>
+						SELECT -myClient_getDebt(NULL) debt
 					</db-model>
 				</db-form>
 			</htk-text>
-		</span>
-		<img
-			src="image/icon/dark/info.svg"
+		</span> 
+		<htk-icon
+			name="info"
 			title="_PaymentInfo"
-			class="info"
-			alt="Info"/>
+			class="info"/>
 	</div>
+	<htk-bar-button
+		id="pay-button"
+		icon="payments"
+		tip="_MakePayment"
+		on-click="onPayButtonClick"/>
+	<htk-bar-button
+		icon="shopping_cart"
+		tip="_ShoppingBasket"
+		on-click="onBasketClick"/>
 </div>
 <div id="form" class="orders">
-	<div class="box confirmed">
-		<htk-repeater form-id="iter" renderer="repeaterFunc">
-			<db-model property="model" id="tickets">
-				<custom>
-					CALL myTicket_list (NULL, NULL);
-				</custom>
-			</db-model>
-			<custom>
-				<a id="link" class="item" title="_SeeOrder">
+	<htk-repeater
+		class="htk-list box confirmed vn-w-sm"
+		form-id="iter"
+		renderer="repeaterFunc">
+		<db-model property="model" id="tickets">
+			CALL myTicket_list(NULL, NULL);
+		</db-model>
+		<custom>
+			<a id="link" class="item" title="{{_('SeeOrder')}}">
+				<div class="content">
 					<p class="important total">
-						<htk-text form="iter" column="total" format="%.2d€"/>
+						{{Vn.Value.format(iter.total, '%.2d€')}}
 					</p>
 					<p class="important">
-						<htk-text form="iter" column="landed" format="%D"/>
+						{{Vn.Value.format(iter.landed, '%D')}}
 					</p>
-					<p>
-						#<htk-text form="iter" column="id"/>
-					</p>
-					<p>
-						<htk-text form="iter" column="nickname"/>
-					</p>
-					<p>
-						<htk-text form="iter" column="agency"/>
-					</p>
-					<div class="clear"/>
-				</a>
-			</custom>
-		</htk-repeater>
-	</div>
+					<p>#{{iter.id}}</p>
+					<p>{{iter.nickname}}</p>
+					<p>{{iter.agency}}</p>
+				</div>
+			</a>
+		</custom>
+	</htk-repeater>
 </div>
 <htk-dialog
 	id="error-dialog"
diff --git a/forms/ecomerce/ticket/locale/ca.yml b/forms/ecomerce/ticket/locale/ca.yml
index c0141846..680bc6d6 100644
--- a/forms/ecomerce/ticket/locale/ca.yml
+++ b/forms/ecomerce/ticket/locale/ca.yml
@@ -1,4 +1,6 @@
 OrderDetail: Detall de l'encarrec
+ShippingInformation: Dades d'enviament
+DeliveryAddress: Adreça de lliurament
 Print delivery note: Imprimir albarà
 Agency: Agència
 Warehouse: Magatzem
diff --git a/forms/ecomerce/ticket/locale/en.yml b/forms/ecomerce/ticket/locale/en.yml
index 01412c9e..ae229f20 100644
--- a/forms/ecomerce/ticket/locale/en.yml
+++ b/forms/ecomerce/ticket/locale/en.yml
@@ -1,4 +1,6 @@
 OrderDetail: Order detail
+ShippingInformation: Shipping information
+DeliveryAddress: Delivery address
 Print delivery note: Print delivery note
 Agency: Agency
 Warehouse: Store
diff --git a/forms/ecomerce/ticket/locale/es.yml b/forms/ecomerce/ticket/locale/es.yml
index 627786d3..f798dc7e 100644
--- a/forms/ecomerce/ticket/locale/es.yml
+++ b/forms/ecomerce/ticket/locale/es.yml
@@ -1,4 +1,6 @@
 OrderDetail: Detalle del pedido
+ShippingInformation: Datos de envío
+DeliveryAddress: Dirección de entrega
 Print delivery note: Imprimir albarán
 Agency: Agencia
 Warehouse: Almacén
diff --git a/forms/ecomerce/ticket/locale/fr.yml b/forms/ecomerce/ticket/locale/fr.yml
index 6345329e..74cc068a 100644
--- a/forms/ecomerce/ticket/locale/fr.yml
+++ b/forms/ecomerce/ticket/locale/fr.yml
@@ -1,4 +1,6 @@
 OrderDetail: Détails de la commande
+ShippingInformation: Informations sur la livraison
+DeliveryAddress: Addresse de livraison
 Print delivery note: Imprimer bulletin de livraison
 Agency: Agence
 Warehouse: Entrepôt
diff --git a/forms/ecomerce/ticket/locale/pt.yml b/forms/ecomerce/ticket/locale/pt.yml
index 2399b4fb..64bca977 100644
--- a/forms/ecomerce/ticket/locale/pt.yml
+++ b/forms/ecomerce/ticket/locale/pt.yml
@@ -1,4 +1,6 @@
 OrderDetail: Detalhes da encomenda
+ShippingInformation: Dados de envio
+DeliveryAddress: Endereço de entrega
 Print delivery note: Imprimir nota de entrega
 Agency: Agência
 Warehouse: Armazém
diff --git a/forms/ecomerce/ticket/style.css b/forms/ecomerce/ticket/style.css
index 9fecbb6f..76aed3ac 100644
--- a/forms/ecomerce/ticket/style.css
+++ b/forms/ecomerce/ticket/style.css
@@ -1,47 +1,29 @@
-.ticket
-{
-	padding: 1em;
-}
-.ticket .box
-{
-	max-width: 30em;
-	margin: 0 auto;
-	padding: 2em;
-	color: #333;
-}
 
 /* Header */
 
-.ticket .head
-{
+.ticket .head {
 	padding: 0;
 	padding-bottom: .2em;
 	border-bottom: 1px solid #DDD;
 	margin-bottom: 1em;
 }
-.ticket .address,
-.ticket .total
-{
-	margin-top: .8em;
+.ticket .head > div > div {
+	margin: 15px 0;
 }
-.ticket .head > div
-{
-	padding-bottom: .8em;
+.ticket .head > div > div:first-child {
+	margin: 0;
 }
-.ticket .head p
-{
-	margin: .2em;
+.ticket .head p {
+	margin: .2em 0;
 }
-.ticket .head p.important
-{
-	font-size: 1.4em;
+.ticket .head p.important {
+	font-size: 1.2rem;
+	font-weight: bold;
 }
-.ticket .total
-{
+.ticket .total {
 	text-align: right;
 }
-.ticket .packages
-{
+.ticket .packages {
 	margin-top: 1em;
 	padding-top: 1em;
 	border-top: 1px solid #DDD;
@@ -50,47 +32,42 @@
 
 /* Lines */
 
-.ticket .line
-{
-	padding: .5em 0;
+.ticket .line {
+	display: flex;
+	gap: 20px;
+	margin: 24px 0;
+	height: 65px;
 }
-.ticket .line > .photo
-{
-	margin-right: 1em;
-	float: left;
+.ticket .line:last-child {
+	margin-bottom: 0;
+}
+.ticket .line > .photo {
+	flex: none;
 	border-radius: 50%;
-	height: 4.25em;
-	width: 4.25em;
+	width: 65px;
 }
-.ticket .line > .info
-{
-	margin-left: 5.25em;
+.ticket .line > .info {
+	flex: 1;
 }
-.ticket .line > .info > h2
-{
+.ticket .line > .info > h2 {
 	font-size: 1em;
 	font-weight: normal;
 	padding: 0;
 	padding-bottom: .1em;
 }
-.ticket .line > .info > p
-{
+.ticket .line > .info > p {
 	margin: 0;
 }
-.ticket .line > .info > .tags
-{
+.ticket .line > .info > .tags {
 	color: #777;
 }
-.ticket .line > .info .discount
-{
+.ticket .line > .info .discount {
 	color: green;
 }
-.ticket .line > .info > .amount
-{
+.ticket .line > .info > .amount {
 	float: left;
 }
-.ticket .line > .info > .subtotal
-{
+.ticket .line > .info > .subtotal {
 	float: right;
 }
 
diff --git a/forms/ecomerce/ticket/ticket.js b/forms/ecomerce/ticket/ticket.js
index 5765a10d..eefbc435 100644
--- a/forms/ecomerce/ticket/ticket.js
+++ b/forms/ecomerce/ticket/ticket.js
@@ -6,16 +6,8 @@ Hedera.Ticket = new Class({
 		if (!ticket.value)
 			return;
 
-		var batch = new Sql.Batch();
-		batch.addValue('ticket', ticket.value);
-		this.conn.execQuery('CALL myTicket_logAccess(#ticket)', null, batch);
-	},
-
-	onTicketReady: function(form) {
-		if (form.get('method') != 'PICKUP')
-			Vn.Node.setText(this.$('method'), _('Agency'));
-		else
-			Vn.Node.setText(this.$('method'), _('Warehouse'));
+		var params = {ticket: ticket.value};
+		this.conn.execQuery('CALL myTicket_logAccess(#ticket)', null, params);
 	},
 
 	onPrintClick: function() {
@@ -24,36 +16,29 @@ Hedera.Ticket = new Class({
 			recipientId: this.gui.user.id,
 			type: 'deliveryNote'
 		});
-		window.open(`/api/Tickets/${this.$('ticket-id').value}/delivery-note-pdf?${params}`);
+		window.open(`/api/Tickets/${this.hash.$.ticket}/delivery-note-pdf?${params}`);
 	},
 
-	repeaterFunc: function(res, form) {
-		var discount = res.$('discount');
-		discount.style.display = form.get('discount') ? 'inline' : 'none';
-		res.$('discount-subtotal').value = this.discountSubtotal(form);
-		res.$('subtotal').value = this.subtotal(form);
+	repeaterFunc: function(scope, form) {
+		scope.$.discount.style.display = form.$.discount ? 'inline' : 'none';
 	},
 
-	discountSubtotal: function(form) {
-		return form.get('quantity') * form.get('price');
+	discountSubtotal: function(line) {
+		return line.quantity * line.price;
 	},
 
-	subtotal: function(form) {
-		var discount = form.get('discount');
-		return this.discountSubtotal(form) * ((100 - discount) / 100);
-	},
-	
-	servicesFunc: function(res, form) {
-		res.$('subtotal').value = form.get('quantity') * form.get('price');
+	subtotal: function(line) {
+		var discount = line.discount;
+		return this.discountSubtotal(line) * ((100 - discount) / 100);
 	},
 
 	onServicesChanged: function(model) {
-		this.$('services').node.style.display =
+		this.$.services.node.style.display =
 			model.numRows > 0 ? 'block' : 'none';
 	},
 
 	onPackagesChanged: function(model) {
-		this.$('packages').node.style.display =
+		this.$.packages.node.style.display =
 			model.numRows > 0 ? 'block' : 'none';
 	},
 });
diff --git a/forms/ecomerce/ticket/ui.xml b/forms/ecomerce/ticket/ui.xml
index c14ff6fa..000b6efb 100644
--- a/forms/ecomerce/ticket/ui.xml
+++ b/forms/ecomerce/ticket/ui.xml
@@ -1,18 +1,10 @@
 <vn>
-<vn-group>
-	<vn-param id="ticket-id" on-changed="onTicketChange"/>
-	<vn-hash-param key="ticket" param="ticket-id"/>
-	<sql-batch id="batch">
-		<custom>
-			<item name="ticket" param="ticket-id"/>
-		</custom>
-	</sql-batch>
-	<db-form id="ticket" on-ready="onTicketReady">
-		<db-model id="ticket-data" property="model" batch="batch">
-			CALL myTicket_get(#ticket)
-		</db-model>
-	</db-form>
-</vn-group>
+<vn-lot-query id="params">
+	<vn-spec name="ticket" type="Number"/>
+</vn-lot-query>
+<db-lot id="ticket-form" lot="params" v-model="ticket">
+	CALL myTicket_get(#ticket)
+</db-lot>
 <div id="title">
 	<h1><t>OrderDetail</t></h1>
 </div>
@@ -20,46 +12,36 @@
 	<htk-bar-button
 		icon="print"
 		tip="_Print delivery note"
-		on-click="onPrintClick"/>
+		on-click="this.onPrintClick()"/>
 </div>
 <div id="form" class="ticket">
-	<div class="box">
-		<htk-loader class="head" form="ticket">
+	<div class="box vn-w-sm vn-pa-lg">
+		<htk-loader class="head" form="ticket-form">
+			<h5>#{{ticket.id}}</h5>
 			<div>
-				<p class="important ticket-id">
-					#<htk-text column="id" form="ticket"/>
+				<h6><t>ShippingInformation</t></h6>
+				<p>
+					<t>Preparation</t> {{Vn.Value.format(ticket.shipped, '%D')}}
 				</p>
 				<p>
-					<t>Preparation</t> <htk-text form="ticket" column="shipped" format="%D"/>
+					<t>Delivery</t> {{Vn.Value.format(ticket.landed, '%D')}}
 				</p>
 				<p>
-					<t>Delivery</t> <htk-text form="ticket" column="landed" format="%D"/>
-				</p>
-				<p>
-					<span id="method"></span> <htk-text form="ticket" column="agency"/>
+					{{_(ticket.method != 'PICKUP' ? 'Agency' : 'Warehouse')}} {{ticket.agency}}
 				</p>
 			</div>
 			<div class="address">
-				<p>
-					<htk-text form="ticket" column="nickname"/>
-				</p>
-				<p>
-					<htk-text form="ticket" column="street"/>
-				</p>
-				<p>
-					<htk-text form="ticket" column="postalCode"/> 
-					<htk-text form="ticket" column="city"/> 
-					(<htk-text form="ticket" column="province"/>)
-				</p>
+				<h6><t>DeliveryAddress</t></h6>
+				<p>{{ticket.nickname}}</p>
+				<p>{{ticket.street}}</p>
+				<p>{{ticket.postalCode}} {{ticket.city}} ({{ticket.province}})</p>
 			</div>
 			<div class="total">
 				<p class="important total">
-					<t>Total</t> 
-					<htk-text format="%.2d€" form="ticket" column="taxBase"/>
+					<t>Total</t> {{Vn.Value.format(ticket.taxBase, '%.2d€')}}
 				</p>
 				<p class="important total">
-					<t>Total + tax</t> 
-					<htk-text format="%.2d€" form="ticket" column="total"/>
+					<t>Total + tax</t> {{Vn.Value.format(ticket.total, '%.2d€')}}
 				</p>
 			</div>
 		</htk-loader>
@@ -67,63 +49,53 @@
 			<db-model
 				property="model"
 				id="movements"
-				batch="batch">
+				lot="params">
 				CALL myTicket_getRows(#ticket)
 			</db-model>
 			<custom>
 				<div class="line">
 					<htk-image
-						form="iter"
-						column="image"
+						value="{{iter.image}}"
 						stamp-column="updated"
 						class="photo"
 						directory="catalog"
 						subdir="200x200"
 						full-dir="1600x900"/>
 					<div class="info">
-						<h2>
-							<htk-text form="iter" column="concept"/> 
-						</h2>
+						<h2>{{iter.concept}}</h2>
 						<p class="tags">
-							<htk-text form="iter" column="value5"/> 
-							<htk-text form="iter" column="value6"/> 
-							<htk-text form="iter" column="value7"/>
+							{{iter.value5}} {{iter.value6}} {{iter.value7}}
 						</p>
 						<p class="amount">
-							<htk-text form="iter" column="quantity"/> x
-							<htk-text form="iter" column="price" format="%.2d€"/>
+							{{iter.quantity}} x {{Vn.Value.format(iter.price, '%.2d€')}}
 						</p>
 						<p class="subtotal">
 							<span class="discount" id="discount">
-								<htk-text id="discount-subtotal" format="%.2d€"/> - 
-								<htk-text form="iter" column="discount" format="%.0d%"/> = 
+								{{Vn.Value.format(this.discountSubtotal(iter), '%.2d€')}} - 
+								{{Vn.Value.format(iter.discount, '%.0d%')}} = 
 							</span>
-							<htk-text id="subtotal" format="%.2d€"/>
+							{{Vn.Value.format(this.subtotal(iter), '%.2d€')}}
 						</p>
 					</div>
-					<div class="clear"/>
 				</div>
 			</custom>
 		</htk-repeater>
-		<htk-repeater form-id="iter" id="services" class="packages" renderer="servicesFunc">
+		<htk-repeater form-id="iter" id="services" class="packages">
 			<db-model
 				property="model"
 				on-status-changed="onServicesChanged"
-				batch="batch">
+				lot="params">
 				CALL myTicket_getServices(#ticket)
 			</db-model>
 			<custom>
 				<div class="line">
 					<div class="info">
-						<h2>
-							<htk-text form="iter" column="description"/>
-						</h2>
+						<h2>{{iter.description}}</h2>
 						<p class="amount">
-							<htk-text form="iter" column="quantity"/> x
-							<htk-text form="iter" column="price" format="%.2d€"/>
+							{{iter.quantity}} x {{Vn.Value.format(iter.price, '%.2d€')}}
 						</p>
 						<p class="subtotal">
-							<htk-text id="subtotal" format="%.2d€"/>
+							{{Vn.Value.format(iter.quantity * iter.price, '%.2d€')}}
 						</p>
 					</div>
 					<div class="clear"/>
@@ -134,28 +106,21 @@
 			<db-model
 				property="model"
 				on-status-changed="onPackagesChanged"
-				batch="batch">
+				lot="params">
 				CALL myTicket_getPackages(#ticket)
 			</db-model>
 			<custom>
 				<div class="line">
 					<htk-image
-						form="iter"
-						column="image"
+						value="{{iter.image}}"
 						class="photo"
 						directory="catalog"
 						subdir="200x200"
 						full-dir="1600x900"/>
 					<div class="info">
-						<h2>
-							<htk-text form="iter" column="name"/>
-						</h2>
-						<p>
-							#<htk-text form="iter" column="id"/>
-						</p>
-						<p class="amount">
-							<htk-text form="iter" column="quantity"/>
-						</p>
+						<h2>{{iter.name}}</h2>
+						<p>#{{iter.id}}</p>
+						<p class="amount">{{iter.quantity}}</p>
 					</div>
 					<div class="clear"/>
 				</div>
diff --git a/forms/news/new/new.js b/forms/news/new/new.js
index 99a3466b..9581a1a1 100644
--- a/forms/news/new/new.js
+++ b/forms/news/new/new.js
@@ -7,13 +7,12 @@ Hedera.New = new Class({
 	,editor: null
 
 	,activate: function() {
-		this.$('model').mode = Db.Model.Mode.ON_DEMAND;
-		this.$('model').setDefault('userFk', 'news',
+		this.$.model.mode = Db.Model.Mode.ON_DEMAND;
+		this.$.model.setDefault('userFk', 'news',
 			new Sql.Function({schema: 'account', name: 'myUser_getId'}));
 
 		tinymce.init({
-			 mode : 'exact'
-			,target: this.$('html-editor')
+			 target: this.$.htmlEditor
 			,plugins: [
 				 "advlist autolink lists link image charmap print preview hr"
 				,"anchor pagebreak searchreplace wordcount visualblocks"
@@ -29,7 +28,7 @@ Hedera.New = new Class({
 				+" | forecolor backcolor"
 			,image_advtab: true
 			,init_instance_callback: this._onEditorInit.bind(this)
-		});	
+		});
 	},
 	
 	deactivate: function() {
@@ -46,17 +45,13 @@ Hedera.New = new Class({
 		if (!this.editor)
 			return;
 	
-		var newHtml = this.$('iter').get('text');
-		
-		if (!newHtml)
-			newHtml = '';
-		
-		this.editor.setContent(newHtml);
+		const row = this.$.iter.$;
+		this.editor.setContent(row ? row.text : '');
 	},
 
-	onStatusChange: function(form) {
-		if (this.$('new-id').value == 0)
-			form.insertRow();
+	onStatusChange: function() {
+		if (!this.hash.$.new)
+			this.$.iter.insertRow();
 	},
 	
 	onOperationsDone: function() {
@@ -69,12 +64,12 @@ Hedera.New = new Class({
 	},
 
 	onAcceptClick: function() {
-		this.$('iter').set('text', this.editor.getContent());
-		this.$('iter').performOperations();
+		this.$.iter.set('text', this.editor.getContent());
+		this.$.iter.performOperations();
 	},
-	
+
 	onReturnClick: function() {
-		this.hash.set({'form': 'news/news'});
+		this.hash.setAll({form: 'news/news'});
 	}
 });
 });
diff --git a/forms/news/new/style.css b/forms/news/new/style.css
index 85608368..e08051ce 100644
--- a/forms/news/new/style.css
+++ b/forms/news/new/style.css
@@ -1,24 +1,26 @@
-
-.new
-{
-	padding: 1em;
+.new .box {
+	position: relative;
 }
-.new .box
-{
-	max-width: 38em;
-	padding: 2em;
+.new .htk-image {
+	height: 100px;
+	overflow: hidden;
+	border-bottom: 1px solid #ddd;
 }
-
-/* Form */
-
-.new textarea
-{
-	min-height: 20em;
+.new .htk-image > button {
+	display: block;
 }
-
-.new .foot
-{
-	text-align: center;
-	margin-top: 1em;
+.new .htk-image > img {
+	margin-top: -40%;
+	width: 100%;
+	height: initial;
+}
+.new .tag-priority {
+	display: flex;
+	gap: 16px;
+}
+.new .tag-priority > *{
+	flex: 1;
+}
+.new textarea {
+	min-height: 500px;
 }
-
diff --git a/forms/news/new/ui.xml b/forms/news/new/ui.xml
index 8ee6ecc9..54014e7f 100644
--- a/forms/news/new/ui.xml
+++ b/forms/news/new/ui.xml
@@ -1,60 +1,61 @@
 <vn>
 <vn-group>
-	<vn-param id="new-id"/>
-	<vn-hash-param key="new" param="new-id"/>
-	<db-form id="iter" on-status-changed="onStatusChange">
+	<db-form id="iter" on-status-changed="this.onStatusChange()">
 		<db-model
 			id="model"
 			property="model"
 			updatable="true"
-			on-operations-done="onOperationsDone">
-			<custom>
-				SELECT id, title, text, tag, priority
-					FROM news WHERE id = #new
-			</custom>
-			<sql-batch property="batch">
-				<custom>
-					<item name="new" param="new-id"/>
-				</custom>
-			</sql-batch>
+			lot="hash"
+			on-operations-done="this.onOperationsDone()">
+			SELECT id, title, text, tag, priority, image
+				FROM news WHERE id = #new
 		</db-model>
 	</db-form>
-	<db-param form="iter" column="text" on-changed="onBodyChange"/>
+	<db-param form="iter" column="text" on-changed="this.onBodyChange()"/>
 </vn-group>
 <div id="title">
 	<h1><t>AddEditNew</t></h1>
 </div>
 <div id="actions">
-	<htk-bar-button
-		icon="ok"
-		tip="_Accept"
-		on-click="onAcceptClick"/>
 	<htk-bar-button
 		icon="close"
 		tip="_Return"
-		on-click="onReturnClick"/>
+		on-click="this.onReturnClick()"/>
+	<htk-bar-button
+		icon="check"
+		tip="_Accept"
+		on-click="this.onAcceptClick()"/>
 </div>
 <div id="form" class="new">
-	<div class="box">
-		<div class="form">
+	<div class="box form vn-w-sm">
+		<htk-image
+			form="iter"
+			column="image"
+			class="photo"
+			directory="news"
+			subdir="full"
+			full-dir="full"
+			editable="true"
+			conn="conn"/>
+		<div class="vn-pa-lg">
 			<div class="form-group">
 				<label><t>Title</t></label>
 				<htk-entry form="iter" column="title"/>
 			</div>
-			<div class="form-group">
-				<label><t>Tag</t></label>
-				<htk-combo form="iter" column="tag">
-					<db-model property="model">
-						<custom>
+			<div class="form-group tag-priority">
+				<div>
+					<label><t>Tag</t></label>
+					<htk-combo form="iter" column="tag">
+						<db-model property="model">
 							SELECT name, description FROM newsTag
 								ORDER BY description
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Priority</t></label>
-				<htk-entry form="iter" column="priority"/>
+						</db-model>
+					</htk-combo>
+				</div>
+				<div>
+					<label><t>Priority</t></label>
+					<htk-entry form="iter" column="priority"/>
+				</div>
 			</div>
 			<div class="form-group">
 				<label><t>NewBody</t></label>
diff --git a/forms/news/news/news.js b/forms/news/news/news.js
index 9da4dc08..c6707724 100644
--- a/forms/news/news/news.js
+++ b/forms/news/news/news.js
@@ -1,30 +1,29 @@
 
-Hedera.News = new Class
-({
+Hedera.News = new Class({
 	Extends: Hedera.Form
 
-	,editNew: function (newId)
-	{
-		this.hash.set ({
-			'form': 'news/new'
-			,'new': newId
+	,activate: function() {
+		this.$.newsModel.setInfo('n', 'news', 'hedera', ['id'], 'id');
+	}
+
+	,editNew: function(newId) {
+		this.hash.setAll({
+			form: 'news/new',
+			new: newId
 		});
 	}
 
-	,onEditClick: function (button, form)
-	{
-		this.editNew (button.value);
+	,onEditClick: function(newId) {
+		this.editNew(newId);
 	}
 
-	,onDeleteClick: function (button, form)
-	{
-		if (confirm (_('ReallyDelete')))
-			form.deleteRow ();
+	,onDeleteClick: function(form) {
+		if (confirm(_('ReallyDelete')))
+			form.deleteRow();
 	}
 	
-	,onAddClick: function ()
-	{
-		this.editNew (0);
+	,onAddClick: function() {
+		this.editNew(0);
 	}
 });
 
diff --git a/forms/news/news/style.css b/forms/news/news/style.css
index b1412acb..78f9dd40 100644
--- a/forms/news/news/style.css
+++ b/forms/news/news/style.css
@@ -1,41 +1,6 @@
-.news
-{
-	padding: 1em;
-}
-.news .box
-{
-	max-width: 35em;
-	margin: 0 auto;
-}
 
-/* Items */
-
-.news .item
-{
-	padding: 1em;
-	border-bottom: 1px solid #DDD;
-}
-.news .item > p
-{
-	margin: .1em 0;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-	overflow: hidden;
-}
-.news .item > p.important
-{
-	font-size: 1.2em;
-}
-.news .item > .photo
-{
-	float: left;
-	margin-right: 1em;
-	height: 4.2em;
-	width: 4.2em;
-	border-radius: .3em;
-}
-.news .item > button
-{
-	float: right;
-	margin: 0;
+.news .item .photo {
+	height: 80px;
+	width: 80px;
+	border-radius: 10px;
 }
diff --git a/forms/news/news/ui.xml b/forms/news/news/ui.xml
index 0cde1a0a..d9c5d436 100644
--- a/forms/news/news/ui.xml
+++ b/forms/news/news/ui.xml
@@ -6,35 +6,25 @@
 	<htk-bar-button
 		icon="add"
 		tip="_AddNew"
-		on-click="onAddClick"/>
+		on-click="hash.setAll({form: 'news/new', new: null})"/>
 </div>
 <div id="form" class="news">
-	<div class="box">
-		<htk-repeater form-id="iter">
-			<db-model property="model" id="news-model" updatable="true">
-				<custom>
-					SELECT n.id, u.nickname, n.priority, n.image, n.title
-						FROM news n
-							JOIN account.user u ON u.id = n.userFk
-						ORDER BY priority, n.created DESC
-				</custom>
-			</db-model>
+	<htk-repeater form-id="iter" class="box htk-list vn-w-sm">
+		<db-model property="model" id="news-model" updatable="true">
 			<custom>
-				<div class="item">
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_EditNew"
-						icon="edit"
-						on-click="onEditClick"/>
-					<htk-button
-						form="iter"
-						column="id"
-						tip="_Remove"
-						icon="delete"
-						on-click="onDeleteClick"/>
+				SELECT n.id, u.nickname, n.priority, n.image, n.title
+					FROM news n
+						JOIN account.user u ON u.id = n.userFk
+					ORDER BY priority, n.created DESC
+			</custom>
+		</db-model>
+		<custom>
+			<a class="item"
+				href="{{`#!form=news/new&amp;new=${iter.id}`}}"
+				title="_EditNew">
+				<div class="side vn-mr-md">
 					<htk-image
-						form="iter"
+						form="$iter"
 						column="image"
 						class="photo"
 						directory="news"
@@ -42,19 +32,24 @@
 						full-dir="full"
 						editable="true"
 						conn="conn"/>
-					<p class="important">
-						<htk-text form="iter" column="title"/>
-					</p>
-					<p>
-						<htk-text form="iter" column="nickname"/>
-					</p>
-					<p>
-						<t>Priority</t> 
-						<htk-text form="iter" column="priority"/>
-					</p>
 				</div>
-			</custom>
-		</htk-repeater>
-	</div>
+				<div class="content">
+					<p class="important">
+						{{iter.title}}
+					</p>
+					<p>{{iter.nickname}}</p>
+					<p>{{iter.priority}}</p>
+				</div>
+				<div
+					class="actions"
+					on-click="$event.preventDefault()">
+					<htk-button
+						tip="_Remove"
+						icon="delete"
+						on-click="this.onDeleteClick($iter)"/>
+				</div>
+			</a>
+		</custom>
+	</htk-repeater>
 </div>
 </vn>
diff --git a/forms/reports/items-form/items-form.js b/forms/reports/items-form/items-form.js
index 34a2b2bb..defdf2e3 100644
--- a/forms/reports/items-form/items-form.js
+++ b/forms/reports/items-form/items-form.js
@@ -1,23 +1,17 @@
 
-Hedera.ItemsForm = new Class
-({
+Hedera.ItemsForm = new Class({
 	Extends: Hedera.Form
 	
-	,activate: function ()
-	{
-		this.$('warehouse').value = 7;
-		this.$('realm').value = null;
+	,activate: function() {
+		this.$.lot.assign({
+			warehouse: 7,
+			realm: null
+		});
 	}
 	
-	,onPreviewClick: function ()
-	{
-		var batch = new Sql.Batch ();
-		batch.addValues ({
-			 'warehouse': this.$('warehouse').value
-			,'realm': this.$('realm').value
-			,'rate': this.$('rate').value
-		});
-		this.gui.openReport ('items-report', batch);
+	,onPreviewClick: function() {
+		this.$.lot.set('rate', this.$.rate.value);
+		this.gui.openReport('items-report', this.$.lot);
 	}
 });
 
diff --git a/forms/reports/items-form/style.css b/forms/reports/items-form/style.css
index ff9ba1be..e69de29b 100644
--- a/forms/reports/items-form/style.css
+++ b/forms/reports/items-form/style.css
@@ -1,43 +0,0 @@
-
-.items
-{	
-	padding: 1em;
-}
-.items .box
-{
-	max-width: 30em;
-	padding: 2em;
-}
-.items .form
-{
-	max-width: 25em;
-	margin: auto;
-}
-.items .form-group
-{
-	padding: 0.4em;
-}
-.items form label
-{
-	display: block;
-	margin-bottom: 0.5em;
-}
-.items input[type=text],
-.items select
-{
-	margin: 0;
-	width: 100%;
-}
-
-/* Footer */
-
-.items .footer
-{
-	text-align: center;
-	margin-top: 1.5em;
-}
-.items .footer > button
-{
-	margin: 0 .2em;
-}
-
diff --git a/forms/reports/items-form/ui.xml b/forms/reports/items-form/ui.xml
index 07fc6174..8b6462db 100644
--- a/forms/reports/items-form/ui.xml
+++ b/forms/reports/items-form/ui.xml
@@ -1,4 +1,5 @@
 <vn>
+<vn-lot id="lot"/>
 <div id="title">
 	<h1><t>Item list</t></h1>
 </div>
@@ -6,43 +7,35 @@
 	<htk-bar-button
 		icon="print"
 		tip="_Preview"
-		on-click="onPreviewClick"/>
+		on-click="this.onPreviewClick()"/>
 </div>
 <div id="form" class="items">
-	<div class="box">
-		<div class="form">
-			<div class="form-group">
-				<label><t>Store</t></label>
-				<htk-combo>
-					<vn-param property="param" id="warehouse"/>
-					<db-model property="model">
-						<custom>
-							SELECT id, name FROM vn2008.warehouse
-								WHERE reserve ORDER BY name
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Realm</t></label>
-				<htk-combo not-null="false">
-					<vn-param property="param" id="realm"/>
-					<db-model property="model">
-						<custom>
-							SELECT id, reino FROM vn2008.reinos
-								WHERE display != FALSE ORDER BY reino
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Rate</t></label>
-				<select id="rate">
-					<option>3</option>
-					<option>2</option>
-					<option>1</option>
-				</select>
-			</div>
+	<div class="form box vn-w-sm vn-pa-lg">
+		<div class="form-group">
+			<label><t>Store</t></label>
+			<htk-combo form="lot" column="warehouse">
+				<db-model property="model">
+					SELECT id, name FROM vn2008.warehouse
+						WHERE reserve ORDER BY name
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Realm</t></label>
+			<htk-combo form="lot" column="realm" not-null="false">
+				<db-model property="model">
+					SELECT id, reino FROM vn2008.reinos
+						WHERE display != FALSE ORDER BY reino
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Rate</t></label>
+			<select id="rate">
+				<option>3</option>
+				<option>2</option>
+				<option>1</option>
+			</select>
 		</div>
 	</div>
 </div>
diff --git a/forms/reports/shelves/shelves.js b/forms/reports/shelves/shelves.js
index 483ebdfb..86cbe00b 100644
--- a/forms/reports/shelves/shelves.js
+++ b/forms/reports/shelves/shelves.js
@@ -1,53 +1,20 @@
 
-Hedera.Shelves = new Class
-({
+Hedera.Shelves = new Class({
 	Extends: Hedera.Form
 
-	,activate: function ()
-	{
-		this.$('date').value = new Date ();
-		this.$('useIds').value = false;
+	,activate: function() {
+		this.$.lot.assign({
+			date: new Date(),
+			useIds: false
+		});
 	}
 
-	,onConfigChange: function ()
-	{
-		var fields = [
-			 'realm'
-			,'family'
-			,'warehouse'
-			,'shelf'
-			,'namePrefix'
-			,'maxAmount'
-			,'reportTitle'
-			,'showPacking'
-			,'stack'
-		];
-
-		for (var i = 0; i < fields.length; i++)
-			this.$(fields[i]).value = this.$('config').get (fields[i]);
+	,onConfigChange: function() {
+		this.$.lot.assignLot(this.$.config);
 	}
 	
-	,onPreviewClick: function ()
-	{	
-		var fields = [
-			 'family'
-			,'warehouse'
-			,'shelf'
-			,'namePrefix'
-			,'maxAmount'
-			,'reportTitle'
-			,'showPacking'
-			,'stack'
-			,'useIds'
-			,'date'
-		];
-
-		var batch = new Sql.Batch ();	
-
-		for (var i = 0; i < fields.length; i++)
-			batch.addValue (fields[i], this.$(fields[i]).value);
-
-		this.gui.openReport ('shelves-report', batch);
+	,onPreviewClick: function() {
+		this.gui.openReport('shelves-report', this.$.lot);
 	}
 });
 
diff --git a/forms/reports/shelves/style.css b/forms/reports/shelves/style.css
index 0be2e7cf..e69de29b 100644
--- a/forms/reports/shelves/style.css
+++ b/forms/reports/shelves/style.css
@@ -1,30 +0,0 @@
-
-.shelves
-{	
-	padding: 1em;
-}
-.shelves .box
-{
-	max-width: 30em;
-	padding: 2em;
-}
-.shelves .form
-{
-	max-width: 25em;
-	margin: auto;
-}
-.shelves .form-group
-{
-	padding: 0.4em;
-}
-.shelves form label
-{
-	display: block;
-	margin-bottom: 0.5em;
-}
-.shelves input[type=text],
-.shelves select
-{
-	margin: 0;
-	width: 100%;
-}
diff --git a/forms/reports/shelves/ui.xml b/forms/reports/shelves/ui.xml
index e1fa2a94..376a1bff 100644
--- a/forms/reports/shelves/ui.xml
+++ b/forms/reports/shelves/ui.xml
@@ -1,14 +1,8 @@
 <vn>
-<vn-group>
-	<db-model property="model" id="configs-model">
-		<custom>
-			SELECT c.id, c.name reportTitle, c.namePrefix, c.warehouse, c.family,
-			c.shelf, c.maxAmount, c.showPacking, c.stack, t.reino_id realm
-				FROM shelfConfig c
-				JOIN vn2008.Tipos t ON t.tipo_id = c.family
-		</custom>
-	</db-model>
-</vn-group>
+<vn-lot-query id="params">
+	<vn-spec name="config" type="Number"/>
+</vn-lot-query>
+<vn-lot id="lot"/>
 <div id="title">
 	<h1><t>Shelves</t></h1>
 </div>
@@ -16,96 +10,95 @@
 	<htk-bar-button
 		icon="print"
 		tip="_Preview"
-		on-click="onPreviewClick"/>
+		on-click="this.onPreviewClick()"/>
 </div>
 <div id="form" class="shelves">
-	<div class="box">
-		<div class="form">
-			<div class="form-group">
-				<label><t>Configuration</t></label>
-				<htk-combo
-					id="config"
-					placeholder="_Select config"
-					model="configs-model"
-					on-changed="onConfigChange"
-					on-ready="onConfigChange"/>
-			</div>
-			<div class="form-group">
-				<label><t>Date</t></label>
-				<htk-date-chooser id="date"/>
-			</div>
-			<div class="form-group">
-				<label><t>Reign</t></label>
-				<htk-combo id="realm">
-					<db-model property="model" id="realms">
-						<custom>
-							SELECT id, reino FROM vn2008.reinos
-								WHERE display != FALSE ORDER BY reino
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Family</t></label>
-				<htk-combo id="family">
-					<db-model property="model">
-						<custom>
-							SELECT tipo_id, Tipo FROM vn2008.Tipos 
-								WHERE reino_id = #realm ORDER BY Tipo
-						</custom>
-						<sql-batch property="batch">
-							<custom>
-								<item name="realm" param="realm"/>
-							</custom>
-						</sql-batch>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Store</t></label>
-				<htk-combo id="warehouse">
-					<db-model property="model" id="warehouses">
-						<custom>
-							SELECT id, name FROM vn2008.warehouse
-								WHERE reserve ORDER BY name
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Shelf</t></label>
-				<htk-combo id="shelf">
-					<db-model property="model" id="shelves">
-						<custom>
-							SELECT id, name FROM shelf
-						</custom>
-					</db-model>
-				</htk-combo>
-			</div>
-			<div class="form-group">
-				<label><t>Name prefix</t></label>
-				<htk-entry id="namePrefix"/>
-			</div>
-			<div class="form-group">
-				<label><t>Limit amount per item</t></label>
-				<htk-entry id="maxAmount"/>
-			</div>
-			<div class="form-group">
-				<label><t>Title</t></label>
-				<htk-entry id="reportTitle"/>
-			</div>
-			<div class="form-group">
-				<label><t>Show packing</t></label>
-				<htk-check id="showPacking"/>
-			</div>
-			<div class="form-group">
-				<label><t>Stack different items</t></label>
-				<htk-check id="stack"/>
-			</div>
-			<div class="form-group">
-				<label><t>Use ids instead of names</t></label>
-				<htk-check id="useIds"/>
-			</div>
+	<div class="form box vn-w-sm vn-pa-lg">
+		<div class="form-group">
+			<label><t>Configuration</t></label>
+			<htk-combo
+				id="config"
+				placeholder="_Select config"
+				form="params"
+				column="config"
+				on-changed="this.onConfigChange()"
+				on-ready="this.onConfigChange()">
+				<db-model property="model">
+					SELECT c.id, c.name reportTitle, c.namePrefix, c.warehouse, c.family,
+					c.shelf, c.maxAmount, c.showPacking, c.stack, t.reino_id realm
+						FROM shelfConfig c
+						JOIN vn2008.Tipos t ON t.tipo_id = c.family
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Date</t></label>
+			<htk-date-chooser form="lot" name="date"/>
+		</div>
+		<div class="form-group">
+			<label><t>Reign</t></label>
+			<htk-combo form="lot" name="realm">
+				<db-model property="model">
+					SELECT id, reino FROM vn2008.reinos
+						WHERE display != FALSE ORDER BY reino
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Family</t></label>
+			<htk-combo form="lot" name="family">
+				<db-model property="model" lot="lot">
+					SELECT tipo_id, Tipo FROM vn2008.Tipos 
+						WHERE reino_id = #realm ORDER BY Tipo
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Store</t></label>
+			<htk-combo form="lot">
+				<db-model property="model">
+					SELECT id, name FROM vn2008.warehouse
+						WHERE reserve ORDER BY name
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Shelf</t></label>
+			<htk-combo form="lot" name="shelf">
+				<db-model property="model">
+					SELECT id, name FROM shelf
+				</db-model>
+			</htk-combo>
+		</div>
+		<div class="form-group">
+			<label><t>Name prefix</t></label>
+			<htk-entry form="lot" name="namePrefix"/>
+		</div>
+		<div class="form-group">
+			<label><t>Limit amount per item</t></label>
+			<htk-entry form="lot" name="maxAmount"/>
+		</div>
+		<div class="form-group">
+			<label><t>Title</t></label>
+			<htk-entry form="lot" name="reportTitle"/>
+		</div>
+		<div class="form-group">
+			<label>
+				<htk-check form="lot" name="showPacking"/>
+				<t>Show packing</t>
+			</label>
+		</div>
+		<div class="form-group">
+			<label>
+				<htk-check form="lot" name="stack"/>
+				<t>Stack different items</t>
+			</label>
+		</div>
+		<div class="form-group">
+			<label>
+				<htk-check form="lot" name="useIds"/>
+				<t>Use ids instead of names</t>
+			</label>
 		</div>
 	</div>
 </div>
diff --git a/image/family/black/accessory.svg b/image/family/black/accessory.svg
new file mode 100644
index 00000000..f49d134a
--- /dev/null
+++ b/image/family/black/accessory.svg
@@ -0,0 +1,49 @@
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+
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+   version="1.1"
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+   width="40"
+   height="40"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+   id="defs9" /><sodipodi:namedview
+   id="namedview7"
+   pagecolor="#ffffff"
+   bordercolor="#666666"
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+	.st2{fill:#FFFFFF;stroke:#1E1E1C;stroke-width:8;stroke-miterlimit:10;}
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+   class="st0"
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diff --git a/image/family/black/artificial.svg b/image/family/black/artificial.svg
new file mode 100644
index 00000000..83000adc
--- /dev/null
+++ b/image/family/black/artificial.svg
@@ -0,0 +1,59 @@
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diff --git a/image/family/black/flower.svg b/image/family/black/flower.svg
new file mode 100644
index 00000000..cd941b4d
--- /dev/null
+++ b/image/family/black/flower.svg
@@ -0,0 +1,76 @@
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diff --git a/image/logo.svg b/image/logo.svg
index bba010e3..23b6df49 100644
--- a/image/logo.svg
+++ b/image/logo.svg
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
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 <svg
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@@ -18,12 +16,47 @@
    enable-background="new 0 0 226.229 31.038"
    xml:space="preserve"
    id="svg2"
-   inkscape:version="0.48.1 r9760"
+   inkscape:version="1.0.2 (e86c870879, 2021-01-15)"
    sodipodi:docname="logo.svg"><metadata
    id="metadata61"><rdf:RDF><cc:Work
        rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
-         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
-   id="defs59" /><sodipodi:namedview
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
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    inkscape:pageopacity="0"
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-   inkscape:window-width="1366"
-   inkscape:window-height="710"
+   inkscape:window-width="1920"
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+   inkscape:zoom="4.8159974"
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+   inkscape:current-layer="svg2"
+   inkscape:document-rotation="0" />
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    id="Guides">
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-<g
-   id="Foreground">
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+   d="m 149.937,12.356 1.239,-4.428 h 2.995 l 1.771,-6.326 h 7.338 l -1.771,6.326 h 3.753 l -1.24,4.428 h -3.753 l -2.716,9.702 c -0.416,1.483 -0.498,2.465 -0.247,2.946 0.25,0.48 0.905,0.721 1.964,0.721 l 0.549,-0.011 0.39,-0.031 -1.31,4.678 c -0.811,0.148 -1.596,0.263 -2.354,0.344 -0.758,0.081 -1.48,0.122 -2.167,0.122 -2.543,0 -4.108,-0.621 -4.695,-1.863 -0.587,-1.242 -0.313,-3.887 0.82,-7.936 l 2.428,-8.672 z"
    id="path31"
-   style="fill:#8ed300;fill-opacity:1" />
-		</g>
-		<g
-   id="g33">
-			<path
+   style="fill:#97d700;fill-opacity:1" /><path
    fill-rule="evenodd"
    clip-rule="evenodd"
-   fill="#FFFFFF"
-   d="M73.875,18.896c-0.561,2.004-0.616,3.537-0.167,4.601     s1.375,1.595,2.774,1.595c1.399,0,2.605-0.524,3.62-1.574s1.806-2.59,2.375-4.622c0.526-1.879,0.556-3.334,0.09-4.363     c-0.466-1.029-1.393-1.543-2.778-1.543c-1.304,0-2.487,0.528-3.551,1.585S74.386,17.071,73.875,18.896z M96.513,0l-8.489,30.321     h-7.337l0.824-2.944c-1.166,1.22-2.369,2.121-3.61,2.703s-2.583,0.874-4.025,0.874c-2.802,0-4.772-1.081-5.912-3.243     c-1.139-2.162-1.218-4.993-0.238-8.493c0.988-3.528,2.668-6.404,5.042-8.627c2.374-2.224,4.927-3.336,7.661-3.336     c1.47,0,2.695,0.296,3.676,0.887c0.981,0.591,1.681,1.465,2.099,2.62L89.217,0H96.513z"
-   id="path35" />
-			<g
+   fill="#ffffff"
+   d="m 73.875,18.896 c -0.561,2.004 -0.616,3.537 -0.167,4.601 0.449,1.064 1.375,1.595 2.774,1.595 1.399,0 2.605,-0.524 3.62,-1.574 1.015,-1.05 1.806,-2.59 2.375,-4.622 0.526,-1.879 0.556,-3.334 0.09,-4.363 -0.466,-1.029 -1.393,-1.543 -2.778,-1.543 -1.304,0 -2.487,0.528 -3.551,1.585 -1.064,1.057 -1.852,2.496 -2.363,4.321 z M 96.513,0 88.024,30.321 h -7.337 l 0.824,-2.944 c -1.166,1.22 -2.369,2.121 -3.61,2.703 -1.241,0.582 -2.583,0.874 -4.025,0.874 -2.802,0 -4.772,-1.081 -5.912,-3.243 -1.139,-2.162 -1.218,-4.993 -0.238,-8.493 0.988,-3.528 2.668,-6.404 5.042,-8.627 2.374,-2.224 4.927,-3.336 7.661,-3.336 1.47,0 2.695,0.296 3.676,0.887 0.981,0.591 1.681,1.465 2.099,2.62 L 89.217,0 Z"
+   id="path35" /><g
    id="g37">
 				<path
    fill-rule="evenodd"
    clip-rule="evenodd"
-   d="M73.875,18.896c-0.561,2.004-0.616,3.537-0.167,4.601s1.375,1.595,2.774,1.595      c1.399,0,2.605-0.524,3.62-1.574s1.806-2.59,2.375-4.622c0.526-1.879,0.556-3.334,0.09-4.363      c-0.466-1.029-1.393-1.543-2.778-1.543c-1.304,0-2.487,0.528-3.551,1.585S74.386,17.071,73.875,18.896z M96.513,0l-8.489,30.321      h-7.337l0.824-2.944c-1.166,1.22-2.369,2.121-3.61,2.703s-2.583,0.874-4.025,0.874c-2.802,0-4.772-1.081-5.912-3.243      c-1.139-2.162-1.218-4.993-0.238-8.493c0.988-3.528,2.668-6.404,5.042-8.627c2.374-2.224,4.927-3.336,7.661-3.336      c1.47,0,2.695,0.296,3.676,0.887c0.981,0.591,1.681,1.465,2.099,2.62L89.217,0H96.513z"
-   id="path39" />
-			</g>
-		</g>
-		<g
-   id="g41">
-			<path
+   d="m 73.875,18.896 c -0.561,2.004 -0.616,3.537 -0.167,4.601 0.449,1.064 1.375,1.595 2.774,1.595 1.399,0 2.605,-0.524 3.62,-1.574 1.015,-1.05 1.806,-2.59 2.375,-4.622 0.526,-1.879 0.556,-3.334 0.09,-4.363 -0.466,-1.029 -1.393,-1.543 -2.778,-1.543 -1.304,0 -2.487,0.528 -3.551,1.585 -1.064,1.057 -1.852,2.496 -2.363,4.321 z M 96.513,0 88.024,30.321 h -7.337 l 0.824,-2.944 c -1.166,1.22 -2.369,2.121 -3.61,2.703 -1.241,0.582 -2.583,0.874 -4.025,0.874 -2.802,0 -4.772,-1.081 -5.912,-3.243 -1.139,-2.162 -1.218,-4.993 -0.238,-8.493 0.988,-3.528 2.668,-6.404 5.042,-8.627 2.374,-2.224 4.927,-3.336 7.661,-3.336 1.47,0 2.695,0.296 3.676,0.887 0.981,0.591 1.681,1.465 2.099,2.62 L 89.217,0 Z"
+   id="path39"
+   style="fill:#1a1a1a;fill-opacity:1" />
+			</g><path
    fill-rule="evenodd"
    clip-rule="evenodd"
-   d="M46.488,30.321l6.269-22.393h7.049l-1.098,3.918     c1.213-1.537,2.502-2.659,3.868-3.366s6.015-1.074,7.822-1.101l-2.03,7.25c-0.304-0.042-0.608-0.072-0.911-0.093     c-0.304-0.02-0.592-0.03-0.867-0.03c-1.126,0-5.167,0.168-5.997,0.504c-0.829,0.336-1.561,0.854-2.196,1.555     c-0.406,0.467-0.789,1.136-1.149,2.007c-0.361,0.872-0.814,2.282-1.36,4.232l-2.104,7.516H46.488z"
-   id="path43" />
-		</g>
-		<g
-   id="g45">
-			<path
+   d="M 46.488,30.321 52.757,7.928 h 7.049 l -1.098,3.918 C 59.921,10.309 61.21,9.187 62.576,8.48 63.942,7.773 68.591,7.406 70.398,7.379 l -2.03,7.25 c -0.304,-0.042 -0.608,-0.072 -0.911,-0.093 -0.304,-0.02 -0.592,-0.03 -0.867,-0.03 -1.126,0 -5.167,0.168 -5.997,0.504 -0.829,0.336 -1.561,0.854 -2.196,1.555 -0.406,0.467 -0.789,1.136 -1.149,2.007 -0.361,0.872 -0.814,2.282 -1.36,4.232 l -2.104,7.516 h -7.296 z"
+   id="path43"
+   style="fill:#1a1a1a;fill-opacity:1" /><path
    fill-rule="evenodd"
    clip-rule="evenodd"
-   fill="#FFFFFF"
-   d="M32.673,16.742l8.351-0.021     c0.375-1.436,0.308-2.558-0.201-3.365s-1.402-1.211-2.68-1.211c-1.209,0-2.285,0.397-3.229,1.19S33.224,15.265,32.673,16.742z      M38.817,23.278h7.043c-1.347,2.456-3.172,4.356-5.477,5.7c-2.305,1.345-4.885,2.017-7.74,2.017     c-3.473,0-5.923-1.054-7.351-3.161c-1.427-2.107-1.632-4.98-0.613-8.618c1.038-3.707,2.875-6.641,5.512-8.803     c2.637-2.163,5.678-3.244,9.123-3.244c3.555,0,6.04,1.099,7.456,3.298c1.417,2.198,1.582,5.234,0.498,9.109l-0.239,0.814     l-0.167,0.484H31.721c-0.441,1.575-0.438,2.777,0.01,3.606c0.448,0.829,1.332,1.244,2.65,1.244c0.975,0,1.836-0.206,2.583-0.617     S38.33,24.086,38.817,23.278z"
-   id="path47" />
-			<g
-   id="g49">
+   fill="#ffffff"
+   d="m 32.673,16.742 8.351,-0.021 c 0.375,-1.436 0.308,-2.558 -0.201,-3.365 -0.509,-0.807 -1.402,-1.211 -2.68,-1.211 -1.209,0 -2.285,0.397 -3.229,1.19 -0.944,0.793 -1.69,1.93 -2.241,3.407 z m 6.144,6.536 h 7.043 c -1.347,2.456 -3.172,4.356 -5.477,5.7 -2.305,1.345 -4.885,2.017 -7.74,2.017 -3.473,0 -5.923,-1.054 -7.351,-3.161 -1.427,-2.107 -1.632,-4.98 -0.613,-8.618 1.038,-3.707 2.875,-6.641 5.512,-8.803 2.637,-2.163 5.678,-3.244 9.123,-3.244 3.555,0 6.04,1.099 7.456,3.298 1.417,2.198 1.582,5.234 0.498,9.109 l -0.239,0.814 -0.167,0.484 H 31.721 c -0.441,1.575 -0.438,2.777 0.01,3.606 0.448,0.829 1.332,1.244 2.65,1.244 0.975,0 1.836,-0.206 2.583,-0.617 0.747,-0.411 1.366,-1.021 1.853,-1.829 z"
+   id="path47" /><g
+   id="g49"
+   style="fill:#1a1a1a;fill-opacity:1">
 				<path
    fill-rule="evenodd"
    clip-rule="evenodd"
-   d="M32.673,16.742l8.351-0.021c0.375-1.436,0.308-2.558-0.201-3.365      s-1.402-1.211-2.68-1.211c-1.209,0-2.285,0.397-3.229,1.19S33.224,15.265,32.673,16.742z M38.817,23.278h7.043      c-1.347,2.456-3.172,4.356-5.477,5.7c-2.305,1.345-4.885,2.017-7.74,2.017c-3.473,0-5.923-1.054-7.351-3.161      c-1.427-2.107-1.632-4.98-0.613-8.618c1.038-3.707,2.875-6.641,5.512-8.803c2.637-2.163,5.678-3.244,9.123-3.244      c3.555,0,6.04,1.099,7.456,3.298c1.417,2.198,1.582,5.234,0.498,9.109l-0.239,0.814l-0.167,0.484H31.721      c-0.441,1.575-0.438,2.777,0.01,3.606c0.448,0.829,1.332,1.244,2.65,1.244c0.975,0,1.836-0.206,2.583-0.617      S38.33,24.086,38.817,23.278z"
-   id="path51" />
-			</g>
-		</g>
-		<g
-   id="g53">
-			<path
+   d="m 32.673,16.742 8.351,-0.021 c 0.375,-1.436 0.308,-2.558 -0.201,-3.365 -0.509,-0.807 -1.402,-1.211 -2.68,-1.211 -1.209,0 -2.285,0.397 -3.229,1.19 -0.944,0.793 -1.69,1.93 -2.241,3.407 z m 6.144,6.536 h 7.043 c -1.347,2.456 -3.172,4.356 -5.477,5.7 -2.305,1.345 -4.885,2.017 -7.74,2.017 -3.473,0 -5.923,-1.054 -7.351,-3.161 -1.427,-2.107 -1.632,-4.98 -0.613,-8.618 1.038,-3.707 2.875,-6.641 5.512,-8.803 2.637,-2.163 5.678,-3.244 9.123,-3.244 3.555,0 6.04,1.099 7.456,3.298 1.417,2.198 1.582,5.234 0.498,9.109 l -0.239,0.814 -0.167,0.484 H 31.721 c -0.441,1.575 -0.438,2.777 0.01,3.606 0.448,0.829 1.332,1.244 2.65,1.244 0.975,0 1.836,-0.206 2.583,-0.617 0.747,-0.411 1.366,-1.021 1.853,-1.829 z"
+   id="path51"
+   style="fill:#1a1a1a;fill-opacity:1" />
+			</g><path
    fill="#A0CE67"
-   d="M112.881,30.643l-6.404-18.639l-6.455,18.639h-7.254l9.565-30.321h8.19l4.434,15.582l0.35,1.276     c0.521,1.866,0.917,3.431,1.191,4.693l0.555-2.182c0.219-0.837,0.528-1.935,0.925-3.293l4.468-16.076h8.19l-10.501,30.321     H112.881z"
+   d="m 112.881,30.643 -6.404,-18.639 -6.455,18.639 h -7.254 l 9.565,-30.321 h 8.19 l 4.434,15.582 0.35,1.276 c 0.521,1.866 0.917,3.431 1.191,4.693 l 0.555,-2.182 c 0.219,-0.837 0.528,-1.935 0.925,-3.293 l 4.468,-16.076 h 8.19 l -10.501,30.321 z"
    id="path55"
-   style="fill:#8ed300;fill-opacity:1" />
-		</g>
-	</g>
-</g>
-</svg>
\ No newline at end of file
+   style="fill:#97d700;fill-opacity:1" />
+</svg>
diff --git a/image/social/mail.svg b/image/social/mail.svg
new file mode 100644
index 00000000..d94d03c3
--- /dev/null
+++ b/image/social/mail.svg
@@ -0,0 +1 @@
+<svg id="Capa_1" enable-background="new 0 0 479.058 479.058" height="512" viewBox="0 0 479.058 479.058" width="512" xmlns="http://www.w3.org/2000/svg"><path d="m434.146 59.882h-389.234c-24.766 0-44.912 20.146-44.912 44.912v269.47c0 24.766 20.146 44.912 44.912 44.912h389.234c24.766 0 44.912-20.146 44.912-44.912v-269.47c0-24.766-20.146-44.912-44.912-44.912zm0 29.941c2.034 0 3.969.422 5.738 1.159l-200.355 173.649-200.356-173.649c1.769-.736 3.704-1.159 5.738-1.159zm0 299.411h-389.234c-8.26 0-14.971-6.71-14.971-14.971v-251.648l199.778 173.141c2.822 2.441 6.316 3.655 9.81 3.655s6.988-1.213 9.81-3.655l199.778-173.141v251.649c-.001 8.26-6.711 14.97-14.971 14.97z"/></svg>
\ No newline at end of file
diff --git a/image/social/phone.svg b/image/social/phone.svg
new file mode 100644
index 00000000..34fb46ff
--- /dev/null
+++ b/image/social/phone.svg
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 405.333 405.333" style="enable-background:new 0 0 405.333 405.333;" xml:space="preserve">
+<g>
+	<g>
+		<path d="M373.333,266.88c-25.003,0-49.493-3.904-72.704-11.563c-11.328-3.904-24.192-0.896-31.637,6.699l-46.016,34.752
+			c-52.8-28.181-86.592-61.952-114.389-114.368l33.813-44.928c8.512-8.512,11.563-20.971,7.915-32.64
+			C142.592,81.472,138.667,56.96,138.667,32c0-17.643-14.357-32-32-32H32C14.357,0,0,14.357,0,32
+			c0,205.845,167.488,373.333,373.333,373.333c17.643,0,32-14.357,32-32V298.88C405.333,281.237,390.976,266.88,373.333,266.88z"/>
+	</g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+</svg>
diff --git a/index.js b/index.js
new file mode 100644
index 00000000..aa8a23f4
--- /dev/null
+++ b/index.js
@@ -0,0 +1,60 @@
+__webpack_public_path__ = _PUBLIC_PATH;
+
+require('hedera/hedera');
+
+window.onload = function() {
+	loadLocale(main);
+}
+
+function main(req) {
+	if (req)
+		onLocaleLoad(req);
+
+	hederaWeb = new Hedera.App();
+	hederaWeb.run();
+}
+
+function loadLocale(cb) {
+	Vn.Locale.init();
+	var lang = Vn.Locale.language;
+
+	var req = require.context('js', true, /locale\/en.yml$/);
+	onLocaleLoad(req);
+
+	switch (lang) {
+		case 'ca':
+			require([], function() {
+				cb(require.context('js', true, /locale\/ca.yml$/)); 
+			});
+			break;
+		case 'es':
+			require([], function() {
+				cb(require.context('js', true, /locale\/es.yml$/)); 
+			});
+			break;
+		case 'fr':
+			require([], function() {	
+				cb(require.context('js', true, /locale\/fr.yml$/)); 
+			});
+			break;
+		case 'mn':
+			require([], function() {	
+				cb(require.context('js', true, /locale\/mn.yml$/)); 
+			});
+			break;
+		case 'pt':
+			require([], function() {	
+				cb(require.context('js', true, /locale\/pt.yml$/)); 
+			});
+			break;
+		default:
+			cb();
+	}
+}
+
+function onLocaleLoad(req) {
+	var keys = req.keys();
+
+	for (var i = 0; i < keys.length; i++)
+		Vn.Locale.add(req(keys[i]));
+}
diff --git a/js/db/calc-sum.js b/js/db/calc-sum.js
index 8755e65e..9314a236 100644
--- a/js/db/calc-sum.js
+++ b/js/db/calc-sum.js
@@ -3,7 +3,7 @@ var Calc = require ('./calc');
 
 /**
  * Computes a sum of data in the model.
- **/
+ */
 module.exports = new Class
 ({
 	Extends: Calc
diff --git a/js/db/calc.js b/js/db/calc.js
index 17e8d91f..17851a6b 100644
--- a/js/db/calc.js
+++ b/js/db/calc.js
@@ -4,7 +4,7 @@ var SimpleIterator = require ('./simple-iterator');
 
 /**
  * Interface for handle foreach operations on the model.
- **/
+ */
 module.exports = new Class
 ({
 	Extends: Vn.Param
@@ -132,23 +132,23 @@ module.exports = new Class
 	 * You don't need to define it if model isn't updatable.
 	 *
 	 * @param {integer} row The row number
-	 **/
+	 */
 	,before: function (row) {}
 
 	/**
 	 * Called after each update or insert row operation.
 	 *
 	 * @param {integer} row The row number
-	 **/
+	 */
 	,after: function (row) {}
 
 	/**
 	 * Called before each model refresh.
-	 **/
+	 */
 	,init: function () {}
 
 	/**
 	 * Called when an operation in the model is complete.
-	 **/
+	 */
 	,done: function () {}
 });
diff --git a/js/db/connection.js b/js/db/connection.js
index e82d25a3..90b16d67 100644
--- a/js/db/connection.js
+++ b/js/db/connection.js
@@ -12,15 +12,13 @@
 var Connection = new Class();
 module.exports = Connection;
 
-var Flag =
-{
+var Flag = {
 	 NOT_NULL : 1
 	,PRI_KEY  : 2
 	,AI       : 512 | 2 | 1
 };
 
-var Type =
-{
+var Type = {
 	 BOOLEAN   : 1
 	,INTEGER   : 3
 	,DOUBLE    : 4
@@ -53,10 +51,10 @@ Connection.implement({
 	 *
 	 * @param {Sql.Stmt} stmt The statement
 	 * @param {Function} callback The function to call when operation is done
-	 * @param {Sql.Batch} batch The batch used to set the parameters
+	 * @param {Object} params The query params
 	 */
-	,execStmt: function(stmt, callback, batch) {
-		this.execSql(stmt.render(batch), callback);
+	,execStmt: function(stmt, callback, params) {
+		this.execSql(stmt.render(params), callback);
 	}
 
 	/**
@@ -64,10 +62,10 @@ Connection.implement({
 	 *
 	 * @param {String} query The SQL statement
 	 * @param {Function} callback The function to call when operation is done
-	 * @param {Sql.Batch} batch The batch used to set the parameters
+	 * @param {Object} params The query params
 	 */
-	,execQuery: function(query, callback, batch) {
-		this.execStmt(new Sql.String({query: query}), callback, batch);
+	,execQuery: function(query, callback, params) {
+		this.execStmt(new Sql.String({query: query}), callback, params);
 	}
 
 	/*
@@ -81,18 +79,34 @@ Connection.implement({
 	 * Called when a query is executed.
 	 */
 	,_onExec: function(callback, json, error) {
+		const results = [];
+
 		if (json)
 		try {
 			if (json && json instanceof Array)
-			for (var i = 0; i < json.length; i++)
+			for (let i = 0; i < json.length; i++)
 			if (json[i] !== true) {
-				var data = json[i].data;
-				var columns = json[i].columns;
+				const rows = json[i].data;
+				const columns = json[i].columns;
 
-				for (var j = 0; j < columns.length; j++) {
-					var castFunc = null;
+				const data = new Array(rows.length);
+				results.push({
+					data,
+					columns,
+					tables: json[i].tables
+				});
+
+				for (let j = 0; j < rows.length; j++) {
+					const row = data[j] = {};
+					for (let k = 0; k < columns.length; k++)
+						row[columns[k].name] = rows[j][k];
+				}
+
+				for (let j = 0; j < columns.length; j++) {
+					let castFunc = null;
+					const col = columns[j];
 			
-					switch (columns[j].type) {
+					switch (col.type) {
 						case Type.DATE:
 						case Type.DATE_TIME:
 						case Type.TIMESTAMP:
@@ -101,21 +115,22 @@ Connection.implement({
 					}
 			
 					if (castFunc !== null) {
-						if (columns[j].def != null)
-							columns[j].def = castFunc(columns[j].def);
+						if (col.def != null)
+							col.def = castFunc(col.def);
 
-						for (var k = 0; k < data.length; k++)
-							if (data[k][j] != null)
-								data[k][j] = castFunc(data[k][j]);
+						for (let k = 0; k < data.length; k++)
+							if (data[k][col.name] != null)
+								data[k][col.name] = castFunc(data[k][col.name]);
 					}
 				}
-			}
+			} else
+				results.push(json[i]);
 		} catch (e) {
 			error = e;
 		}
 
 		if (callback)
-			callback(new Db.ResultSet(json, error));
+			callback(new Db.ResultSet(results, error));
 	}
 });
 
diff --git a/js/db/db-lot.js b/js/db/db-lot.js
new file mode 100644
index 00000000..67a3b3c6
--- /dev/null
+++ b/js/db/db-lot.js
@@ -0,0 +1,109 @@
+
+var Connection = require('./connection');
+var Model = require('./model');
+
+module.exports = new Class({
+	Extends: Vn.Form
+	,Tag: 'db-lot'
+	,Properties: {
+		/**
+		 * The connection used to execute the statement.
+		 */
+		conn: {
+			type: Connection
+			,set: function(x) {
+				this.model.conn = x;
+			}
+			,get: function() {
+				return this.model.conn;
+			}
+		},
+		/**
+		 * The model query.
+		 */
+		query: {
+			type: String
+			,set: function(x) {
+				this.model.query = x;
+			}
+			,get: function() {
+				return this.model.query;
+			}
+		},
+		/**
+		 * The model select statement.
+		 */
+		stmt: {
+			type: Sql.Stmt
+			,set: function(x) {
+				this.model.stmt = x;
+			}
+			,get: function() {
+				return this.model.stmt;
+			}
+		},
+		/**
+		 * The lot used to execute the statement.
+		 */
+		lot: {
+			type: Vn.Lot
+			,set: function(x) {
+				this.model.lot = x;
+			}
+			,get: function() {
+				return this.model.lot;
+			}
+		}
+	}
+
+	,initialize: function(props) {
+		this.model = new Model();
+		Vn.Form.prototype.initialize.call(this, props);
+	}
+
+	,appendChild: function(child) {
+		if (child.nodeType === Node.TEXT_NODE)
+			this.query = child.textContent;
+	}
+	
+	,refresh: function() {
+		if (this._model)
+			this._model.refresh();
+	}
+	
+	,performOperations: function() {
+		if (this._model)
+			this._model.performOperations();
+	}
+	
+	/**
+	 * Get the index of the column from its name.
+	 *
+	 * @param {string} columnName The column name
+	 * @return {integer} The column index or -1 if column not exists
+	 */
+	,getColumnIndex: function(columnName) {
+		return this._model ?
+			this._model.getColumnIndex(columnName) : -1;
+	}
+
+	/**
+	 * Gets a value from the form using the column index.
+	 *
+	 * @param {string} columnName The column index
+	 * @return {Object} The value
+	 */
+	,getByIndex: function(column) {
+		return this._model.getByIndex(this._row, column);
+	}
+
+	/**
+	 * Sets a value on the form using the column index.
+	 *
+	 * @param {string} columnName The column index
+	 * @param {Object} value The new value
+	 */
+	,setByIndex: function(column, value) {
+		return this._model.setByIndex(this._row, column, value);
+	}
+});
diff --git a/js/db/db.js b/js/db/db.js
index e1ba4ec9..073799ae 100644
--- a/js/db/db.js
+++ b/js/db/db.js
@@ -1,17 +1,17 @@
 
-require ('sql/sql');
+require('sql/sql');
 
 Db = module.exports = {
-	 Connection     : require ('./connection')
-	,Result         : require ('./result')
-	,ResultSet      : require ('./result-set')
-	,Model          : require ('./model')
-	,Iterator       : require ('./iterator')
-	,SimpleIterator : require ('./simple-iterator')
-	,Form           : require ('./form')
-	,Param          : require ('./param')
-	,Query          : require ('./query')
-	,Calc           : require ('./calc')
-	,CalcSum        : require ('./calc-sum')
+	 Connection     : require('./connection')
+	,Result         : require('./result')
+	,ResultSet      : require('./result-set')
+	,Model          : require('./model')
+	,Iterator       : require('./iterator')
+	,SimpleIterator : require('./simple-iterator')
+	,Form           : require('./form')
+	,Query          : require('./query')
+	,Calc           : require('./calc')
+	,CalcSum        : require('./calc-sum')
+	,Lot            : require('./db-lot')
 };
 
diff --git a/js/db/form.js b/js/db/form.js
index b97b8edb..5df50d51 100644
--- a/js/db/form.js
+++ b/js/db/form.js
@@ -1,62 +1,51 @@
 
-var Iterator = require ('./iterator');
-var Model = require ('./model');
+var Iterator = require('./iterator');
+var Model = require('./model');
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Vn.Object
 	,Implements: Iterator
 	,Tag: 'db-form'
-	,Properties:
-	{
+	,Properties: {
 		/**
 		 * The model associated to this form.
-		 **/
-		model:
-		{ 
+		 */
+		model: { 
 			type: Model
-			,set: function (x)
-			{
-				this.link ({_model: x},
-				{
+			,set: function(x) {
+				this.link({_model: x}, {
 					 'status-changed': this.onModelChange
 					,'row-updated': this.onRowUpdate
 				});
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._model;
 			}
 		},
 		/**
 		 * The row where the form positioned, has -1 if the row is unselected.
-		 **/
-		row:
-		{ 
+		 */
+		row: { 
 			type: Number
-			,set: function (x)
-			{
+			,set: function(x) {
 				if (!this._model || this._model.numRows <= x || x < -1)
 					x = -1;
 				if (x == this._row)
 					return;
 
 				this._row = x;
-				this.iterChanged ();
+				this.iterChanged();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._row;
 			}
 		},
 		/**
 		 * The number of rows in the form.
-		 **/
-		numRows:
-		{
+		 */
+		numRows: {
 			type: Number
-			,get: function ()
-			{
+			,get: function() {
 				if (this._model)
 					return this._model.numRows;
 
@@ -65,14 +54,21 @@ module.exports = new Class
 		},
 		/**
 		 * Checks if the form data is ready.
-		 **/
-		ready:
-		{
+		 */
+		ready: {
 			type: Boolean
-			,get: function ()
-			{
+			,get: function() {
 				return this._ready;
 			}
+		},
+		/**
+		 * The row object.
+		 */
+		$: {
+			type: Object
+			,get: function() {
+				return this._model && this._model.getObject(this._row);
+			}
 		}
 	}
 	
@@ -81,32 +77,29 @@ module.exports = new Class
 	,_row: -1
 	,_ready: false
 
-	,onModelChange: function ()
-	{
+	,onModelChange: function() {
 		var ready = this._model && this._model.ready;
 		
-		if (ready != this._ready)
-		{
+		if (ready != this._ready) {
 			if (this._row != -1)
 				this.lastRow = this._row;
 	
 			this._ready = ready;
-			this.signalEmit ('status-changed');
+			this.emit('status-changed');
 			
 			if (this._row == -1)
 				this.row = this.lastRow;
 				
 			if (ready)
-				this.signalEmit ('ready');
+				this.emit('ready');
 
-			this.iterChanged ();
+			this.iterChanged();
 		}
 	}
 
-	,onRowUpdate: function (model, row, column)
-	{
+	,onRowUpdate: function(model, row) {
 		if (row == this._row)
-			this.iterChanged ();
+			this.iterChanged();
 	}
 });
 
diff --git a/js/db/iterator.js b/js/db/iterator.js
index 346f4d7e..98f3078e 100644
--- a/js/db/iterator.js
+++ b/js/db/iterator.js
@@ -1,55 +1,53 @@
 
-var Model = require ('./model');
+var Model = require('./model');
 
-module.exports = new Class
-({
-	Properties:
-	{
+module.exports = new Class({
+	Properties: {
 		/**
 		 * The model associated to this form.
-		 **/
-		model:
-		{ 
+		 */
+		model: { 
 			type: Model
 		},
 		/**
 		 * The row where the form positioned, has -1 if the row is unselected.
-		 **/
-		row:
-		{ 
+		 */
+		row: { 
 			type: Number
 		},
 		/**
 		 * The number of rows in the form.
-		 **/
-		numRows:
-		{
+		 */
+		numRows: {
 			type: Number
 		},
 		/**
 		 * Checks if the form data is ready.
-		 **/
-		ready:
-		{
+		 */
+		ready: {
 			type: Boolean
+		},
+		/**
+		 * The row object.
+		 */
+		$: {
+			type: Object
 		}
 	}
 
 	,_model: null
 	,_row: -1
 	
-	,refresh: function ()
-	{
+	,refresh: function() {
 		if (this._model)
-			this._model.refresh ();
+			this._model.refresh();
 	}
 
 	/**
-	 * Emits the 'iter-changed' signal on the form.
-	 **/
-	,iterChanged: function ()
-	{
-		this.signalEmit ('iter-changed');
+	 * Emits the 'change' signal on the form.
+	 */
+	,iterChanged: function() {
+		this.emit('change');
 	}
 	
 	/**
@@ -57,45 +55,49 @@ module.exports = new Class
 	 *
 	 * @param {String} columnName The column name
 	 * @return {integer} The column index or -1 if column not exists
-	 **/
-	,getColumnIndex: function (columnName)
-	{
+	 */
+	,getColumnIndex: function(columnName) {
 		if (this._model)
-			return this._model.getColumnIndex (columnName);
+			return this._model.getColumnIndex(columnName);
 			
 		return -1;
 	}
 	
-	,insertRow: function ()
-	{
+	,insertRow: function() {
 		if (this._model)
-			this.row = this._model.insertRow ();
+			this.row = this._model.insertRow();
 	}
 	
-	,performOperations: function ()
-	{
+	,performOperations: function() {
 		if (this._model)
-			this._model.performOperations ();
+			this._model.performOperations();
 	}
 
 	/**
 	 * Removes the current row.
-	 **/
-	,deleteRow: function ()
-	{
+	 */
+	,deleteRow: function() {
 		if (this._row >= 0)
-			this._model.deleteRow (this._row);
+			this._model.deleteRow(this._row);
 	}
-	
+
 	/**
-	 * Gets a value from the form.
+	 * Gets the row as object.
+	 *
+	 * @return {Object} The row
+	 */
+	,getObject: function() {
+		return this._model.getObject(this._row);
+	}
+
+	/**
+	 * Sets a value on the form.
 	 *
 	 * @param {String} columnName The column name
-	 * @return {Object} The value
-	 **/
-	,get: function (columnName)
-	{
-		return this._model.get (this._row, columnName);
+	 */
+	,get: function(columnName) {
+		if (!this._model) return undefined;
+		return this._model.get(this._row, columnName);
 	}
 
 	/**
@@ -103,10 +105,9 @@ module.exports = new Class
 	 *
 	 * @param {String} columnName The column name
 	 * @param {Object} value The new value
-	 **/
-	,set: function (columnName, value)
-	{
-		return this._model.set (this._row, columnName, value);
+	 */
+	,set: function(columnName, value) {
+		return this._model.set(this._row, columnName, value);
 	}
 
 	/**
@@ -114,10 +115,9 @@ module.exports = new Class
 	 *
 	 * @param {String} columnName The column index
 	 * @return {Object} The value
-	 **/
-	,getByIndex: function (column)
-	{
-		return this._model.getByIndex (this._row, column);
+	 */
+	,getByIndex: function(column) {
+		return this._model.getByIndex(this._row, column);
 	}
 
 	/**
@@ -125,10 +125,9 @@ module.exports = new Class
 	 *
 	 * @param {String} columnName The column index
 	 * @param {Object} value The new value
-	 **/
-	,setByIndex: function (column, value)
-	{
-		return this._model.setByIndex (this._row, column, value);
+	 */
+	,setByIndex: function(column, value) {
+		return this._model.setByIndex(this._row, column, value);
 	}
 });
 
diff --git a/js/db/model.js b/js/db/model.js
index 469140d7..92d245ee 100644
--- a/js/db/model.js
+++ b/js/db/model.js
@@ -1,5 +1,5 @@
 
-var Connection = require ('./connection');
+var Connection = require('./connection');
 
 /**
  * Class to handle the Database select results. Also allows
@@ -9,174 +9,144 @@ var Connection = require ('./connection');
  * Note that table and column names must be unique in the selection query,
  * otherwise updates are not allowed on that table/column. If two tables or
  * columns have the same name, an alias should be used to make it updatable.
- **/
-var Model = new Class ();
+ */
+var Model = new Class();
 module.exports = Model;
 
-var Status =
-{
+var Status = {
 	 CLEAN    : 1
 	,LOADING  : 2
 	,READY    : 3
 	,ERROR    : 4
 };
 
-var Mode =
-{
+var Mode = {
 	 ON_CHANGE : 1
 	,ON_DEMAND : 2
 };
 
-var Operation =
-{
+var Operation = {
 	 INSERT : 1 << 1
 	,UPDATE : 1 << 2
 	,DELETE : 1 << 3
 };
 
-var SortWay =
-{
+var SortWay = {
 	 ASC   : 1
 	,DESC  : 2 
 };
 
-Model.extend
-({
+Model.extend({
 	 Status: Status
 	,Mode: Mode
 	,Operation: Operation
 	,SortWay: SortWay
 });
 
-Model.implement
-({
+Model.implement({
 	Extends: Vn.Object
 	,Tag: 'db-model'
-	,Properties:
-	{
+	,Properties: {
 		/**
 		 * The connection used to execute the statement.
-		 **/
-		conn:
-		{
+		 */
+		conn: {
 			type: Connection
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._conn = x;
-				this._autoLoad ();
+				this._autoLoad();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._conn;
 			}
 		},
 		/**
 		 * The result index.
-		 **/
-		resultIndex:
-		{
+		 */
+		resultIndex: {
 			type: Number
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._resultIndex = x;
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._resultIndex;
 			}
 		},
 		/**
-		 * The batch used to execute the statement.
-		 **/
-		batch:
-		{
-			type: Sql.Batch
-			,set: function (x)
-			{
-				this.link ({_batch: x}, {'changed': this._autoLoad});
-				this._autoLoad ();
+		 * The lot used to execute the statement.
+		 */
+		lot: {
+			type: Vn.LotIface
+			,set: function(x) {
+				this.link({_lot: x}, {'change': this._onLotChange});
+				this._onLotChange();
 			}
-			,get: function ()
-			{
-				return this._batch;
+			,get: function() {
+				return this._lot;
 			}
 		},
 		/**
 		 * The model select statement.
-		 **/
-		stmt:
-		{
+		 */
+		stmt: {
 			type: Sql.Stmt
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._stmt = x;
-				this._autoLoad ();
+				this._autoLoad();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._stmt;
 			}
 		},
 		/**
 		 * The model query.
-		 **/
-		query:
-		{
+		 */
+		query: {
 			type: String
-			,set: function (x)
-			{
-				this.stmt = new Sql.String ({query: x});
+			,set: function(x) {
+				this.stmt = new Sql.String({query: x});
 			}
-			,get: function ()
-			{
+			,get: function() {
 				if (this._stmt)
-					return this._stmt.render (null);
+					return this._stmt.render(null);
 				else
 					return null;
 			}
 		},
 		/**
 		 * The main table.
-		 **/
-		mainTable:
-		{
+		 */
+		mainTable: {
 			type: String
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._mainTable = null;
 				this._requestedMainTable = x;
-				this._refreshMainTable ();
+				this._refreshMainTable();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._mainTable;
 			}
 		},
 		/**
 		 * Determines if the model is updatable.
-		 **/
-		updatable:
-		{
+		 */
+		updatable: {
 			type: Boolean
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._updatable = false;
 				this._requestedUpdatable = x;
-				this._refreshUpdatable ();
+				this._refreshUpdatable();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._updatable;
 			}
 		},
 		/**
 		 * The number of rows in the model.
-		 **/
-		numRows:
-		{
+		 */
+		numRows: {
 			type: Number
-			,get: function ()
-			{
+			,get: function() {
 				if (this.data)
 					return this.data.length;
 	
@@ -185,39 +155,33 @@ Model.implement
 		},
 		/**
 		 * The current status of the model.
-		 **/
-		status:
-		{
+		 */
+		status: {
 			type: Number
-			,get: function ()
-			{
+			,get: function() {
 				return this._status;
 			}
 		},
 		/**
 		 * Checks if the model data is ready.
-		 **/
-		ready:
-		{
+		 */
+		ready: {
 			type: Boolean
-			,get: function ()
-			{
+			,get: function() {
 				return this._status == Status.READY;
 			}
 		},
 		/**
 		 * Update mode.
-		 **/
-		mode:
-		{
+		 */
+		mode: {
 			enumType: Mode
 			,value: Mode.ON_CHANGE
 		},
 		/**
 		 * Wether to execute the model query automatically.
-		 **/
-		autoLoad:
-		{
+		 */
+		autoLoad: {
 			type: Boolean
 			,value: true
 		}
@@ -225,7 +189,7 @@ Model.implement
 
 	,_conn: null
 	,_resultIndex: 0
-	,_batch: null
+	,_lot: null
 	,_stmt: null
 	,_status: Status.CLEAN
 	,data: null
@@ -233,6 +197,7 @@ Model.implement
 	,columns: null
 	,columnMap: null
 	,_updatable: false
+	,_paramsChanged: true
 
 	,_requestedSortIndex: -1
 	,_requestedSortName: null
@@ -248,99 +213,136 @@ Model.implement
 	,_defaults: []
 	,_requestedMainTable: null
 
-	,initialize: function (props)
-	{
-		this.parent (props);
-		this._cleanData ();
-		this._setStatus (Status.CLEAN);
+	,initialize: function(props) {
+		Vn.Object.prototype.initialize.call(this, props);
+		this._cleanData();
+		this._setStatus(Status.CLEAN);
 	}
 
-	,appendChild: function (child)
-	{
+	,appendChild: function(child) {
 		if (child.nodeType === Node.TEXT_NODE)
 			this.query = child.textContent;
 	}
 
-	,loadXml: function (builder, node)
-	{
-		this.parent (builder, node);
+	,loadXml: function(builder, node) {
+		Vn.Object.prototype.loadXml.call(this, builder, node);
 
 		var query = node.firstChild.nodeValue;
 		
 		if (query)
 			this.query = query;
 	}
-	
-	,_autoLoad: function ()
-	{
+
+	,_getHolders(stmt) {
+		if (!stmt) return null;
+		let holders = this._stmt.findHolders();
+		if (!holders) return null;
+
+		if (this._lot) {
+			const params = this._lot.params;
+			for (const holder of holders)
+			if (params[holder] instanceof Sql.Object) {
+				const paramHolders = params[holder].findHolders();
+				if (paramHolders)
+					holders = holders.concat(paramHolders);
+			}
+		}
+
+		return holders;
+	}
+
+	,_getHolderValues: function() {
+		let holders = this._getHolders(this._stmt);
+		if (!holders) return null;
+
+		const lotParams = this._lot ? this._lot.params : {};
+		const params = {};
+		for (const holder of holders)
+		if (!(lotParams[holder] instanceof Sql.Object))
+			params[holder] = lotParams[holder];
+
+		return params;
+	}
+
+	,_getHolderParams: function() {
+		let holders = this._getHolders(this._stmt);
+		if (!holders) return null;
+
+		const lotParams = this._lot ? this._lot.params : {};
+		const params = {};
+		for (const holder of holders)
+			params[holder] = lotParams[holder];
+
+		return params;
+	}
+
+	,_onLotChange: function() {
+		const params = this._getHolderValues();
+		this._paramsChanged = !Vn.Value.equals(params, this._lastParams);
+
 		if (this.autoLoad)
-			this.refresh ();
+			this.lazyRefresh();
+	}
+
+	,_autoLoad: function() {
+		if (this.autoLoad)
+			this.refresh();
 		else
-			this.clean ();
+			this.clean();
+	}
+
+	,_isReady: function(params) {
+		if (!this._stmt || !this._conn)
+			return false;
+
+		for (const param in params)
+			if (params[param] === undefined)
+				return false;
+
+		return true;
+	}
+
+	,lazyRefresh: function() {
+		if (this._paramsChanged)
+			this.refresh();
 	}
 
 	/**
 	 * Refresh the model data reexecuting the query on the database.
-	 **/
-	,refresh: function ()
-	{
-		var ready = false;
-	
-		if (this._stmt && this._conn)
-		{
-			var ids = this._stmt.findHolders ();
-		
-			if (ids)
-			{
-				if (this._batch && this._batch.isReady ())
-				{
-					ready = true;
+	 */
+	,refresh: function() {
+		const params = this._getHolderParams();
 
-					for (var i = 0; i < ids.length; i++)
-					if (!this._batch.get (ids[i]))
-					{
-						ready = false;
-						break;
-					}
-				}
-			}
-			else
-				ready = true;
-		}
-
-		if (ready)
-		{
-			this._setStatus (Status.LOADING);
-			this._conn.execStmt (this._stmt, this._selectDone.bind (this), this._batch);
-		}
-		else
-			this.clean ();
-	}
-	
-	,clean: function ()
-	{
-		this._cleanData ();
-		this._setStatus (Status.CLEAN);
+		if (this._isReady(params)) {
+			this._setStatus(Status.LOADING);
+			this._lastParams = this._getHolderValues();
+			this._paramsChanged = false;
+			this._conn.execStmt(this._stmt,
+				this._selectDone.bind(this), params);
+		} else
+			this.clean();
 	}
 
-	,_selectDone: function (resultSet)
-	{
+	,clean: function() {
+		this._cleanData();
+		this._setStatus(Status.CLEAN);
+	}
+
+	,_selectDone: function(resultSet) {
 		var result;
 		var dataResult;
 		
-		this._cleanData ();
+		this._cleanData();
 
 		try {
-			for (var i = 0; result = resultSet.fetchResult (); i++)
+			for (var i = 0; result = resultSet.fetchResult(); i++)
 			if (i == this._resultIndex)
 				dataResult = result;
 
 			if (!dataResult || typeof dataResult !== 'object')
-				throw new Error ('The provided statement doesn\'t return a result set');
-		}
-		catch (e)
-		{
-			this._setStatus (Status.ERROR);
+				throw new Error('The provided statement doesn\'t return a result set');
+		} catch (e) {
+			this._setStatus(Status.ERROR);
 			throw e;
 		}
 
@@ -348,34 +350,32 @@ Model.implement
 		this.tables = dataResult.tables;
 		this.columns = dataResult.columns;
 		this.columnMap = dataResult.columnMap;
-		this._repairColumns ();
-		this._refreshRowIndexes (0);
-		this._refreshMainTable ();
+		this._repairColumns();
+		this._refreshRowIndexes(0);
+		this._refreshMainTable();
 
 		for (column in this._requestedIndexes)
-			this._buildIndex (column);
+			this._buildIndex(column);
 
 		var sortColumn = -1;
 
 		if (this._requestedSortName)
-			sortColumn = this.getColumnIndex (this._requestedSortName);
+			sortColumn = this.getColumnIndex(this._requestedSortName);
 		else if (this._requestedSortIndex !== -1
-		&& this.checkColExists (this._requestedSortIndex))
+		&& this.checkColExists(this._requestedSortIndex))
 			sortColumn = this._requestedSortIndex;
 
 		if (sortColumn !== -1)
-			this._realSort (sortColumn, this._sortWay);
+			this._realSort(sortColumn, this._sortWay);
 	
-		this._setStatus (Status.READY);
+		this._setStatus(Status.READY);
 	}
 	
-	,_refreshRowIndexes: function (start)
-	{
+	,_refreshRowIndexes: function(start) {
 		for (var i = start; i < this.data.length; i++)
 			this.data[i].index = i;
 		
-		if (this._operationsMap)
-		{
+		if (this._operationsMap) {
 			this._operationsMap = {};
 			
 			for (var i = 0; i < this._operations.length; i++)
@@ -383,28 +383,25 @@ Model.implement
 		}
 	}
 
-	,_cleanData: function ()
-	{
+	,_cleanData: function() {
 		this.data = null;
 		this.tables = null;
 		this.columns = null;
 		this.columnMap = null;
 		this._sortColumn = -1;
 		this._indexes = [];
-		this._resetOperations ();
+		this._resetOperations();
 	}
 	
-	,_refreshUpdatable: function ()
-	{
+	,_refreshUpdatable: function() {
 		var oldValue = this._updatable;
 		this._updatable = this._mainTable !== null && this._requestedUpdatable;
 		
 		if (oldValue != this._updatable)
-			this.signalEmit ('updatable-changed');
+			this.emit('updatable-changed');
 	}
 	
-	,_refreshMainTable: function ()
-	{
+	,_refreshMainTable: function() {
 		var newMainTable = null;
 		var tables = this.tables;
 
@@ -412,14 +409,13 @@ Model.implement
 		for (var i = 0; i < tables.length; i++)
 		if (tables[i].pks.length > 0)
 		if (!this._requestedMainTable
-		|| tables[i].name === this._requestedMainTable)
-		{
+		|| tables[i].name === this._requestedMainTable) {
 			newMainTable = i;
 			break;
 		}
 
 		this._mainTable = newMainTable;
-		this._refreshUpdatable ();
+		this._refreshUpdatable();
 	}
 
 	/**
@@ -428,15 +424,9 @@ Model.implement
 	 * @param {String} field The destination field name
 	 * @param {String} table The destination table name
 	 * @param {Sql.Expr} srcColumn The default value expression
-	 **/
-	,setDefault: function (field, table, expr)
-	{
-		this._defaults.push
-		({
-			 field: field
-			,table: table
-			,expr: expr
-		});
+	 */
+	,setDefault: function(field, table, expr) {
+		this._defaults.push({field, table, expr});
 	}
 
 	/**
@@ -445,15 +435,9 @@ Model.implement
 	 * @param {String} field The destination field name
 	 * @param {String} table The destination table name
 	 * @param {Object} value The default value
-	 **/
-	,setDefaultFromValue: function (field, table, value)
-	{
-		this._defaults.push
-		({
-			 field: field
-			,table: table
-			,value: value
-		});
+	 */
+	,setDefaultFromValue: function(field, table, value) {
+		this._defaults.push({field, table, value});
 	}
 
 	/**
@@ -463,71 +447,99 @@ Model.implement
 	 * @param {String} field The destination field name
 	 * @param {String} table The destination table name
 	 * @param {String} srcColumn The source column
-	 **/
-	,setDefaultFromColumn: function (field, table, srcColumn)
-	{
-		this._defaults.push
-		({
-			 field: field
-			,table: table
-			,srcColumn: srcColumn
-		});
+	 */
+	,setDefaultFromColumn: function(field, table, srcColumn) {
+		this._defaults.push({field, table, srcColumn});
 	}
 
 	/**
-	 * Checks if the column exists.
+	 * Checks if column index exists.
 	 *
 	 * @param {integer} column The column index
 	 * @return {Boolean} %true if column exists, %false otherwise
-	 **/
-	,checkColExists: function (column)
-	{
+	 */
+	,checkColExists: function(column) {
 		return this.columns
 			&& column >= 0
 			&& column < this.columns.length;
 	}
 
+	/**
+	 * Checks if column name exists.
+	 *
+	 * @param {string} columnName The column name
+	 * @return {Boolean} %true if column exists, %false otherwise
+	 */
+	,checkColName: function(columnName) {
+		return this.columnMap
+			&& this.columnMap[columnName] != null;
+	}
+
 	/**
 	 * Checks if the row exists.
 	 *
 	 * @param {integer} rowIndex The row index
 	 * @return {Boolean} %true if row exists, %false otherwise
-	 **/
-	,checkRowExists: function (rowIndex)
-	{
+	 */
+	,checkRowExists: function(rowIndex) {
 		return this.data
 			&& rowIndex >= 0
 			&& rowIndex < this.data.length;
 	}
 	
-	,_checkTableUpdatable: function (tableIndex)
-	{
+	,_checkTableUpdatable: function(tableIndex) {
 		var tableUpdatable = tableIndex !== null
 			&& this.tables[tableIndex].pks.length > 0;
-			
-		if (!tableUpdatable)
-			console.warn ("Db.Model: Table %s is not updatable",
-				this.tables[tableIndex].name);
+
+		if (!tableUpdatable && !tableIndex) {
+			if (tableIndex)
+				console.warn("Db.Model: Table %s is not updatable",
+					this.tables[tableIndex].name);
+			else
+				console.warn("Db.Model: Model not updatable");
+		}
 				
 		return tableUpdatable;
 	}
-	
+
 	/**
 	 * Get the index of the column from its name.
 	 *
 	 * @param {string} columnName The column name
 	 * @return {number} The column index or -1 if column not exists
-	 **/
-	,getColumnIndex: function (columnName)
-	{
-		var index;
-
-		if (this.columnMap
-		&& (index = this.columnMap[columnName]) !== undefined)
-			return index;
+	 */
+	,getColumnIndex: function(columnName) {
+		if (this.checkColName(columnName))
+			return this.columnMap[columnName].index;
 
 		return -1;
 	}
+
+	/**
+	 * Get the index of the column from its name.
+	 *
+	 * @param {number} columnIndex The column name
+	 * @return {string} The column index or -1 if column not exists
+	 */
+	,getColumnName: function(columnIndex) {
+		if (this.checkColExists(columnIndex))
+			return this.columns[columnIndex].name;
+
+		return null;
+	}
+
+	/**
+	 * Gets the row as object.
+	 *
+	 * @param {number} rowIndex The row index
+	 * @return {Object} The row
+	 */
+	,getObject: function(rowIndex) {
+		if (!this.checkRowExists(rowIndex))
+			return undefined;
+
+		return this.data[rowIndex];
+	}
 	
 	/**
 	 * Gets a value from the model.
@@ -535,15 +547,10 @@ Model.implement
 	 * @param {number} rowIndex The row index
 	 * @param {string} columnName The column name
 	 * @return {mixed} The value
-	 **/
-	,get: function (rowIndex, columnName)
-	{
-		var index = this.getColumnIndex (columnName);
-	
-		if (index != -1)
-			return this.getByIndex (rowIndex, index);
-			
-		return undefined;
+	 */
+	,get: function(rowIndex, columnName) {
+		if (this.checkRowExists(rowIndex))
+			return this.data[rowIndex][columnName];
 	}
 
 	/**
@@ -552,53 +559,20 @@ Model.implement
 	 * @param {number} rowIndex The row index
 	 * @param {string} columnName The column name
 	 * @param {mixed} value The new value
-	 **/
-	,set: function (rowIndex, columnName, value)
-	{
-		var index = this.getColumnIndex (columnName);
-		
-		if (index != -1)
-			this.setByIndex (rowIndex, index, value);
-		else
-			console.warn ('Db.Model: Column %s doesn\'t exist', columnName);
-	}
-
-	/**
-	 * Gets a value from the model using the column index.
-	 *
-	 * @param {number} rowIndex The row index
-	 * @param {number} column The column index
-	 * @return {mixed} The value
-	 **/
-	,getByIndex: function (rowIndex, column)
-	{
-		if (this.checkRowExists (rowIndex) && this.checkColExists (column))
-			return this.data[rowIndex][column];
-
-		return undefined;
-	}
-
-	/**
-	 * Updates a value on the model using the column index.
-	 *
-	 * @param {number} rowIndex The row index
-	 * @param {number} col The column index
-	 * @param {mixed} value The new value
-	 **/
-	,setByIndex: function (rowIndex, col, value)
-	{
-		if (!this.checkRowExists (rowIndex)
-		&& !this.checkColExists (col))
+	 */
+	,set: function(rowIndex, columnName, value) {
+		if (!this.checkRowExists(rowIndex)
+		&& !this.checkColName(columnName))
 			return;
 
-		var tableIndex = this.columns[col].table;
+		var tableIndex = this.columnMap[columnName].table;
 			
-		if (!this._checkTableUpdatable (tableIndex))
+		if (!this._checkTableUpdatable(tableIndex))
 			return;
 
 		var row = this.data[rowIndex];
 
-		var op = this._createOperation (rowIndex);
+		var op = this._createOperation(rowIndex);
 		op.type |= Operation.UPDATE;
 
 		if (!op.oldValues)
@@ -608,14 +582,12 @@ Model.implement
 			
 		var tableOp = op.tables[tableIndex];
 		
-		if (!tableOp)
-		{
+		if (!tableOp) {
 			tableOp = Operation.UPDATE;
 			var pks = this.tables[tableIndex].pks;
 			
-			for (var i = 0; i < pks.length; i++)
-			if (!row[pks[i]] && !op.oldValues[pks[i]])
-			{
+			for (const pk of pks)
+			if (!row[pk] && !op.oldValues[pk]) {
 				tableOp = Operation.INSERT;
 				break;
 			}
@@ -624,42 +596,70 @@ Model.implement
 		}
 		
 		if (tableOp & Operation.UPDATE
-		&& op.oldValues[col] === undefined)
-			op.oldValues[col] = row[col];
+		&& op.oldValues[columnName] === undefined)
+			op.oldValues[columnName] = row[columnName];
 
-		this.signalEmit ('row-updated-before', rowIndex);
-		row[col] = value;
-		this.signalEmit ('row-updated', rowIndex, [col]);
+		this.emit('row-updated-before', rowIndex);
+		row[columnName] = value;
+		this.emit('row-updated', rowIndex, [columnName]);
 
 		if (this.mode == Mode.ON_CHANGE
 		&& !(op.type & Operation.INSERT))
-			this.performOperations ();
+			this.performOperations();
+	}
+
+	/**
+	 * Gets a value from the model using the column index.
+	 *
+	 * @param {number} rowIndex The row index
+	 * @param {number} columnIndex The column index
+	 * @return {mixed} The value
+	 */
+	,getByIndex: function(rowIndex, columnIndex) {
+		var columnName = this.getColumnName(columnIndex);
+	
+		if (columnName)
+			return this.get(rowIndex, columnName);
+
+		return undefined;
+	}
+
+	/**
+	 * Updates a value on the model using the column index.
+	 *
+	 * @param {number} rowIndex The row index
+	 * @param {number} columnIndex The column index
+	 * @param {mixed} value The new value
+	 */
+	,setByIndex: function(rowIndex, columnIndex, value) {
+		var columnName = this.getColumnName(columnIndex);
+		
+		if (columnName)
+			this.set(rowIndex, columnName, value);
+		else
+			console.warn('Db.Model: Column %d doesn\'t exist', columnIndex);
 	}
 
 	/**
 	 * Deletes a row from the model. 
 	 *
 	 * @param {number} rowIndex The row index
-	 **/
-	,deleteRow: function (rowIndex)
-	{
-		if (!this.checkRowExists (rowIndex)
-		|| !this._checkTableUpdatable (this._mainTable))
+	 */
+	,deleteRow: function(rowIndex) {
+		if (!this.checkRowExists(rowIndex)
+		|| !this._checkTableUpdatable(this._mainTable))
 			return;
 	
-		var op = this._createOperation (rowIndex);
+		var op = this._createOperation(rowIndex);
 		op.type |= Operation.DELETE;
 
-		if (!this._requestedMainTable)
-		{
-			this.signalEmit ('row-deleted-before', rowIndex);
-			this.data.splice (rowIndex, 1);
-			this.signalEmit ('row-deleted', rowIndex);
-			this._refreshRowIndexes (rowIndex);
-		}
-		else
-		{
-			this.signalEmit ('row-updated-before', rowIndex);
+		if (!this._requestedMainTable) {
+			this.emit('row-deleted-before', rowIndex);
+			this.data.splice(rowIndex, 1);
+			this.emit('row-deleted', rowIndex);
+			this._refreshRowIndexes(rowIndex);
+		} else {
+			this.emit('row-updated-before', rowIndex);
 
 			if (!op.oldValues)
 				op.oldValues = [];
@@ -667,199 +667,171 @@ Model.implement
 			var updatedCols = [];
 
 			for (var i = 0; i < this.columns.length; i++)
-			if (this.columns[i].table == this._mainTable)
-			{
-				if (op.oldValues[i] === undefined)
-					op.oldValues[i] = op.row[i];
+			if (this.columns[i].table == this._mainTable) {
+				const colName = this.columns[i].name;
 
-				op.row[i] = null;
-				updatedCols.push (i);
+				if (op.oldValues[colName] === undefined)
+					op.oldValues[colName] = op.row[colName];
+
+				op.row[colName] = null;
+				updatedCols.push(i);
 			}
 
-			this.signalEmit ('row-updated', rowIndex, updatedCols);
+			this.emit('row-updated', rowIndex, updatedCols);
 		}
 		
 		if (this.mode === Mode.ON_CHANGE)
-			this.performOperations ();
+			this.performOperations();
 	}
 
 	/**
 	 * Inserts a new row on the model.
 	 *
 	 * @return The index of the inserted row
-	 **/
-	,insertRow: function ()
-	{
-		if (!this._checkTableUpdatable (this._mainTable))
+	 */
+	,insertRow: function() {
+		if (!this._checkTableUpdatable(this._mainTable))
 			return -1;
 
 		var cols = this.columns;
-		var newRow = new Array (cols.length);
+		var newRow = {};
 		
 		for (var i = 0; i < cols.length; i++)
 		if (cols[i].table === this._mainTable)
-			newRow[i] = cols[i].def;
+			newRow[cols[i].name] = cols[i].def;
 		else
-			newRow[i] = null;
+			newRow[cols[i].name] = null;
 			
-		var rowIndex = this.data.push (newRow) - 1;
+		var rowIndex = this.data.push(newRow) - 1;
 		newRow.index = rowIndex;
 			
-		var op = this._createOperation (rowIndex);
+		var op = this._createOperation(rowIndex);
 		op.type |= Operation.INSERT;
 
-		this.signalEmit ('row-inserted', rowIndex);
+		this.emit('row-inserted', rowIndex);
 	
 		return rowIndex;
 	}
 	
 	/**
 	 * Performs all model changes on the database.
-	 **/
-	,performOperations: function ()
-	{
+	 */
+	,performOperations: function() {
 		var ops = this._operations;
 	
-		if (ops.length === 0)
-		{
-			this.signalEmit ('operations-done');
+		if (ops.length === 0) {
+			this.emit('operations-done');
 			return;
 		}
 		
-		var stmts = new Sql.MultiStmt ();
+		var stmts = new Sql.MultiStmt();
 		
-		var query = new Sql.String ({query: 'START TRANSACTION'});
-		stmts.addStmt (query);
+		var query = new Sql.String({query: 'START TRANSACTION'});
+		stmts.push(query);
 
-		for (var i = 0; i < ops.length; i++)
-		{
+		for (var i = 0; i < ops.length; i++) {
 			query = null;
 			var op = ops[i];
 
-			if (op.type & Operation.DELETE)
-			{
+			if (op.type & Operation.DELETE) {
 				if (op.type & Operation.INSERT)
 					continue;
 		
-				var where = this._createWhere (this._mainTable, op, true);
+				var where = this._createWhere(this._mainTable, op, true);
 
-				if (where)
-				{
-					query = new Sql.Delete ({where: where});
-					query.addTarget (this._createTarget (this._mainTable));
+				if (where) {
+					query = new Sql.Delete({where});
+					query.addTarget(this._createTarget(this._mainTable));
 				}
-			}
-			else if (op.type & (Operation.INSERT | Operation.UPDATE))
-			{
-				query = new Sql.MultiStmt ();
+			} else if (op.type & (Operation.INSERT | Operation.UPDATE)) {
+				query = new Sql.MultiStmt();
 
-				for (var tableIndex in op.tables)
-				{
-					var stmt = this._createDmlQuery (op, parseInt (tableIndex));
-					query.addStmt (stmt);
+				for (var tableIndex in op.tables) {
+					var stmt = this._createDmlQuery(op, parseInt(tableIndex));
+					query.push(stmt);
 				}
 			}
 
-			if (query)
-			{
-				stmts.addStmt (query);
-			}
-			else
-			{
-				console.warn ('Db.Model: %s', _('ErrorSavingChanges'));
+			if (query) {
+				stmts.push(query);
+			} else {
+				console.warn('Db.Model: %s', _('ErrorSavingChanges'));
 				return;
 			}
 		}
 
-		var query = new Sql.String ({query: 'COMMIT'});
-		stmts.addStmt (query);
+		var query = new Sql.String({query: 'COMMIT'});
+		stmts.push(query);
 	
-		this._conn.execStmt (stmts,
-			this._onOperationsDone.bind (this, ops));
+		this._conn.execStmt(stmts,
+			this._onOperationsDone.bind(this, ops));
 
-		this._resetOperations ();
+		this._resetOperations();
 	}
 
-	,_createDmlQuery: function (op, tableIndex)
-	{
-		var where = this._createWhere (tableIndex, op, false);
+	,_createDmlQuery: function(op, tableIndex) {
+		var where = this._createWhere(tableIndex, op, false);
 
 		if (!where)
 			return null;
 
-		var multiStmt = new Sql.MultiStmt ();
-		var target = this._createTarget (tableIndex);
+		var multiStmt = new Sql.MultiStmt();
+		var target = this._createTarget(tableIndex);
 		
-		var select = new Sql.Select ({where: where});
-		select.addTarget (target);
+		var select = new Sql.Select({where});
+		select.addTarget(target);
 
 		var row = op.row;
 		var cols = this.columns;
 
-		if (op.tables[tableIndex] & Operation.INSERT)
-		{
-			var dmlQuery = new Sql.Insert ();
+		if (op.tables[tableIndex] & Operation.INSERT) {
+			var dmlQuery = new Sql.Insert();
 			var table = this.tables[tableIndex];
 
-			for (var i = 0; i < this._defaults.length; i++)
-			{
-				var def = this._defaults[i];
-
-				if (def.table === table.name)
-				{
-					if (def.value)
-						dmlQuery.addSet (def.field, def.value);
-					else if (def.expr)
-						dmlQuery.addExpr (def.field, def.expr);
-					else if (def.srcColumn)
-					{
-						var columnIndex = this.getColumnIndex (def.srcColumn);
-						dmlQuery.addSet (def.field, row[columnIndex]);
-					}
-				}
+			for (const def of this._defaults)
+			if (def.table === table.name) {
+				if (def.value)
+					dmlQuery.addSet(def.field, def.value);
+				else if (def.expr)
+					dmlQuery.addExpr(def.field, def.expr);
+				else if (def.srcColumn)
+					dmlQuery.addSet(def.field, row[def.srcColumn]);
 			}
 
-			for (var i = 0; i < cols.length; i++)
-			if (cols[i].table === tableIndex)
-			{
-				if (row[i] !== null)
-					dmlQuery.addSet (cols[i].orgname, row[i]);
-
-				select.addField (cols[i].orgname);
+			for (const col of cols)
+			if (col.table === tableIndex) {
+				if (row[col.name] !== null)
+					dmlQuery.addSet(col.orgname, row[col.name]);
+				select.addField(col.orgname);
 			}
-		}
-		else
-		{
-			var updateWhere = this._createWhere (tableIndex, op, true);
+		} else {
+			var updateWhere = this._createWhere(tableIndex, op, true);
 			
 			if (!updateWhere)
 				return null;
 		
-			var dmlQuery = new Sql.Update ({where: updateWhere});
+			var dmlQuery = new Sql.Update({where: updateWhere});
 		
-			for (var i = 0; i < cols.length; i++)
-			if (cols[i].table === tableIndex && op.oldValues[i] !== undefined)
-			{
-				var fieldName = cols[i].orgname;
-				dmlQuery.addSet (fieldName, row[i]);
-				select.addField (fieldName);
+			for (const col of cols)
+			if (col.table === tableIndex && op.oldValues[col.name] !== undefined) {
+				var fieldName = col.orgname;
+				dmlQuery.addSet(fieldName, row[col.name]);
+				select.addField(fieldName);
 			}
 		}
 
-		dmlQuery.addTarget (target);
+		dmlQuery.addTarget(target);
 
-		multiStmt.addStmt (dmlQuery);
-		multiStmt.addStmt (select);
+		multiStmt.push(dmlQuery);
+		multiStmt.push(select);
 		return multiStmt;
 	}
 	
-	,_onOperationsDone: function (ops, resultSet)
-	{
-		var error = resultSet.getError ();
+	,_onOperationsDone: function(ops, resultSet) {
+		var error = resultSet.getError();
 	
-		if (error)
-		{
-			this._operations = this._operations.concat (ops);
+		if (error) {
+			this._operations = this._operations.concat(ops);
 			
 			for (var i = 0; i < ops.length; i++)
 				this._operationsMap[ops[i].row.index] = ops[i];
@@ -867,108 +839,93 @@ Model.implement
 			throw error;
 		}
 
-		resultSet.fetchResult ();
+		resultSet.fetchResult();
 		var isOperation = false;
 	
-		for (var i = 0; i < ops.length; i++)
-		{
+		for (var i = 0; i < ops.length; i++) {
 			var op = ops[i];
 			var row = op.row;
 			
 			if (!(op.type & Operation.DELETE
 			&& op.type & Operation.INSERT))
+				// eslint-disable-next-line no-unused-vars
 				isOperation = true;
 		
-			if (op.type & Operation.DELETE)
-			{
-				resultSet.fetchResult ();
-			}
-			else if (op.type & (Operation.INSERT | Operation.UPDATE))
-			{
-				this.signalEmit ('row-updated-before', row.index);
+			if (op.type & Operation.DELETE) {
+				resultSet.fetchResult();
+			} else if (op.type & (Operation.INSERT | Operation.UPDATE)) {
+				this.emit('row-updated-before', row.index);
 
 				var updatedCols = [];
 				var cols = this.columns;
 		
-				for (var tableIndex in op.tables)
-				{	
+				for (var tableIndex in op.tables) {	
 					var j = 0;
-					tableIndex = parseInt (tableIndex);
+					tableIndex = parseInt(tableIndex);
 
-					resultSet.fetchResult ();
-					var newValues = resultSet.fetchRow ();		
+					resultSet.fetchResult();
+					var newValues = resultSet.fetchRow();		
 
-					if (op.tables[tableIndex] & Operation.INSERT)
-					{
+					if (op.tables[tableIndex] & Operation.INSERT) {
 						for (var i = 0; i < cols.length; i++)
-						if (cols[i].table === tableIndex)
-						{
-							row[i] = newValues[j++];
-							updatedCols.push (i);
+						if (cols[i].table === tableIndex) {
+							row[cols[i].name] = newValues[j++];
+							updatedCols.push(i);
 						}
-					}
-					else
-					{
+					} else {
 						for (var i = 0; i < cols.length; i++)
 						if (cols[i].table === tableIndex
-						&& op.oldValues[i] !== undefined)
-						{
-							row[i] = newValues[j++];
-							updatedCols.push (i);
+						&& op.oldValues[i] !== undefined) {
+							row[cols[i].name] = newValues[j++];
+							updatedCols.push(i);
 						}
 					}
 				}
 
-				this.signalEmit ('row-updated', row.index, updatedCols);
+				this.emit('row-updated', row.index, updatedCols);
 			}
 		}
 		
-		resultSet.fetchResult ();
+		resultSet.fetchResult();
 			
 //		if (isOperation)
-			this.signalEmit ('operations-done');
+			this.emit('operations-done');
 	}
 	
 	/**
 	 * Undoes all unsaved changes made to the model.
-	 **/
-	,reverseOperations: function ()
-	{
-		for (var i = 0; i < this._operations.length; i++)
-		{
+	 */
+	,reverseOperations: function() {
+		for (var i = 0; i < this._operations.length; i++) {
 			var op = this._operations[i];
 			var row = op.row;
 
 			if (op.type & Operation.DELETE
-			&& !(op.type & Operation.INSERT))
-			{
-				this.data.splice (row.index, 0, row);
-				this.signalEmit ('row-inserted', row.index);
-			}
-			else if (op.type & Operation.UPDATE)
-			{
-				this.signalEmit ('row-updated-before', row.index);
+			&& !(op.type & Operation.INSERT)) {
+				this.data.splice(row.index, 0, row);
+				this.emit('row-inserted', row.index);
+			} else if (op.type & Operation.UPDATE) {
+				this.emit('row-updated-before', row.index);
 
 				var updatedCols = [];
 				var cols = this.columns;
 
 				for (var i = 0; i < cols.length; i++)
-				if (op.oldValues[i] !== undefined)
-				{
-					row[i] = op.oldValues[i];
-					updatedCols.push (i);
+				if (op.oldValues[i] !== undefined) {
+					const colName = cols[i].name;
+					row[colName] = op.oldValues[colName];
+					updatedCols.push(i);
 				}
 
-				this.signalEmit ('row-updated', row.index, updatedCols);
+				this.emit('row-updated', row.index, updatedCols);
 			}
 		}
 
-		this._resetOperations ();
-		this._refreshRowIndexes (0);
+		this._resetOperations();
+		this._refreshRowIndexes(0);
 	}
 	
-	,_resetOperations: function ()
-	{
+	,_resetOperations: function() {
 		this._operations = [];
 		this._operationsMap = {};
 	}
@@ -976,8 +933,7 @@ Model.implement
 	/*
 	 * Function used to sort the model ascending.
 	 */
-	,sortFunctionAsc: function (column, a, b)
-	{
+	,sortFunctionAsc: function(column, a, b) {
 		if (a[column] < b[column])
 			return -1;
 		else if (a[column] > b[column])
@@ -989,8 +945,7 @@ Model.implement
 	/*
 	 * Function used to sort the model descending.
 	 */
-	,sortFunctionDesc: function (column, a, b)
-	{
+	,sortFunctionDesc: function(column, a, b) {
 		if (a[column] > b[column])
 			return -1;
 		else if (a[column] < b[column])
@@ -1002,18 +957,15 @@ Model.implement
 	/**
 	 * Orders the model by the specified column name.
 	 *
-	 * @param {integer} column The column name
+	 * @param {integer} columnName The column name
 	 * @param {SortWay} way The sort way
-	 **/
-	,sortByName: function (columnName, way)
-	{
+	 */
+	,sortByName: function(columnName, way) {
 		this._requestedSortIndex = -1;
 		this._requestedSortName = columnName;
 
-		var index = this.getColumnIndex (columnName);
-		
-		if (index != -1)
-			this._sort (index, way);
+		if (this.checkColName(columnName))
+			this._sort(columnName, way);
 	}
 
 	/**
@@ -1021,43 +973,38 @@ Model.implement
 	 *
 	 * @param {integer} column The column index
 	 * @param {SortWay} way The sort way
-	 **/
-	,sort: function (column, way)
-	{
+	 */
+	,sort: function(column, way) {
 		this._requestedSortIndex = column;
 		this._requestedSortName = null;
 
-		if (!this.checkColExists (column))
-			return;
+		const columnName = this.getColumnName(column);
+		if (columnName) return;
 
-		this._sort (column, way);
+		this._sort(columnName, way);
 	}
 	 
-	,_sort: function (column, way)
-	{
-		this._setStatus (Status.LOADING);
-		this._realSort (column, way);
-		this._setStatus (Status.READY);
+	,_sort: function(column, way) {
+		this._setStatus(Status.LOADING);
+		this._realSort(column, way);
+		this._setStatus(Status.READY);
 	}
 	
-	,_realSort: function (column, way)
-	{
-		if (column !== this._sortColumn)
-		{
+	,_realSort: function(column, way) {
+		if (column !== this._sortColumn) {
 			if (way === SortWay.DESC)
 				var sortFunction = this.sortFunctionDesc;
 			else
 				var sortFunction = this.sortFunctionAsc;
 	
-			this.data.sort (sortFunction.bind (this, column));
-		}
-		else if (way !== this._sortWay)
-			this.data.reverse ();
+			this.data.sort(sortFunction.bind(this, column));
+		} else if (way !== this._sortWay)
+			this.data.reverse();
 
 		this._sortColumn = column;
 		this._sortWay = way;
 
-		this._refreshRowIndexes (0);
+		this._refreshRowIndexes(0);
 	}
 
 	/**
@@ -1068,38 +1015,32 @@ Model.implement
 	 * FIXME: Not fully implemented.
 	 *
 	 * @param {String} column The column name
-	 **/
-	,indexColumn: function (column)
-	{
+	 */
+	,indexColumn: function(column) {
 		this._requestedIndexes[column] = true;
 
 		if (this._status === Status.READY)
-			this._buildIndex (column);
+			this._buildIndex(column);
 	}
 
-	,_buildIndex: function (column)
-	{
-		var columnIndex = this.getColumnIndex (column);
-
-		if (columnIndex !== -1)
-		{
+	,_buildIndex: function(columnName) {
+		if (this.checkColName(columnName)) {
 			var index = {};
 			var data = this.data;
 
-			switch (this.columns[columnIndex].type)
-			{
+			switch (this.columns[columnName].type) {
 				case Connection.Type.TIMESTAMP:
 				case Connection.Type.DATE_TIME:
 				case Connection.Type.DATE:
 					for (var i = 0; i < data.length; i++)
-						index[data[i][columnIndex].toString ()] = i;
+						index[data[i][columnName].toString()] = i;
 					break;
 				default:
 					for (var i = 0; i < data.length; i++)
-						index[data[i][columnIndex]] = i;
+						index[data[i][columnName]] = i;
 			}
 
-			this._indexes[columnIndex] = index;
+			this._indexes[columnName] = index;
 		}
 	}
 
@@ -1109,129 +1050,118 @@ Model.implement
 	 * If an index have been built on that column, it will be used, for more
 	 * information see the indexColumn() method.
 	 *
-	 * @param {String} column The column name
+	 * @param {String} columnName The column name
 	 * @param {Object} value The value to search
 	 * @return {integer} The column index
-	 **/
-	,search: function (column, value)
-	{
-		var index = this.getColumnIndex (column);
-		return this.searchByIndex (index, value);
+	 */
+	,search: function(columnName, value) {
+		if (!this.checkColName(columnName))
+			return -1;
+		
+		if (value)
+		switch (this.columnMap[columnName].type) {
+			case Connection.Type.BOOLEAN:
+				value = !!value;
+				break;
+			case Connection.Type.INTEGER:
+				value = parseInt(value);
+				break;
+			case Connection.Type.DOUBLE:
+				value = parseFloat(value);
+				break;
+			default:
+				value = value.toString();
+		}
+
+		let rowIndex = -1;
+		const index = this._indexes[columnName];
+		
+		if (index) {
+			// Searchs the value using an internal index
+
+			if (index[value] !== undefined)
+				rowIndex = index[value];
+		} else {
+			// Searchs the value using a loop
+
+			var data = this.data;
+		
+			switch (this.columnMap[columnName].type) {
+			case Connection.Type.TIMESTAMP:
+			case Connection.Type.DATE_TIME:
+			case Connection.Type.DATE:
+				for (var i = 0; i < data.length; i++)
+				if (value === data[i][columnName].toString()) {
+					rowIndex = i;
+					break;
+				}
+				break;
+			default:
+				for (var i = 0; i < data.length; i++)
+				if (value === data[i][columnName]) {
+					rowIndex = i;
+					break;
+				}
+			}
+		}
+
+		return rowIndex;
 	}
 
 	/**
 	 * Searchs a value on the model and returns the row index of the first
 	 * ocurrence.
 	 *
-	 * @param {integer} col The column index
+	 * @param {integer} columnIndex The column index
 	 * @param {Object} value The value to search
 	 * @return {integer} The column index
-	 **/
-	,searchByIndex: function (col, value)
-	{
-		if (!this.checkColExists (col))
-			return -1;
-		
-		if (value)
-		switch (this.columns[col].type)
-		{
-			case Connection.Type.BOOLEAN:
-				value = !!value;
-				break;
-			case Connection.Type.INTEGER:
-				value = parseInt (value);
-				break;
-			case Connection.Type.DOUBLE:
-				value = parseFloat (value);
-				break;
-			default:
-				value = value.toString ();
-		}
-		
-		// Searchs the value using an internal index.
-		
-		var index = this._indexes[col];
-		
-		if (index)
-		{
-			if (index[value] !== undefined)
-				return index[value];
-				
-			return -1;
-		}
-		
-		// Searchs the value using a loop.
-
-		var data = this.data;
-	
-		switch (this.columns[col].type)
-		{
-			case Connection.Type.TIMESTAMP:
-			case Connection.Type.DATE_TIME:
-			case Connection.Type.DATE:
-			{
-				for (var i = 0; i < data.length; i++)
-				if (value === data[i][col].toString ())
-					return i;
-
-				break;
-			}
-			default:
-				for (var i = 0; i < data.length; i++)
-				if (value === data[i][col])
-					return i;
-		}
-		
-		return -1;
+	 */
+	,searchByIndex: function(columnIndex, value) {
+		var columnName = this.getColumnName(columnIndex);
+		return this.search(columnName, value);
 	}
 
-	,_setStatus: function (status)
-	{
+	,_setStatus: function(status) {
 		this._status = status;
-		this.signalEmit ('status-changed', status);
-		this.signalEmit ('status-changed-after', status);
+		this.emit('status-changed', status);
+		this.emit('status-changed-after', status);
 	}
 	
-	,_createTarget: function (tableIndex)
-	{
+	,_createTarget: function(tableIndex) {
 		var table = this.tables[tableIndex];
 
-		return new Sql.Table
-		({
+		return new Sql.Table({
 			 name: table.orgname
 			,schema: table.schema
 		});
 	}
 
-	,_createWhere: function (tableIndex, op, useOldValues)
-	{
-		var where = new Sql.Operation ({type: Sql.Operation.Type.AND});
-		var pks = this.tables[tableIndex].pks;
+	,_createWhere: function(tableIndex, op, useOldValues) {
+		const where = new Sql.Operation({type: Sql.Operation.Type.AND});
+		const pks = this.tables[tableIndex].pks;
 		
 		if (pks.length === 0)
 			return null;
 
-		for (var i = 0; i < pks.length; i++)
-		{
-			var col = pks[i];
-			var column = this.columns[col];
+		for (const pk of pks) {
+			const column = this.columnMap[pk];
 		
-			var equalOp = new Sql.Operation ({type: Sql.Operation.Type.EQUAL});
-			equalOp.exprs.add (new Sql.Field ({name: column.orgname}));
-			where.exprs.add (equalOp);
+			const equalOp = new Sql.Operation({type: Sql.Operation.Type.EQUAL});
+			equalOp.push(new Sql.Field({name: column.orgname}));
+			where.push(equalOp);
 
-			var pkValue = null;
+			let pkValue = null;
 			
 			if (useOldValues && op.oldValues
-			&& op.oldValues[col] !== undefined)
-				pkValue = op.oldValues[col];
+			&& op.oldValues[pk] !== undefined)
+				pkValue = op.oldValues[pk];
 			else
-				pkValue = op.row[col];
+				pkValue = op.row[pk];
 
 			if (pkValue)
-				equalOp.exprs.add (new Sql.Value ({value: pkValue}));
+				equalOp.push(new Sql.Value({value: pkValue}));
 			else if (column.flags & Connection.Flag.AI && !useOldValues)
-				equalOp.exprs.add (new Sql.Function ({name: 'LAST_INSERT_ID'}));
+				equalOp.push(new Sql.Function({name: 'LAST_INSERT_ID'}));
 			else
 				return null;
 		}
@@ -1239,17 +1169,15 @@ Model.implement
 		return where;
 	}
 
-	,_createOperation: function (rowIndex)
-	{
+	,_createOperation: function(rowIndex) {
 		var op = this._operationsMap[rowIndex];
 
-		if (!op)
-		{		
+		if (!op) {		
 			op = {
 				type: 0,
 				row: this.data[rowIndex]
 			};
-			this._operations.push (op);
+			this._operations.push(op);
 			this._operationsMap[rowIndex] = op;
 		}
 			
@@ -1270,30 +1198,26 @@ Model.implement
 	 * @param {String} schema The original table schema
 	 * @param {Array} pks Array with the names of primary keys
 	 * @param {String} ai The autoincrement column name
-	 **/
-	,setInfo: function (table, orgname, schema, pks, ai)
-	{
+	 */
+	,setInfo: function(table, orgname, schema, pks, ai) {
 		if (!this.tableInfo)
 			this.tableInfo = {};
 	
-		this.tableInfo[table] =
-		{
-			orgname: orgname,
-			schema: schema,
-			pks: pks,
-			ai: ai
+		this.tableInfo[table] = {
+			orgname,
+			schema,
+			pks,
+			ai
 		};
 		
-		this._repairColumns ();
+		this._repairColumns();
 	}
 
-	,_repairColumns: function ()
-	{
+	,_repairColumns: function() {
 		// Repairs wrong table info
 
 		if (this.tableInfo && this.tables)
-		for (var i = 0; i < this.tables.length; i++)
-		{
+		for (var i = 0; i < this.tables.length; i++) {
 			var table = this.tables[i];
 			var tableInfo = this.tableInfo[table.name];
 		
@@ -1303,32 +1227,25 @@ Model.implement
 			table.orgname = tableInfo.orgname;
 			table.schema = tableInfo.schema;
 
-			if (tableInfo.pks)
-			{
+			if (tableInfo.pks) {
 				table.pks = [];
 			
-				for (var j = 0; j < tableInfo.pks.length; j++)
-				{
-					var colIndex = this.getColumnIndex (tableInfo.pks[j]);
-					
-					if (colIndex !== -1)
-						table.pks.push (colIndex);
+				for (const pk of tableInfo.pks) {
+					if (this.checkColName(pk))
+						table.pks.push(pk);
 					else
-						console.warn ('Db.Model: Can\'t repair primary key: `%s`.`%s`'
+						console.warn('Db.Model: Can\'t repair primary key: `%s`.`%s`'
 							,tableInfo.orgname
-							,tableInfo.pks[j]
+							,pk
 						);
 				}
 			}
 
-			if (tableInfo.ai)
-			{
-				var colIndex = this.getColumnIndex (tableInfo.ai);
-				
-				if (colIndex !== -1)
-					this.columns[colIndex].flags |= Connection.Flag.AI;
+			if (tableInfo.ai) {
+				if (this.checkColName(tableInfo.ai))
+					this.columnMap[tableInfo.ai].flags |= Connection.Flag.AI;
 				else
-					console.warn ('Db.Model: Can\'t repair autoincrement column: `%s`.`%s`'
+					console.warn('Db.Model: Can\'t repair autoincrement column: `%s`.`%s`'
 						,tableInfo.orgname
 						,tableInfo.ai
 					);
diff --git a/js/db/param.js b/js/db/param.js
deleted file mode 100644
index 02058053..00000000
--- a/js/db/param.js
+++ /dev/null
@@ -1,118 +0,0 @@
-
-var Form = require ('./form');
-
-module.exports = new Class
-({
-	Extends: Vn.Param
-	,Tag: 'db-param'
-	,Parent: 'form'
-	,Properties:
-	{
-		/**
-		 * The form field referenced by this param.
-		 **/
-		column:
-		{
-			type: String
-			,set: function (x)
-			{ 
-				this._columnName = x;
-				this.refresh ();
-			}
-			,get: function ()
-			{
-				this._columnName;
-			}
-		},
-		/**
-		 * The form referenced by this param.
-		 **/
-		form:
-		{
-			type: Form
-			,set: function (x)
-			{
-				this.link ({_form: x},
-				{
-					 'status-changed': this.onFormChange
-					,'iter-changed': this.onIterChange
-				});
-
-				this.refresh ();
-			}
-			,get: function ()
-			{
-				return this._form;
-			}
-		},
-		/**
-		 * Determines whether the link to the form is unidirectional, ie, a
-		 * change in the form updates the parameter but not vice versa.
-		 **/
-		oneWay:
-		{
-			type: Boolean
-			,set: function (x)
-			{
-				this._oneWay = x;
-			}
-			,get: function ()
-			{
-				return this._oneWay;
-			}
-		}
-	}
-
-	,_columnName: null
-	,_form: null
-	,_formLock: false
-	,_columnIndex: -1
-	,_oneWay: false
-	,_formValue: null
-	
-	,initialize: function (props)
-	{
-		this.parent (props);
-		this.on ('changed', this.onChange, this);
-	}
-	
-	,refresh: function ()
-	{
-		if (this._form)
-		{
-			this.onFormChange ();
-			this.onIterChange ();
-		}
-	}
-
-	,onFormChange: function ()
-	{
-		if (this._columnName != null)
-			this._columnIndex = this._form.getColumnIndex (this._columnName);
-	}
-
-	,onIterChange: function ()
-	{
-		if (this._oneWay && this.value != null)
-			return;
-
-		this._formLock = true;
-		
-		var formValue;
-	
-		if (this._columnIndex !== -1)
-			formValue = this._form.getByIndex (this._columnIndex);
-		else
-			formValue = undefined;
-		
-		this.value = formValue;		
-		this._formLock = false;
-	}
-
-	,onChange: function ()
-	{
-		if (!this._formLock && this._columnIndex != -1 && !this.oneWay)
-			this._form.setByIndex (this._columnIndex, this._value);
-	}
-});
-
diff --git a/js/db/query.js b/js/db/query.js
index c0e9f64c..95685a25 100644
--- a/js/db/query.js
+++ b/js/db/query.js
@@ -1,100 +1,78 @@
 
-var Connection = require ('./connection');
+var Connection = require('./connection');
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Vn.Object
 	,Tag: 'db-query'
-	,Properties:
-	{
+	,Properties: {
 		/**
 		 * The connection used to execute the statement.
-		 **/
-		conn:
-		{
+		 */
+		conn: {
 			type: Connection
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._conn = x;
-				this.onChange ();
+				this.onChange();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._conn;
 			}
 		},
 		/**
 		 * The model query.
-		 **/
-		query:
-		{
+		 */
+		query: {
 			type: String
-			,set: function (x)
-			{
-				this._stmt = new Sql.String ({query: x});
-				this.onChange ();
+			,set: function(x) {
+				this._stmt = new Sql.String({query: x});
+				this.onChange();
 			}
-			,get: function ()
-			{
-				return this._stmt.render (null);
+			,get: function() {
+				return this._stmt.render(null);
 			}
 		},
 		/**
 		 * The model select statement.
-		 **/
-		stmt:
-		{
+		 */
+		stmt: {
 			type: Sql.Stmt
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._stmt = x;
-				this.onChange ();
+				this.onChange();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._stmt;
 			}
 		},
 		/**
-		 * The batch used to execute the statement.
-		 **/
-		batch:
-		{
-			type: Sql.Batch
-			,set: function (x)
-			{
-				this.link ({_batch: x}, {'changed': this.onChange});
-				this.onChange ();
+		 * The lot used to execute the statement.
+		 */
+		lot: {
+			type: Vn.LotIface
+			,set: function(x) {
+				this.link({_lot: x}, {'change': this.onChange});
+				this.onChange();
 			}
-			,get: function ()
-			{
-				return this._batch;
+			,get: function() {
+				return this._lot;
 			}
 		},
 		/**
 		 * Wether to execute automatically de query que it's ready.
-		 **/
-		autoLoad:
-		{
+		 */
+		autoLoad: {
 			type: Boolean,
 			value: false
 		}
 	}
 
-	,initialize: function (props)
-	{
-		this.parent (props);
-	}
-
-	,appendChild: function (child)
-	{
+	,appendChild: function(child) {
 		if (child.nodeType === Node.TEXT_NODE)
 			this.query = child.textContent;
 	}
 
-	,loadXml: function (builder, node)
-	{
-		this.parent (builder, node);
+	,loadXml: function(builder, node) {
+		Vn.Object.prototype.loadXml.call(this, builder, node);
 
 		var query = node.firstChild.nodeValue;
 		
@@ -102,21 +80,18 @@ module.exports = new Class
 			this.query = query;
 	}
 	
-	,execute: function ()
-	{
-		this._conn.execStmt (this._stmt,
-			this.onQueryDone.bind (this), this._batch);
+	,execute: function() {
+		this._conn.execStmt(this._stmt,
+			this.onQueryDone.bind(this), this._lot);
 	}
 	
-	,onQueryDone: function (resultSet)
-	{
-		this.signalEmit ('ready', resultSet);
+	,onQueryDone: function(resultSet) {
+		this.emit('ready', resultSet);
 	}
 	
-	,onChange: function ()
-	{
-		if (this.autoLoad && this._conn && this._stmt && this._batch)
-			this.execute ();
+	,onChange: function() {
+		if (this.autoLoad && this._conn && this._stmt && this._lot)
+			this.execute();
 	}
 });
 
diff --git a/js/db/result-set.js b/js/db/result-set.js
index 241a219b..8d4d4d94 100644
--- a/js/db/result-set.js
+++ b/js/db/result-set.js
@@ -3,14 +3,14 @@ var Result = require('./result');
 
 /**
  * This class stores the database results.
- **/
+ */
 module.exports = new Class({
 	 results: null
 	,error: null
 
 	/**
 	 * Initilizes the resultset object.
-	 **/
+	 */
 	,initialize: function(results, error) {
 		this.results = results;
 		this.error = error;
@@ -20,7 +20,7 @@ module.exports = new Class({
 	 * Gets the query error.
 	 *
 	 * @return {Db.Err} the error or null if no errors hapened
-	 **/
+	 */
 	,getError: function() {
 		return this.error;
 	}
@@ -40,7 +40,7 @@ module.exports = new Class({
 	 * Fetchs the next result from the resultset.
 	 *
 	 * @return {Db.Result} the result or %null if error or there are no more results
-	 **/
+	 */
 	,fetchResult: function() {
 		var result = this.fetch();
 	
@@ -53,35 +53,34 @@ module.exports = new Class({
 
 		return null;
 	}
-	
+
 	/**
-	 * Fetchs the first row from the next resultset.
+	 * Fetchs the first row object from the next resultset.
 	 *
 	 * @return {Array} the row if success, %null otherwise
-	 **/
-	,fetchRow: function() {
+	 */
+	,fetchObject: function() {
 		var result = this.fetch();
 
 		if (result !== null
 		&& result.data instanceof Array
 		&& result.data.length > 0)
 			return result.data[0];
-			
+
 		return null;
 	}
 
-	,fetchObject: function() {
+	/**
+	 * Fetchs data from the next resultset.
+	 *
+	 * @return {Array} the data
+	 */
+	,fetchData: function() {
 		var result = this.fetch();
 
 		if (result !== null
-		&& result.data instanceof Array
-		&& result.data.length > 0) {
-			var row = result.data[0];
-			var object = {};
-			for(var i = 0; i < row.length; i++)
-				object[result.columns[i].name] = row[i];
-			return object;
-		}
+		&& result.data instanceof Array)
+			return result.data;
 
 		return null;
 	}
@@ -90,7 +89,7 @@ module.exports = new Class({
 	 * Fetchs the first row and column value from the next resultset.
 	 *
 	 * @return {Object} the value if success, %null otherwise
-	 **/
+	 */
 	,fetchValue: function() {
 		var row = this.fetchRow();
 
@@ -99,5 +98,26 @@ module.exports = new Class({
 
 		return null;
 	}
+
+	/**
+	 * Fetchs the first row from the next resultset.
+	 *
+	 * @return {Array} the row if success, %null otherwise
+	 */
+	,fetchRow: function() {
+		var result = this.fetch();
+
+		if (result !== null
+		&& result.data instanceof Array
+		&& result.data.length > 0) {
+			var object = result.data[0];
+			var row = new Array(result.columns.length);
+			for(var i = 0; i < row.length; i++)
+				row[i] = object[result.columns[i].name];
+			return row;
+		}
+			
+		return null;
+	}
 });
 
diff --git a/js/db/result.js b/js/db/result.js
index 90466c93..b8395ba1 100644
--- a/js/db/result.js
+++ b/js/db/result.js
@@ -1,26 +1,25 @@
 /**
  * This class stores a database result.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	/**
 	 * Initilizes the result object.
-	 **/
-	initialize: function (result)
-	{
+	 */
+	initialize: function(result) {
 		this.data = result.data;
 		this.tables = result.tables;
 		this.columns = result.columns;
 		this.row = -1;
 		
-		if (this.columns)
-		{
+		if (this.columns) {
 			this.columnMap = {};
 
-			for (var i = 0; i < this.columns.length; i++)
-				this.columnMap[this.columns[i].name] = i;
-		}
-		else
+			for (var i = 0; i < this.columns.length; i++) {
+				const col = this.columns[i];
+				col.index = i;
+				this.columnMap[col.name] = col;
+			}
+		} else
 			this.columnMap = null;
 	}
 	
@@ -29,26 +28,31 @@ module.exports = new Class
 	 *
 	 * @param {String} columnName The column name
 	 * @return {Object} The cell value
-	 **/
-	,get: function (columnName)
-	{
-		var columnIndex = this.columnMap[columnName];
-		return this.data[this.row][columnIndex];
+	 */
+	,get: function(columnName) {
+		return this.data[this.row][columnName];
+	}
+
+	/**
+	 * Gets a row.
+	 *
+	 * @return {Object} The cell value
+	 */
+	,getObject: function() {
+		return this.data[this.row];
 	}
 	
 	/**
 	 * Resets the result iterator.
-	 **/
-	,reset: function ()
-	{
+	 */
+	,reset: function() {
 		this.row = -1;
 	}
 	
 	/**
 	 * Moves the internal iterator to the next row.
-	 **/
-	,next: function ()
-	{
+	 */
+	,next: function() {
 		this.row++;
 		
 		if (this.row >= this.data.length)
diff --git a/js/db/simple-iterator.js b/js/db/simple-iterator.js
index 7aca8a49..564e207e 100644
--- a/js/db/simple-iterator.js
+++ b/js/db/simple-iterator.js
@@ -1,54 +1,44 @@
 
-var Iterator = require ('./iterator');
-var Model = require ('./model');
+var Iterator = require('./iterator');
+var Model = require('./model');
 
 /**
  * A light iterator for models.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Vn.Object
 	,Implements: Iterator
-	,Properties:
-	{
+	,Properties: {
 		/**
 		 * The model associated to this form.
-		 **/
-		model:
-		{
+		 */
+		model: {
 			type: Model
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._model = x;
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._model;
 			}
 		},
 		/**
 		 * The row where the form positioned, has -1 if the row is unselected.
-		 **/
-		row:
-		{
+		 */
+		row: {
 			type: Number
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._row = x;
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._row;
 			}
 		},
 		/**
 		 * The number of rows in the form.
-		 **/
-		numRows:
-		{
+		 */
+		numRows: {
 			type: Number
-			,get: function ()
-			{
+			,get: function() {
 				if (this._model)
 					return this._model.numRows;
 
@@ -57,17 +47,24 @@ module.exports = new Class
 		},
 		/**
 		 * Checks if the form data is ready.
-		 **/
-		ready:
-		{
+		 */
+		ready: {
 			type: Boolean
-			,get: function ()
-			{
+			,get: function() {
 				if (this._model)
 					return this._model.ready;
 					
 				return false;
 			}
+		},
+		/**
+		 * The row object.
+		 */
+		$: {
+			type: Object
+			,get: function() {
+				return this._model.getObject(this._row);
+			}
 		}
 	}
 });
diff --git a/js/hedera/app.js b/js/hedera/app.js
index a27fa926..0c325c4a 100644
--- a/js/hedera/app.js
+++ b/js/hedera/app.js
@@ -16,7 +16,7 @@ module.exports = new Class({
 	,initialize: function() {
 		window.onerror = this._onWindowError.bind(this);
 		window.onunload = this._onWindowUnload.bind(this);
-		Vn.Hash.initialize();
+		this._hash = new Vn.Hash({window: window});
 
 		var conn = new Db.Connection();
 		this.link({_conn: conn}, {'error': this._onConnError});
@@ -28,7 +28,10 @@ module.exports = new Class({
 		if (this.tryAutoLogin())
 			return;
 	
-		var login = this._login = new Login({conn: this._conn});
+		var login = this._login = new Login({
+			conn: this._conn,
+			hash: this._hash
+		});
 		login.on('login', this._onLogin, this);
 		login.show();
 	}
@@ -39,7 +42,10 @@ module.exports = new Class({
 		if (this._gui)
 			return;
 		
-		var gui = this._gui = new Gui({conn: this._conn});
+		var gui = this._gui = new Gui({
+			conn: this._conn,
+			hash: this._hash
+		});
 		gui.on('logout', this._onLogout, this);
 		gui.show();
 	}
@@ -62,38 +68,42 @@ module.exports = new Class({
 	}
 
 	,_onConnError: function(conn, error) {
-		if (error instanceof Vn.JsonException)
-		switch (error.exception) {
-			case 'BadLogin':
-				Htk.Toast.showError(_('Invalid login'));
-				this._logout();
-				break;
-			case 'Forbidden':
-				Htk.Toast.showError(_('You don\'t have enough privileges'));
-				break;
-			case 'UserDisabled':
-				Htk.Toast.showError(_('User disabled'));
-				this._logout();
-				break;
-			case 'SessionExpired':
-				Htk.Toast.showError(_('Session expired'));
-				this._logout();
-				break;
-			case 'OutdatedVersion':
-				this._newVersion(error);
-				break;
-			default:
+		if (error instanceof Vn.JsonException) {
+			if (error.message)
 				Htk.Toast.showError(error.message);
-		} else if (error.statusCode)
-		switch (error.statusCode) {
+			else
+				switch (error.exception) {
+				case 'BadLogin':
+					Htk.Toast.showError(_('Invalid login'));
+					this._logout();
+					break;
+				case 'Forbidden':
+					Htk.Toast.showError(_('You don\'t have enough privileges'));
+					break;
+				case 'UserDisabled':
+					Htk.Toast.showError(_('User disabled'));
+					this._logout();
+					break;
+				case 'SessionExpired':
+					Htk.Toast.showError(_('Session expired'));
+					this._logout();
+					break;
+				case 'OutdatedVersion':
+					this._newVersion(error);
+					break;
+				default:
+					Htk.Toast.showError(error.message);
+				}
+		} else if (error.statusCode) {
+			switch (error.statusCode) {
 			case 401:
 				Htk.Toast.showError(_('Invalid login'));
 				this._logout();
 				break;
 			default:
 				Htk.Toast.showError(error.message);
-		}
-		else {
+			}
+		} else {
 			console.error(error);
 			this._notifyError(error);
 		}
@@ -160,6 +170,7 @@ module.exports = new Class({
 		this._freeGui();
 		this.deinitAutoLogin();
 		this._conn.unref();
+		this._hash.unref();
 	}
 	
 	// Auto login functionality
@@ -167,15 +178,17 @@ module.exports = new Class({
 	,_firstLogin: true
 
 	,initAutoLogin: function() {
-		var isGuest = new Vn.HashParam({
+		var isGuest = new Vn.Param({
+			lot: this._hash,
 			type: Boolean,
-			key: 'guest'
+			name: 'guest'
 		});
 		this.link({_isGuest: isGuest}, {'changed': this._onGuestChange});
 
-		var token = new Vn.HashParam({
+		var token = new Vn.Param({
+			lot: this._hash,
 			type: String,
-			key: 'token'
+			name: 'token'
 		});
 		this.link({_token: token}, {'changed': this._onTokenChange});
 	}
diff --git a/js/hedera/basket-checker.js b/js/hedera/basket-checker.js
index abde2365..624a76ff 100644
--- a/js/hedera/basket-checker.js
+++ b/js/hedera/basket-checker.js
@@ -1,6 +1,7 @@
 
 module.exports = {
-	check: function(conn, callback) {
+	check: function(conn, hash, callback) {
+		this.hash = hash;
 		conn.execQuery('CALL myBasket_check',
 			this._onBasketCheck.bind(this, callback));
 	},
@@ -18,7 +19,7 @@ module.exports = {
 		if (callback)
 			callback(isOk);
 		if (!isOk)
-			Vn.Hash.set({form: 'ecomerce/checkout'});
+			this.hash.setAll({form: 'ecomerce/checkout'});
 	}
 };
 
diff --git a/js/hedera/form.js b/js/hedera/form.js
index 7040315c..f07f3b38 100644
--- a/js/hedera/form.js
+++ b/js/hedera/form.js
@@ -1,125 +1,110 @@
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Vn.Object
 	
 	,isOpen: false
 	,uiLoaded: false
 
-	,initialize: function (gui, formInfo)
-	{
+	,initialize: function(gui, formInfo) {
 		this.gui = gui;
 		this.conn = gui.conn;
 		this.hash = gui.hash;
 		this.formInfo = formInfo;
 	}
-
-	/**
-	 * Gets an object from the builder associated to this form.
-	 *
-	 * @param {string} objectId The object identifier
-	 * @return {Object} The object, or %null if not found
-	 **/
-	,$: function (objectId)
-	{
-		if (this.builder)
-			return this.builder.getById (objectId);
-			
-		return null;
-	}
 	
-	,loadUi: function ()
-	{
+	,loadUi: function() {
 		if (!this.isOpen)
 			return;
+
+		const conn = this.conn;
+		const hash = this.hash;
 	
-		var builder = new Vn.Builder ();
-		builder.signalData = this;
-		builder.add ('conn', this.conn);
-		builder.loadXml ('forms/'+ this.formInfo.path +'/ui.xml');
+		const builder = new Vn.Builder();
+		builder.compileFile(`forms/${this.formInfo.path}/ui.xml`);
 
-		var res = this.builder = builder.load ();
-		this.node = res.$('form');
-		res.link ();
+		const scope = this.builder = builder.load(null, this);
+		this.$ = scope.$;
+		scope.link({conn, hash});
+		this.node = scope.$.form;
+		this.node.$ctrl = this;
 
-		var models = res.getByTagName ('db-model');
+		const paramsLot = this.$.params;
+		if (paramsLot) {
+			paramsLot.source = hash;
+			this.params = paramsLot;
+		}
 
-		for (var i = 0; i < models.length; i++)
-			models[i].conn = this.conn;
+		function setConnection(tagName) {
+			const objects = scope.getByTagName(tagName);
+			for (let i = 0; i < objects.length; i++)
+				objects[i].conn = conn;
+		}
 
-		var queries = res.getByTagName ('db-query');
-
-		for (var i = 0; i < queries.length; i++)
-			queries[i].conn = this.conn;
+		const tags = ['db-model', 'db-query', 'db-lot'];
+		for (let i = 0; i < tags.length; i++)
+			setConnection(tags[i]);
 			
-		if (this.node)
-		{
-			this.gui.setForm (this.node);
-			this.gui.setTitle (res.$('title'));
-			this.gui.setActions (res.$('actions'));
-			this.activate ();
+		if (this.node) {
+			this.gui.setForm(this.node);
+			this.gui.setTitle(scope.$.title);
+			this.gui.setActions(scope.$.actions);
+			this.activate();
 		}
 		
 		this.uiLoaded = true;
 	}
 	
-	,unloadUi: function ()
-	{
+	,unloadUi: function() {
 		if (!this.uiLoaded)
 			return;
 
-		if (this.node)
-		{
-			this.deactivate ();
-			this.gui.setTitle (null);
-			this.gui.setActions (null);
-			Vn.Node.remove (this.node);
-			this.deactivate ();
+		if (this.node) {
+			this.deactivate();
+			this.gui.setTitle(null);
+			this.gui.setActions(null);
+			Vn.Node.remove(this.node);
+			this.deactivate();
 			this.node = null;
 		}
-		if (this.builder)
-		{
-			this.builder.unref ();
+		if (this.builder) {
+			this.builder.unref();
 			this.builder = null;
 		}
 	}
 
 	/**
 	 * Called when the form is opened.
-	 **/
-	,open: function ()
-	{
-		this.close ();
+	 */
+	,open: function() {
+		this.close();
 		this.isOpen = true;
-		this.loadUi ();
+		this.loadUi();
 	}
 
 	/**
 	 * Called when the form is closed.
-	 **/
-	,close: function ()
-	{
+	 */
+	,close: function() {
 		if (!this.isOpen)
 			return;
 
 		this.isOpen = false;
-		this.unloadUi ();
+		this.unloadUi();
 	}
 	
 	/**
 	 * Called when the form is activated.
-	 **/
-	,activate: function () {}
+	 */
+	,activate: function() {}
 	
 	/**
 	 * Called when the form is deactivated.
-	 **/
-	,deactivate: function () {}
+	 */
+	,deactivate: function() {}
 
-	,_destroy: function ()
-	{
-		this.close ();
-		this.parent ();
+	,_destroy: function() {
+		this.close();
+		Vn.Object.prototype._destroy.call(this);
 	}
 });
 
diff --git a/js/hedera/gui.css b/js/hedera/gui.css
deleted file mode 100644
index e747901e..00000000
--- a/js/hedera/gui.css
+++ /dev/null
@@ -1,375 +0,0 @@
-
-.vn-gui
-{
-	height: inherit;
-}
-
-/* Font */
-
-.vn-gui .user-info,
-.vn-gui .menu-title,
-.vn-gui .main-menu
-{
-	font-size: 1.1em;
-}
-
-/* Navigation bar */
-
-.vn-gui .navbar
-{
-	position: fixed;
-	background-color: #009688;
-	left: 15em;
-	top: 0;
-	right: 0;
-	z-index: 1;
-	overflow: hidden;
-	box-shadow: 0 0 .2em rgba(1, 1, 1, .3);
-	height: 3.9em;
-	color: white;
-
-	transition-property: left, background-color, transform;
-	transition-duration: 200ms;
-	transition-timing-function: ease-in-out;
-}
-.vn-gui .menu-button
-{
-	position: absolute;
-	left: 0;
-	display: none;
-	border: none;
-	background-color: transparent;
-	padding: 0 .4em;
-	margin: 0;
-	height: 100%;
-}
-.vn-gui .menu-button:hover
-{
-	background-color: rgba(0, 0, 0, .2);
-}
-.vn-gui .menu-button img
-{
-	vertical-align: middle;
-	height: 1.8em;
-}
-.vn-gui .title
-{
-	float: left;
-}
-.vn-gui .title h1
-{
-	font-weight: normal;
-	font-size: 1.4em;
-	padding: .8em .6em;
-	padding-right: .3em;
-	margin: 0;
-}
-.vn-gui .navbar > .htk-spinner
-{
-	float: left;
-	margin: 1.05em .8em;
-}
-
-/* Action bar */
-
-.vn-gui .action-bar
-{
-	float: right;
-	padding: 0;
-	margin: 0;
-	height: 100%;
-}
-.vn-gui .action-bar > div
-{
-	padding: 0;
-	margin: 0;
-	height: 100%;
-}
-.vn-gui .action-bar > div > *
-{
-	float: right;
-}
-.vn-gui .action-bar button
-{
-	margin: 0;
-	padding: 1.25em .5em;
-}
-.vn-gui .action-bar button:hover
-{
-	background-color: rgba(1, 1, 1, .2);
-}
-.vn-gui .action-bar button > img
-{
-	vertical-align: middle;
-	height: 1.4em;
-}
-
-/* Background */
-
-.vn-gui > .background
-{
-	z-index: 10;
-	position: fixed;
-	top: 0;
-	left: 0;
-	right: 0;
-	bottom: 0;
-	visibility: hidden;
-	background-color: rgba(1, 1, 1, .7);
-	opacity: 0;
-}
-.vn-gui > .background.show
-{
-	visibility: visible;
-	transition: opacity 200ms ease-out;
-	opacity: 1;
-}
-
-/* Left panel */
-
-.vn-gui .left-panel
-{
-	z-index: 20;
-	position: fixed;
-	left: 0;
-	bottom: 0;
-	top: 0;
-	background-color: white;
-	z-index: 20;
-	box-shadow: 0 .2em .2em rgba(1, 1, 1, .4);
-	width: 15em;
-}
-.vn-gui .menu-overflow
-{
-	position: absolute;
-	top: 0;
-	left: 0;
-	right: 0;
-	bottom: 4em;
-	overflow: auto;
-}
-.vn-gui .menu-header
-{
-	background-color: #333;
-	color: white;
-	padding: 1em;
-}
-.vn-gui .logo
-{
-	display: block;
-	width: 12em;
-	margin-bottom: .8em;
-}
-.vn-gui .user-info
-{
-	width: 100%;
-	overflow: hidden;
-}
-.vn-gui .user-info > p
-{
-	margin: 0;
-	margin-top: .2em;
-	overflow: hidden;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-}
-.vn-gui button.logout
-{
-	float: right;
-	margin: 0;
-	padding: .2em;
-	display: block;
-}
-.vn-gui button.logout > img
-{
-	height: 1.2em;
-	display: block;
-}
-.vn-gui .supplant
-{
-	margin-top: .2em;
-	display: none;
-}
-
-/* Test link */
-
-.vn-gui .test-link
-{
-	display: none;
-	margin: .5em;
-	background-color: #3f51b5;
-	color: white;
-	padding: 0 1em;
-	line-height: 2em;
-	border-radius: .1em;
-	text-align: center;
-}
-.vn-gui .test-link:hover
-{
-	background-color: #4f61c5;
-}
-.vn-gui .dev-info
-{
-	display: none;
-	padding: .3em .5em;
-	color: white;
-	background-color: #3f51b5;
-	font-size: .9em;
-	margin: .5em;
-	border-radius: .1em;
-}
-.vn-gui .dev-info > p
-{
-	margin: .2em 0;
-}
-.vn-gui .dev-info > .mode
-{
-	color: #BBF;
-}
-
-/* Menu */
-
-.vn-gui .main-menu,
-.vn-gui ul.submenu
-{
-	list-style-type: none;
-	padding: 0;
-	margin: 0;
-}
-.vn-gui .main-menu > li
-{
-	display: block;
-	padding: 0;
-	margin: 0;
-	width: 100%;
-}
-.vn-gui .main-menu a
-{
-	width: 70%;
-	padding: 0 15%;
-	display: block;
-	line-height: 2.8em;
-}
-.vn-gui .main-menu a:hover,
-.vn-gui .main-menu a.selected
-{
-	background-color: rgba(1, 1, 1, .1);
-}
-.vn-gui ul.submenu
-{
-	display: none;
-}
-.vn-gui ul.submenu.popup
-{
-	display: inline;
-	position: fixed;
-	border: none;
-	border-radius: 1px;
-	background-color: white;
-	box-shadow: 0 0 .3em rgba(1, 1, 1, .3);
-	z-index: 50;
-	width: 13em;
-	max-height: 30em;
-}
-
-/* Social */
-
-.vn-gui .social
-{
-	position: absolute;
-	bottom: 0;
-	right: 0;
-	padding: .8em;
-}
-
-/* Body */
-
-.vn-gui > .body
-{
-	margin-left: 15em;
-	padding-top: 3.9em;
-	height: inherit;
-	box-sizing: border-box;
-	height: inherit;
-
-	transition-property: margin-left, margin-right;
-	transition-duration: 200ms;
-}
-.vn-gui .form-holder
-{
-	position: relative;
-	height: inherit;
-
-	opacity: 0;
-	transform: translateZ(0) translateX(-2em);
-	-webkit-transform: translateZ(0) translateX(-2em);
-
-	transition-property: opacity, transform;
-	transition-duration: 200ms;
-	transition-timing-function: ease-out;
-}
-.vn-gui .form-holder.show
-{
-	opacity: 1;
-	transform: translateZ(0) translateX(0em);
-	-webkit-transform: translateZ(0) translateX(0em);
-}
-
-/* Mobile */
-
-@media (max-width: 960px)
-{
-	.vn-gui .action-bar span.label,
-	.vn-gui .htk-button > span
-	{
-		display: none;
-	}
-	.vn-gui > .navbar
-	{
-		padding-left: 2.8em;
-		left: 0;
-	}
-	.vn-gui > .body
-	{
-		margin-left: 0;
-	}
-	.vn-gui .menu-button
-	{
-		display: block;
-	}
-	.vn-gui .left-panel
-	{
-		top: 0;
-		left: -15em;
-		box-shadow: 0 0 .2em rgba(1, 1, 1, .3);
-
-		transition: transform 200ms ease-out;
-		-webkit-transition: transform 200ms ease-out;
-	}
-	.vn-gui .left-panel.show
-	{
-		transform: translateZ(0) translateX(15em);
-		-webkit-transform: translateZ(0) translateX(15em);
-	}
-	.vn-gui .form-holder
-	{
-		left: 0;
-	}
-	.vn-gui ul.submenu
-	{
-		display: block;
-		background-color: #888;
-		color: white;
-		box-shadow: inset 0 0 .2em rgba(1, 1, 1, .2);
-		overflow: hidden;
-	
-		max-height: 0;
-		transition: max-height 300ms ease-out;
-		webkit-transition: max-height 300ms ease-out;
-	}
-	.vn-gui .main-menu li:hover > ul.submenu
-	{
-		max-height: 20em;
-	}
-}
-
diff --git a/js/hedera/gui.js b/js/hedera/gui.js
index 1409d1f2..355ea778 100644
--- a/js/hedera/gui.js
+++ b/js/hedera/gui.js
@@ -1,11 +1,11 @@
 
 var Module = require('./module');
-var Tpl = require('./gui.xml');
+var Tpl = require('./gui.xml').default;
 
-require('./gui.css');
+require('./gui.scss');
 
 module.exports = new Class({
-	Extends: Htk.Component,
+	Extends: Vn.Component,
 	Properties: {
 		conn: {
 			type: Db.Connection
@@ -30,28 +30,21 @@ module.exports = new Class({
 	,_navbarVisible: true
 
 	,initialize: function(props) {
-		this.builderInitString(Tpl);
+		this.loadTemplateFromString(Tpl);
 		this.loadingCount = 0;
 
-		this.$('background').onclick = function() {};
+		this.$.background.onclick = function() {};
 
-		this.$('menu-button').addEventListener('click', function(event) {
-			event.stopPropagation();
-			this.showMenu();
-		}.bind(this));
-
-		this.$('left-panel').addEventListener('click', function(event) {
+		this.$.leftPanel.addEventListener('click', function(event) {
 			event.stopPropagation();
 		});
 
-		this.parent(props);
-
-		this.$('social-bar').conn = this._conn;
+		Vn.Component.prototype.initialize.call(this, props);
 
 		var sql = 'SELECT id, name, nickname FROM account.myUser;'
 			+'SELECT defaultForm FROM config;'
 			+'SELECT url FROM imageConfig;'
-			+'SELECT dbproduccion FROM vn2008.tblContadores;'
+			+'SELECT dbproduccion FROM vn.config;'
 			+'SELECT productionDomain, testDomain FROM config;';
 		this._conn.execQuery(sql, this.onMainQueryDone.bind(this));
 
@@ -64,15 +57,17 @@ module.exports = new Class({
 	
 		this._shown = true;
 		this.doc.body.appendChild(this.node);
-		Htk.Toast.pushTop(this.$('form-holder'));
+		Htk.Toast.pushTop(this.$.formHolder);
 		
 		if (Vn.isMobile()) {
 			this._onScrollHandler = this._onScroll.bind(this);
 			window.addEventListener('scroll', this._onScrollHandler );
 		}
 
-		this.hash = Vn.Hash;
-		this.formParam = new Vn.HashParam({key: 'form'});
+		this.formParam = new Vn.Param({
+			lot: this.hash,
+			name: 'form',
+		});
 		this.formParam.on('changed', this._onFormChange, this);
 		
 		if (!localStorage.getItem('hederaCookies')) {
@@ -108,7 +103,7 @@ module.exports = new Class({
 	}
 	
 	,_onConnClose: function() {
-		this.signalEmit('logout');
+		this.emit('logout');
 	}
 
 	,_onConnLoadChange: function(conn, isLoading) {
@@ -122,7 +117,7 @@ module.exports = new Class({
 		// Retrieving the user name
 
 		this.user = resultSet.fetchObject();
-		Vn.Node.setText(this.$('user-name'), this.user.nickname);
+		Vn.Node.setText(this.$.userName, this.user.nickname);
 
 		// Retrieving configuration parameters
 
@@ -142,16 +137,16 @@ module.exports = new Class({
 		var isTesting = !resultSet.fetchValue();
 
 		if (isTesting) {
-			this.$('dev-info').style.display = 'block';
-			this.$('version').textContent = Vn.Cookie.get('vnVersion');
+			this.$.devInfo.style.display = 'block';
+			this.$.version.textContent = Vn.Cookie.get('vnVersion');
 		}
 
 		// Retrieving configuration parameters
 
-		var res = resultSet.fetchResult();
+		var res = resultSet.fetchObject();
 
-		if (res.next() && res.get('testDomain')) {
-			if (location.host != res.get('productionDomain')) {
+		if (res && res.testDomain) {
+			if (location.host != res.productionDomain) {
 				var linkText = 'Old website';
 				var linkField = 'productionDomain';
 			} else {
@@ -159,11 +154,11 @@ module.exports = new Class({
 				var linkField = 'testDomain';
 			}
 			
-			Vn.Node.setText(this.$('test-link'), _(linkText));
-			this.$('test-link').href = '//'+ res.get(linkField);
-			this.$('test-link').style.display = 'block';
+			Vn.Node.setText(this.$.testLink, _(linkText));
+			this.$.testLink.href = '//'+ res.get(linkField);
+			this.$.testLink.style.display = 'block';
 		} else
-			this.$('test-link').style.display = 'none';
+			this.$.testLink.style.display = 'none';
 
 		// Loading the default form
 
@@ -178,21 +173,21 @@ module.exports = new Class({
 	,_onMenuLoad: function(resultSet) {
 		// Retrieving menu sections		
 
-		var res = resultSet.fetchResult();	
+		var res = resultSet.fetchData();	
 		var sectionMap = {};
-		
-		if (res)
-		for (var i = 0; res.next(); i++) {
-			var parent = res.get('parentFk');
+		let i = 0;
+
+		for (const row of res) {
+			var parent = row.parentFk;
 			
 			if (!sectionMap[parent])
 				sectionMap[parent] = [];
 				
-			sectionMap[parent].push(i);
+			sectionMap[parent].push(i++);
 		}
 
-		Vn.Node.removeChilds(this.$('main-menu'));
-		this.createMenu(res, sectionMap, null, this.$('main-menu'));
+		Vn.Node.removeChilds(this.$.mainMenu);
+		this.createMenu(res, sectionMap, null, this.$.mainMenu);
 	}
 
 	//++++++++++++++++++++++++++++++++++++++++++++++++++++++ Menu
@@ -203,23 +198,24 @@ module.exports = new Class({
 
 		for (var i = 0; i < sections.length; i++) {
 			res.row = sections[i];
+			const row = res[sections[i]];
 		
 			var li = this.createElement('li');
 			ul.appendChild(li);
 	
-			var text = this.createTextNode(_(res.get('description')));
+			var text = this.createTextNode(_(row.description));
 
 			var a = this.createElement('a');
 			
-			if (res.get('path')) {
-				a.href = Vn.Hash.make({'form': res.get('path')});
-				this.menuOptions[res.get('path')] = a;
+			if (row.path) {
+				a.href = this.hash.make({form: row.path});
+				this.menuOptions[row.path] = a;
 			}
 
 			a.appendChild(text);
 			li.appendChild(a);
 			
-			var formId = res.get('id');
+			var formId = row.id;
 			
 			if (sectionMap[formId]) {
 				var submenu = this.createElement('ul');
@@ -266,9 +262,14 @@ module.exports = new Class({
 		}
 	}
 
+	,onMenuClick(event) {
+		event.stopPropagation();
+		this.showMenu();
+	}
+
 	,showMenu: function() {
 		this.showBackground();
-		Vn.Node.addClass(this.$('left-panel'), 'show');
+		Vn.Node.addClass(this.$.leftPanel, 'show');
 		this.menuShown = true;
 
 		this.hideMenuCallback = this.hideMenu.bind(this);
@@ -280,7 +281,7 @@ module.exports = new Class({
 			return;
 	
 		this.hideBackground();
-		Vn.Node.removeClass(this.$('left-panel'), 'show');
+		Vn.Node.removeClass(this.$.leftPanel, 'show');
 		this.menuShown = false;
 		
 		this.doc.removeEventListener('click', this.hideMenuCallback);
@@ -299,7 +300,7 @@ module.exports = new Class({
 		if (!this._shown)
 			return;
 		
-		var navbar = this.$('top-bar');
+		var navbar = this.$.topBar;
 		var yOffset = Vn.Browser.getPageYOffset();
 		var showNavbar = this._lastYOffset > yOffset || yOffset < navbar.offsetHeight;
 		
@@ -321,11 +322,11 @@ module.exports = new Class({
 	//++++++++++++++++++++++++++++++++++++++++++++++++++++++ Background
 
 	,showBackground: function() {
-		Vn.Node.addClass(this.$('background'), 'show');
+		Vn.Node.addClass(this.$.background, 'show');
 	}
 
 	,hideBackground: function() {
-		Vn.Node.removeClass(this.$('background'), 'show');
+		Vn.Node.removeClass(this.$.background, 'show');
 	}
 
 	//++++++++++++++++++++++++++++++++++++++++++++++++++++++ Spinner
@@ -334,7 +335,7 @@ module.exports = new Class({
 		this.loadingCount++;
 
 		if (this.loadingCount == 1)
-			this.$('loader').start();
+			this.$.loader.start();
 	}
 	
 	,loaderPop: function() {
@@ -344,7 +345,7 @@ module.exports = new Class({
 		this.loadingCount--;
 		
 		if (this.loadingCount == 0)
-			this.$('loader').stop();
+			this.$.loader.stop();
 	}
 	
 	//++++++++++++++++++++++++++++++++++++++++++++++++++++++ Forms
@@ -399,35 +400,35 @@ module.exports = new Class({
 	}
 	
 	,setForm: function(form) {
-		Vn.Node.removeChilds(this.$('form-holder'));
+		Vn.Node.removeChilds(this.$.formHolder);
 
 		if (form) {
-			this.$('form-holder').appendChild(form);
+			this.$.formHolder.appendChild(form);
 			setTimeout(this._onSetFormTimeout.bind(this), 0);
 		}
 	}
 	
 	,_onSetFormTimeout: function() {
-		Vn.Node.addClass(this.$('form-holder'), 'show');
+		Vn.Node.addClass(this.$.formHolder, 'show');
 	}
 	
 	,setTitle: function(title) {
-		Vn.Node.removeChilds(this.$('title'));
+		Vn.Node.removeChilds(this.$.title);
 	
 		if (title)
-			this.$('title').appendChild(title);
+			this.$.title.appendChild(title);
 	}
 	
 	,setActions: function(actions) {
-		Vn.Node.removeChilds(this.$('action-bar'));
+		Vn.Node.removeChilds(this.$.actionBar);
 				
 		if (actions)
-			this.$('action-bar').appendChild(actions);
+			this.$.actionBar.appendChild(actions);
 	}
 	
 	,closeForm: function() {
 		if (this.activeForm) {
-			Vn.Node.removeClass(this.$('form-holder'), 'show');
+			Vn.Node.removeClass(this.$.formHolder, 'show');
 			this.activeForm.close();
 			this.activeForm.unref();
 			this.activeForm = null;
@@ -446,14 +447,14 @@ module.exports = new Class({
 	
 	//++++++++++++++++++++++++++++++++++++++++++++++++++++++ Reports
 	
-	,openReport: function(reportName, batch) {
+	,openReport: function(reportName, lot) {
 		this.loaderPush();
 
 		var module = new Module('reports', reportName);
-		module.addCallback(this._onReportLoad.bind(this, batch));
+		module.addCallback(this._onReportLoad.bind(this, lot));
 	}
 	
-	,_onReportLoad: function(batch, module) {
+	,_onReportLoad: function(lot, module) {
 		this.loaderPop();
 
 		if (module.error) {
@@ -462,7 +463,7 @@ module.exports = new Class({
 		}
 		
 		var report = new module.klass(module, this);
-		report.open(batch);
+		report.open(lot);
 	}
 	
 	//++++++++++++++++++++++++++++++++++++++++++++++++++++++ Supplant
@@ -479,9 +480,8 @@ module.exports = new Class({
 			this._onUserSupplant.bind(this, callback, user));
 	}
 	
-	,_onUserSupplant: function(callback, user, supplantOk) {
-		if (!supplantOk)
-			return;
+	,_onUserSupplant: function(callback, user, supplantOk, err) {
+		if (err) throw err;
 	
 		sessionStorage.setItem('supplantUser', user);
 		this.loadMenu();
@@ -495,12 +495,12 @@ module.exports = new Class({
 
 	,_onSupplantName: function(resultSet) {
 		var userName = resultSet.fetchValue();
-		Vn.Node.setText(this.$('supplanted'), userName);
-		Vn.Node.show(this.$('supplant'));
+		Vn.Node.setText(this.$.supplanted, userName);
+		this.$.supplant.classList.toggle('show', true);
 	}
 
 	,onSupplantExitClick: function() {
-		Vn.Node.hide(this.$('supplant'));
+		this.$.supplant.classList.toggle('show', false);
 		this._conn.supplantEnd();
 		sessionStorage.removeItem('supplantUser',
 			sessionStorage.getItem('supplantUser'));
@@ -512,7 +512,6 @@ module.exports = new Class({
 
 	,_destroy: function() {
 		this.hide();
-		this.parent();
+		Vn.Component.prototype.initialize.call(this);
 	}
 });
-
diff --git a/js/hedera/gui.scss b/js/hedera/gui.scss
new file mode 100644
index 00000000..e78c9721
--- /dev/null
+++ b/js/hedera/gui.scss
@@ -0,0 +1,357 @@
+
+@import "../htk/style/classes";
+
+$side-panel-width: 250px;
+$navbar-height: 64px;
+
+.vn-gui {
+	height: inherit;
+
+	/* Font */
+
+	.user-name,
+	.menu-title {
+		font-size: 1.1em;
+	}
+
+	/* Navigation bar */
+
+	.navbar {
+		position: fixed;
+		background-color: #1A1A1A;
+		left: $side-panel-width;
+		top: 0;
+		right: 0;
+		z-index: 1;
+		overflow: hidden;
+		height: $navbar-height;
+		color: white;
+		display: flex;
+		align-items: center;
+
+		transition-property: left, background-color, transform;
+		transition-duration: 200ms;
+		transition-timing-function: ease-in-out;
+
+		& > .menu-button {
+			flex: none;
+			display: none;
+			border: none;
+
+			&:hover {
+				background-color: rgba(255, 255, 255, .1);
+			}
+			& > .htk-icon {
+				display: block;
+			}
+		}
+		& > .title-wraper {
+			flex: auto;
+			display: flex;
+			align-items: center;
+			gap: 12px;
+			overflow: hidden;
+			padding-left: 12px;
+
+			& > .title {
+				overflow: hidden;
+
+				h1 {
+					font-weight: normal;
+					font-size: 1.4em;
+					margin: 0;
+					white-space: nowrap;
+					text-overflow: ellipsis;
+					overflow: hidden;
+				}
+			}
+		}
+		& > .action-bar {
+			flex: none;
+			height: 100%;
+
+			& > div {
+				height: 100%;
+				display: flex;
+				align-items: center;
+				padding-right: 12px;
+				padding-left: 4px;
+				gap: 2px;
+
+				& > * {
+					float: right;
+				}
+			}
+			button {
+				margin: 0;
+				padding: 8px 13px;
+
+				&:hover {
+					background-color: rgba(2550, 255, 255, .2);
+				}
+			}
+		}
+	}
+
+	/* Background */
+
+	& > .background {
+		z-index: 10;
+		position: fixed;
+		top: 0;
+		left: 0;
+		right: 0;
+		bottom: 0;
+		visibility: hidden;
+		background-color: rgba(1, 1, 1, .7);
+		opacity: 0;
+
+		&.show {
+			visibility: visible;
+			transition: opacity 200ms ease-out;
+			opacity: 1;
+		}
+	}
+
+	/* Left panel */
+
+	.left-panel {
+		z-index: 20;
+		position: fixed;
+		left: 0;
+		bottom: 0;
+		top: 0;
+		background-color: white;
+		z-index: 20;
+		width: $side-panel-width;
+	}
+	.menu-overflow {
+		position: absolute;
+		top: 0;
+		left: 0;
+		right: 0;
+		bottom: 4em;
+		overflow: auto;
+	}
+	.menu-header {
+		background-color: #1A1A1A;
+		color: white;
+		height: $navbar-height;
+		display: flex;
+	}
+	.logo {
+		display: block;
+		width: 160px;
+		margin-left: 37px;
+	}
+	.user-info {
+		margin: 25px;
+
+		& > div {
+			display: flex;
+			justify-content: space-between;
+			align-items: center;
+			overflow: hidden;
+			font-weight: bold;
+			border: 1px solid #eaeaea;
+
+			& > span {
+				padding: 10px;
+				overflow: hidden;
+				text-overflow: ellipsis;
+				white-space: nowrap;
+			}
+			.logout {
+				display: block;
+				margin: 0;
+				text-align: left;
+				border-radius: 0;
+
+				&:hover {
+					background-color: #1a1a1a;
+					color: white;
+				}
+				& > .htk-icon {
+					display: block;
+				}
+			}
+			&.supplant {
+				display: none;
+				border-top: none;
+
+				&.show {
+					display: flex;
+				}
+			}
+		}
+	}
+
+	/* Test link */
+
+	.test-link {
+		display: none;
+		margin: .5em;
+		background-color: #3f51b5;
+		color: white;
+		padding: 0 1em;
+		line-height: 2em;
+		border-radius: .1em;
+		text-align: center;
+
+		&:hover {
+			background-color: #4f61c5;
+		}
+	}
+	.dev-info {
+		display: none;
+		padding: .3em .5em;
+		color: white;
+		background-color: #3f51b5;
+		font-size: .9em;
+		margin: .5em;
+		border-radius: .1em;
+
+		& > p {
+			margin: .2em 0;
+		}
+		& > .mode {
+			color: #BBF;
+		}
+	}
+
+	/* Menu */
+
+	.main-menu,
+	ul.submenu {
+		list-style-type: none;
+		padding: 0;
+		margin: 0;
+	}
+	.main-menu > li {
+		display: block;
+		padding: 0;
+		margin: 0;
+		width: 100%;
+	}
+	.main-menu a {
+		width: 70%;
+		padding: 0 15%;
+		display: block;
+		line-height: 2.8em;
+	}
+	.main-menu a:hover,
+	.main-menu a.selected {
+		background-color: rgba(1, 1, 1, .1);
+	}
+	ul.submenu {
+		display: none;
+	}
+	ul.submenu.popup {
+		display: inline;
+		position: fixed;
+		border: none;
+		border-radius: 1px;
+		background-color: white;
+		box-shadow: 0 0 .3em rgba(1, 1, 1, .3);
+		z-index: 50;
+		width: 13em;
+		max-height: 30em;
+	}
+
+	/* Social */
+
+	.menu-footer {
+		position: absolute;
+		bottom: 0;
+		right: 0;
+		left: 0;
+	}
+
+	/* Body */
+
+	& > .body {
+		margin-left: $side-panel-width;
+		padding-top: $navbar-height;
+		height: inherit;
+		box-sizing: border-box;
+		height: inherit;
+
+		transition-property: margin-left, margin-right;
+		transition-duration: 200ms;
+	}
+	.form-holder {
+		position: relative;
+		height: inherit;
+
+		opacity: 0;
+		transform: translateZ(0) translateX(-2em);
+		-webkit-transform: translateZ(0) translateX(-2em);
+
+		transition-property: opacity, transform;
+		transition-duration: 200ms;
+		transition-timing-function: ease-out;
+
+		&.show {
+			opacity: 1;
+			transform: translateZ(0) translateX(0em);
+			-webkit-transform: translateZ(0) translateX(0em);
+		}
+		& > * {
+			padding: $spacing-md;
+		}
+	}
+
+	/* Mobile */
+
+	@media (max-width: 960px) {
+		& > .navbar {
+			padding-left: 12px;
+			left: 0;
+
+			& > .menu-button {
+				display: block;
+			}
+			& > .action-bar {
+				button {
+					padding: 8px;
+				}
+				span.label,
+				button > .text {
+					display: none;
+				}
+			}
+		}
+		& > .body {
+			margin-left: 0;
+		}
+		.left-panel {
+			top: 0;
+			left: -250px;
+			box-shadow: 0 0 .2em rgba(1, 1, 1, .3);
+
+			transition: transform 200ms ease-out;
+			-webkit-transition: transform 200ms ease-out;
+		}
+		.left-panel.show {
+			transform: translateZ(0) translateX(250px);
+			-webkit-transform: translateZ(0) translateX(250px);
+		}
+		.form-holder {
+			left: 0;
+		}
+		ul.submenu {
+			display: block;
+			background-color: #888;
+			color: white;
+			box-shadow: inset 0 0 .2em rgba(1, 1, 1, .2);
+			overflow: hidden;
+		
+			max-height: 0;
+			transition: max-height 300ms ease-out;
+			webkit-transition: max-height 300ms ease-out;
+		}
+		.main-menu li:hover > ul.submenu {
+			max-height: 20em;
+		}
+	}
+}
diff --git a/js/hedera/gui.xml b/js/hedera/gui.xml
index 261c6b64..d083ad2c 100644
--- a/js/hedera/gui.xml
+++ b/js/hedera/gui.xml
@@ -1,39 +1,45 @@
 <vn>
 <div id="main" class="vn-gui">
 	<div id="top-bar" class="navbar">
-		<div id="action-bar" class="action-bar"/>
-		<button id="menu-button" class="menu-button">
-			<img src="image/icon/dark/menu.svg" alt="_Menu"/>
+		<button
+			id="menu-button"
+			class="menu-button"
+			on-click="onMenuClick">
+			<htk-icon name="menu" alt="_Menu"/>
 		</button>
-		<div id="title" class="title"/>
-		<htk-spinner id="loader" class="loader dark"/>
+		<div class="title-wraper">
+			<div id="title" class="title"/>
+			<htk-spinner id="loader" class="loader dark"/>
+		</div>
+		<div id="action-bar" class="action-bar"/>
 	</div>
 	<div id="left-panel" class="left-panel">
 		<div class="menu-overflow">
 			<div class="menu-header" id="menu-header">
 				<img class="logo" src="image/logo-dark.svg" alt="Verdnatura"/>
-				<div class="user-info">
-					<button class="logout" on-click="onLogoutClick" title="_Exit">
-						<img src="image/icon/dark/exit.svg" alt="_Exit"/>
+			</div>
+			<div class="user-info">
+				<div>
+					<span id="user-name"/>
+					<button class="logout" on-click="this.onLogoutClick()">
+						<htk-icon name="logout" alt="_Exit"/>
 					</button>
-					<p id="user-name"/>
 				</div>
-				<div id="supplant" class="supplant user-info">
-					<button class="logout" on-click="onSupplantExitClick" title="_Exit">
-						<img src="image/icon/dark/exit.svg" alt="_Exit"/>
+				<div id="supplant" class="supplant">
+					<span id="supplanted"/>
+					<button class="logout" on-click="this.onSupplantExitClick()">
+						<htk-icon name="logout" alt="_Exit"/>
 					</button>
-					<p id="supplanted"/>
 				</div>
 			</div>
+			<ul id="main-menu" class="main-menu"/>
+		</div>
+		<div class="menu-footer">
 			<div id="dev-info" class="dev-info">
 				<p class="mode">Testing</p>
 				<p><t>Version</t> <span id="version"/></p>
 			</div>
 			<a id="test-link" class="test-link" href="#">Old website</a>
-			<ul id="main-menu" class="main-menu"/>
-		</div>
-		<div class="social">
-			<htk-social-bar id="social-bar" priority="2"/>
 		</div>
 	</div>
 	<div class="body">
diff --git a/js/hedera/hedera.js b/js/hedera/hedera.js
index 051c3cb2..5389daea 100644
--- a/js/hedera/hedera.js
+++ b/js/hedera/hedera.js
@@ -1,16 +1,15 @@
 
-require ('htk/htk');
-require ('./style.css');
+require('htk/htk');
 
 Hedera = module.exports = {
-	 Login         : require ('./login')
-	,SocialBar     : require ('./social-bar')
-	,Gui           : require ('./gui')
-	,Module        : require ('./module')
-	,Form          : require ('./form')
-	,Report        : require ('./report')
-	,App           : require ('./app')
-	,Tpv           : require ('./tpv')
-	,BasketChecker : require ('./basket-checker')
+	 Login         : require('./login')
+	,SocialBar     : require('./social-bar')
+	,Gui           : require('./gui')
+	,Module        : require('./module')
+	,Form          : require('./form')
+	,Report        : require('./report')
+	,App           : require('./app')
+	,Tpv           : require('./tpv')
+	,BasketChecker : require('./basket-checker')
 };
 
diff --git a/js/hedera/locale/ca.yml b/js/hedera/locale/ca.yml
index 7ad360ee..4de7b265 100644
--- a/js/hedera/locale/ca.yml
+++ b/js/hedera/locale/ca.yml
@@ -1,10 +1,10 @@
 User: Usuari
 Password: Contrasenya
 Beta: Beta
-Do not sign out: No tancar sessió
+Remind me: No tancar sessió
 Log in as guest: Accedir com a convidat
-Enter: Entrar
-Login mail: clientes@verdnatura.es
+Login: Iniciar sesió
+Login mail: info@verdnatura.es
 Login phone: +34 607 562 391
 Password forgotten? Push here: ¿Has oblidat la teva contrasenya?
 Yet you are not a customer?: Encara no ets client?
@@ -61,4 +61,4 @@ Training: Formació
 Agencies: Agències
 Configuration: Configuració
 Account: Compte
-Addresses: Direccions
+Addresses: Adreces
diff --git a/js/hedera/locale/en.yml b/js/hedera/locale/en.yml
index efe920dd..cac2c0f5 100644
--- a/js/hedera/locale/en.yml
+++ b/js/hedera/locale/en.yml
@@ -1,10 +1,10 @@
 User: User
 Password: Password
 Beta: Beta
-Do not sign out: Do not sign out
+Remind me: Remind me
 Log in as guest: Log in as guest
-Enter: Enter
-Login mail: clientes@verdnatura.es
+Login: Login
+Login mail: info@verdnatura.es
 Login phone: +34 607 562 391
 Password forgotten? Push here: Password forgotten? Push here
 Yet you are not a customer?: Yet you are not a customer?
diff --git a/js/hedera/locale/es.yml b/js/hedera/locale/es.yml
index e769c5c5..7617afe7 100644
--- a/js/hedera/locale/es.yml
+++ b/js/hedera/locale/es.yml
@@ -1,10 +1,10 @@
 User: Usuario
 Password: Contraseña
 Beta: Beta
-Do not sign out: No cerrar sesión
+Remind me: Recuérdame
 Log in as guest: Entrar como invitado
-Enter: Entrar
-Login mail: clientes@verdnatura.es
+Login: Iniciar sesión
+Login mail: info@verdnatura.es
 Login phone: +34 963 242 100
 Password forgotten? Push here: ¿Has olvidado tu contraseña?
 Yet you are not a customer?: ¿Todavía no eres cliente?
diff --git a/js/hedera/locale/fr.yml b/js/hedera/locale/fr.yml
index db5d4fcc..7f02f468 100644
--- a/js/hedera/locale/fr.yml
+++ b/js/hedera/locale/fr.yml
@@ -1,9 +1,9 @@
 User: Utilisateur
 Password: Mot de passe
 Beta: Beta
-Do not sign out: Garder ma session active
+Remind me: Garder ma session active
 Log in as guest: Entrez en tant qu'invité
-Enter: Entrer
+Login: Entrer
 Login mail: ruben@verdnatura.es
 Login phone: +33 781 533 900
 Password forgotten? Push here: as tu oublié ton mot de passe?
diff --git a/js/hedera/locale/mn.yml b/js/hedera/locale/mn.yml
index 87c8f0e1..80edf0e5 100644
--- a/js/hedera/locale/mn.yml
+++ b/js/hedera/locale/mn.yml
@@ -1,10 +1,10 @@
 User: Хэрэглэгчийн
 Password: нууц үг
 Beta: Бета
-Do not sign out: Гаргаж гарын үсэг зураагүй байна
+Remind me: Гаргаж гарын үсэг зураагүй байна
 Log in as guest: Зочин байдлаар оруулна уу
-Enter: энд бичнэ үү
-Login mail: clientes@verdnatura.es
+Login: энд бичнэ үү
+Login mail: info@verdnatura.es
 Login phone: +34 607 562 391
 Password forgotten? Push here: Нууц үг мартсан? энд түлхэх
 Yet you are not a customer?: Гэсэн хэдий ч та хэрэглэгчийн биш гэж үү?
diff --git a/js/hedera/locale/pt.yml b/js/hedera/locale/pt.yml
index 05f68099..31ae763a 100644
--- a/js/hedera/locale/pt.yml
+++ b/js/hedera/locale/pt.yml
@@ -1,10 +1,10 @@
 User: Usuario
 Password: Palavra-Passe
 Beta: Beta
-Do not sign out: Não finalizar Sessão
+Remind me: Não finalizar Sessão
 Log in as guest: Entrar como convidado
-Enter: Entrar
-Login mail: clientes@verdnatura.es
+Login: Entrar
+Login mail: info@verdnatura.es
 Login phone: +34 963 242 100
 Password forgotten? Push here: Não lembro minha palavra-passe
 Yet you are not a customer?: Ainda não és cliente?
diff --git a/js/hedera/login.css b/js/hedera/login.css
deleted file mode 100644
index 940435b9..00000000
--- a/js/hedera/login.css
+++ /dev/null
@@ -1,220 +0,0 @@
-
-.vn-login
-{
-	color: #333;
-	font-size: 1.1em;
-	font-weight: normal;
-	height: inherit;
-}
-
-/* Navigation bar */
-
-.vn-login .navbar
-{
-	z-index: 10;
-	position: fixed;
-	background-color: #333;
-	width: 100%;
-	height: 3.5em;
-	top: 0;
-	color: white;
-	
-}
-.vn-login .navbar div
-{
-	margin-top: 1em;
-	text-align: center;
-}
-
-/* Body */
-
-.vn-login .body
-{
-	height: inherit;
-}
-.vn-login .column
-{
-	position: relative;
-	margin: 0 auto;
-	max-width: 40em;
-	height: inherit;
-	background-color: white;
-	box-shadow: 0 0 .3em 0 rgba(1, 1, 1, 0.4);
-	min-height: 
-}
-
-/* Login */
-
-.vn-login .login
-{
-	position: relative;
-	height: inherit;
-	max-width: 15em;
-	margin: 0 auto;
-}
-.vn-login form
-{
-	position: absolute;
-	top: 50%;
-	margin-top: -20em;
-	width: 100%;
-	padding: 2em 0;
-}
-.vn-login form > div
-{
-	margin: 1em 0;
-}
-.vn-login p
-{
-	margin: .4em 0;
-}
-
-/* Header */
-
-.vn-login .header
-{
-	margin-bottom: 2em;
-}
-.vn-login .header img
-{
-	display: block;
-	width: 100%;
-/*	box-shadow: 0 0 .3em 0 rgba(1, 1, 1, 0.4);*/
-}
-.vn-login .version-code
-{
-	color: red;
-	text-align: right;
-	margin: .2em auto;
-	font-weight: bold;
-	height: 1.4em;
-	display: none;
-}
-
-/* Body */
-
-.vn-login .form-inputs
-{
-	margin: 0 auto;
-	max-width: 15em;
-}
-.vn-login label
-{
-	margin: 0;
-}
-.vn-login .form-group label
-{
-	display: block;
-	font-size: inherit;
-}
-.vn-login input
-{
-	margin: 0.3em;
-}
-.vn-login input[type=text],
-.vn-login input[type=password]
-{
-	margin: 0;
-	margin-top: .5em;
-	padding: 0 .5em;
-	width: 100%;
-	border: 1px solid #AAA;
-	height: 2.6em;
-}
-.vn-login input[type=text],
-.vn-login input[type=password],
-.vn-login input[type=submit],
-.vn-login input[type=button],
-.vn-login input[type=reset],
-.vn-login button,
-.vn-login .button
-{
-	border-radius: .1em;
-	box-shadow: 0 .1em .1em rgba(1, 1, 1, 0.4);
-}
-.vn-login input[type=checkbox]
-{
-	padding: 0;
-	margin: 0;
-	width: initial;
-	height: initial;
-	margin-right: .5em;
-}
-.vn-login input[type=submit],
-.vn-login input[type=button],
-.vn-login input[type=reset],
-.vn-login button,
-.vn-login .button
-{
-	margin: 0 auto;
-	background-color: #9CBC28;
-	border: 1px solid #8A1;
-	height: 2.4em;
-	width: 100%;
-	color: #240;
-	text-transform: uppercase;
-}
-.vn-login input[type=submit]:hover,
-.vn-login input[type=button]:hover,
-.vn-login input[type=reset]:hover,
-.vn-login button:hover,
-.vn-login .button:hover
-{
-	background-color: #8A1;
-}
-hr
-{
-	border: solid 1px #333;
-	margin: 0;
-	padding: 0;
-	display: block;
-}
-.vn-login .enter
-{
-	position: relative;
-}
-.vn-login .wrapper
-{
-	width: 0;
-	overflow: visible;
-	position: absolute;
-	top: 0;
-	right: 0;
-}
-.vn-login .htk-spinner
-{
-	margin: .3em 1em;
-	position: absolute;
-}
-
-/* Footer */
-
-.vn-login .footer
-{
-	margin-top: 2em;
-}
-.vn-login .contact
-{
-	text-align: center;
-}
-
-@media (max-height: 50em)
-{
-	.vn-login .column
-	{
-		min-height: 45em;
-	}
-	.vn-login .login
-	{
-		display: flex;
-		align-items: center;
-	}
-	.vn-login form
-	{
-		top: 0;
-		position: relative;
-		margin-top: 0;
-		padding-top: 5.5em;
-	}
-}
-
diff --git a/js/hedera/login.js b/js/hedera/login.js
index 71dbef8f..d3b8450c 100644
--- a/js/hedera/login.js
+++ b/js/hedera/login.js
@@ -1,9 +1,9 @@
 
-require('./login.css');
-var Tpl = require('./login.xml');
+require('./login.scss');
+var Tpl = require('./login.xml').default;
 
 module.exports = new Class({
-	Extends: Htk.Component,
+	Extends: Vn.Component,
 	Properties:
 	{
 		conn:
@@ -19,13 +19,13 @@ module.exports = new Class({
 	}
 
 	,initialize: function(props) {
-		this.parent(props);
-		this.builderInitString(Tpl);
+		Vn.Component.prototype.initialize.call(this, props);
+		this.loadTemplateFromString(Tpl);
 	
-		this.$('social-bar').conn = this._conn;
+		//this.$.socialBar.conn = this._conn;
 		
 		var self = this;
-		this.$('form').onsubmit = function() {
+		this.$.form.onsubmit = function() {
 			self._onSubmit();
 			return false;
 		};
@@ -33,9 +33,9 @@ module.exports = new Class({
 	
 	,_onConnLoadChange: function(conn, isLoading) {
 		if (isLoading)
-			this.$('spinner').start();
+			this.$.spinner.start();
 		else
-			this.$('spinner').stop();
+			this.$.spinner.stop();
 	}
 
 	,show: function() {
@@ -44,32 +44,32 @@ module.exports = new Class({
 		var lastUser = localStorage.getItem('hederaLastUser');
 
 		if (lastUser)
-			this.$('user').value = lastUser;
+			this.$.user.value = lastUser;
 	
 		this._focusUserInput();
 	}
 	
 	,_onSubmit: function() {
 		this._conn.open(
-			this.$('user').value,
-			this.$('pass').value,
-			this.$('remember').checked,
+			this.$.user.value,
+			this.$.pass.value,
+			this.$.remember.checked,
 			this._onConnOpen.bind(this)
 		);
 		this._disableUi(true);
 	}
 	
 	,_onConnOpen: function(conn, success, error) {
-		this.$('pass').value = '';
+		this.$.pass.value = '';
 		this._disableUi(false);
 
 		if (success) {
-			var user = this.$('user').value;
+			var user = this.$.user.value;
 		
 			if (user)
 				localStorage.setItem('hederaLastUser', user);
 
-			this.signalEmit('login');
+			this.emit('login');
 		} else {
 			this._focusUserInput();
 			throw error;
@@ -81,24 +81,24 @@ module.exports = new Class({
 	}
 	
 	,_focusUserInput: function() {
-		var userEntry = this.$('user');
+		var userEntry = this.$.user;
 		userEntry.focus();
 		userEntry.select();
 	}
 	
 	,_disableUi: function(disabled) {
-		this.$('user').disabled = disabled;
-		this.$('pass').disabled = disabled;
-		this.$('submit').disabled = disabled;
+		this.$.user.disabled = disabled;
+		this.$.pass.disabled = disabled;
+		this.$.submit.disabled = disabled;
 	}
 	
 	,onPasswordLost: function() {
-		var user = this.$('user').value;
+		var user = this.$.user.value;
 	
 		if (!user)
 			Htk.Toast.showError(_('Please write your user name'));
 		else
-			this._conn.send('core/recover-password', {recoverUser: user},
+			this._conn.send('user/recover-password', {recoverUser: user},
 				this._onPasswordRecovered.bind(this));
 	}
 	
diff --git a/js/hedera/login.scss b/js/hedera/login.scss
new file mode 100644
index 00000000..5238e4ec
--- /dev/null
+++ b/js/hedera/login.scss
@@ -0,0 +1,142 @@
+
+.vn-login {
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	color: #333;
+	font-weight: normal;
+	height: inherit;
+	background-color: white;
+
+	a:hover {
+		text-decoration: underline;
+	}
+	input {
+		margin: .3em;
+	}
+	input[type=text],
+	input[type=password] {
+		margin: 0;
+		padding: 0 5px;
+		width: 100%;
+		height: 2.6em;
+		border-radius: 0;
+		border-top: none;
+		border-left: none;
+		border-right: none;
+		background-color: none;
+	}
+	input[type=checkbox] {
+		padding: 0;
+		margin: 0;
+		width: initial;
+		height: initial;
+		margin-right: .5em;
+	}
+	input[type=submit],
+	input[type=button],
+	input[type=reset],
+	button,
+	.button {
+		margin: 0 auto;
+		background-color: #0d1115;
+		border-radius: 25px;
+		height: 50px;
+		width: 100%;
+		color: white;
+		transition: transform 200ms ease-out;
+		transition-property: background-color;
+
+		&:hover {
+			background-color: #3d3f42;
+		}
+	}
+	@media (max-height: 680px) {
+		height: initial;
+	}
+}
+
+$login-margin-top: 50px;
+$login-margin-between: 55px;
+
+.vn-login > .column {
+	max-width: 300px;
+
+	& > .header {
+		margin-top: $login-margin-top;
+		margin-bottom: $login-margin-between;
+		
+		img {
+			display: block;
+			margin: 0 auto;
+			width: 90%;
+		}
+		.version-code {
+			color: red;
+			text-align: right;
+			margin: .2em auto;
+			font-weight: bold;
+			height: 1.4em;
+			display: none;
+		}
+	}
+	& > .footer {
+		margin-bottom: $login-margin-top;
+		margin-top: $login-margin-between;
+		text-align: center;
+		font-size: .85rem;
+		
+		.contact {
+			margin-top: 15px;
+			color: grey;
+		}
+		a {
+			font-weight: bold;
+		}
+	}
+	& > form {
+		& > div {
+			margin: 20px 0;
+		}
+		p {
+			margin: 5px 0;
+		}
+		& > .remind-block {
+			margin-top: 20px;
+			margin-bottom: 40px;
+		}
+		.button.guest {
+			display: flex;
+			align-items: center;
+			justify-content: center;
+			border: 1px solid #0d1115;
+			background-color: white;
+			color: #0d1115;
+			text-decoration: none;
+	
+			&:hover {
+				background-color: rgba(0, 0, 0, .1);
+			}
+		}
+		.password-forgotten {
+			text-align: center;
+			font-size: .85rem;
+			margin-top: 30px;
+		}
+		.enter {
+			position: relative;
+		}
+		.wrapper {
+			width: 0;
+			overflow: visible;
+			position: absolute;
+			top: 0;
+			right: 0;
+		}
+		.htk-spinner {
+			margin: .3em 1em;
+			position: absolute;
+		}
+	}
+}
+
diff --git a/js/hedera/login.xml b/js/hedera/login.xml
index edfc286a..c391edba 100644
--- a/js/hedera/login.xml
+++ b/js/hedera/login.xml
@@ -1,68 +1,56 @@
 <vn>
 <div id="main" class="vn-login">
-	<div class="navbar">
-		<div>
-		<a href="#!form=cms/home&amp;guest=true">
-			<t>Log in as guest</t>
-		</a>
+	<div class="column">
+		<div class="header">
+			<img src="image/logo.svg" alt="VerdNatura"/>
+			<div class="version-code"/>
 		</div>
-	</div>
-	<div class="body">
-		<div class="column">
-		<div class="login">
 		<form id="form">
-			<div class="header">
-				<img src="image/banner.svg" alt=""/>
-				<div class="version-code"/>
+			<div class="form-group">
+				<input 
+					placeholder="_User"
+					type="text"
+					id="user"
+					name="user"/>
 			</div>
 			<div class="form-group">
-				<label>
-					<t>User</t>
-					<input type="text" id="user" name="user"/>
-				</label>
+				<input
+					placeholder="_Password"
+					type="password"
+					id="pass"
+					name="password"/>
 			</div>
-			<div class="form-group">
-				<label>
-					<t>Password</t>
-					<input type="password" id="pass" name="password"/>
-				</label>
-			</div>
-			<div>
+			<div class="remind-block">
 				<label>
 					<input type="checkbox" id="remember" name="remember"/>
-					<t>Do not sign out</t>
+					<t>Remind me</t>
 				</label>
 			</div>
 			<div class="enter">
-				<input id="submit" type="submit" value="_Enter"/>
+				<input id="submit" type="submit" value="_Login"/>
 				<div class="wrapper">
 					<htk-spinner id="spinner"/>
 				</div>
-				<p>
-					<a href="#" on-click="onPasswordLost">
-						<t>Password forgotten? Push here</t>
-					</a>
-				</p>
 			</div>
 			<div>
-				<hr/>
-			</div>
-			<div>
-				<p><t>Yet you are not a customer?</t></p>
-				<a class="button" href="_Sign up link" target="_blank">
-					<t>Sign up</t>
+				<a class="button guest" href="#!form=cms/home&amp;guest=true">
+					<t>Log in as guest</t>
 				</a>
 			</div>
-			<div class="footer">
-				<htk-social-bar id="social-bar" priority="1"/>
-				<div id="social" class="social"/>
-				<div class="contact">
-					<p><t>Login mail</t></p>
-					<p><t>Login phone</t></p>
-				</div>
-			</div>
+			<p class="password-forgotten">
+				<a href="#" on-click="onPasswordLost">
+					<t>Password forgotten? Push here</t>
+				</a>
+			</p>
 		</form>
-		</div>
+		<div class="footer">
+			<p>
+				<t>Yet you are not a customer?</t> 
+				<a href="_Sign up link" target="_blank"><t>Sign up</t></a>
+			</p>
+			<p class="contact">
+				<t>Login phone</t> · <t>Login mail</t>
+			</p>
 		</div>
 	</div>
 </div>
diff --git a/js/hedera/module.js b/js/hedera/module.js
index 2810921b..6961ef61 100644
--- a/js/hedera/module.js
+++ b/js/hedera/module.js
@@ -1,6 +1,5 @@
 
-module.exports = new Class
-({
+module.exports = new Class({
 	 basePath: null
 	,path: null
 	,moduleName: null
@@ -11,84 +10,74 @@ module.exports = new Class
 	,error: false
 	,ready: false
 
-	,initialize: function (basePath, path)
-	{
+	,initialize: function(basePath, path) {
 		var absPath = basePath +'/'+ path;
 
-		var aux = path.split ('/');
+		var aux = path.split('/');
 		var moduleName = aux[aux.length - 1];
 
-		Vn.Locale.load (absPath,
-			this.onLocaleReady.bind (this));
-		Vn.includeJs (absPath +'/'+ moduleName +'.js',
-			this.onJsReady.bind (this));
-		Vn.loadXml (absPath +'/ui.xml',
-			this.onUiReady.bind (this));
+		Vn.Locale.load(absPath,
+			this.onLocaleReady.bind(this));
+		Vn.includeJs(absPath +'/'+ moduleName +'.js',
+			this.onJsReady.bind(this));
+		Vn.loadXml(absPath +'/ui.xml',
+			this.onUiReady.bind(this));
 
 		this.basePath = basePath;
 		this.path = path;
 		this.moduleName = moduleName;
 	}
 	
-	,addCallback: function (callback)
-	{
+	,addCallback: function(callback) {
 		if (!this.ready)
-			this.callbacks.push (callback);
+			this.callbacks.push(callback);
 		else
-			callback (this);
+			callback(this);
 	}
 
-	,onLocaleReady: function (success)
-	{
+	,onLocaleReady: function() {
 		this.localeReady = true;
-		this.onReady ();
+		this.onReady();
 	}
 
-	,onJsReady: function (success)
-	{
+	,onJsReady: function(success) {
 		this.jsReady = true;
 		this.error = !success;
-		this.onReady ();
+		this.onReady();
 	}
 	
-	,onUiReady: function (success)
-	{
+	,onUiReady: function(success) {
 		this.uiReady = true;
 		this.error = !success;
-		this.onReady ();
+		this.onReady();
 	}
 
-	,onReady: function ()
-	{
+	,onReady: function() {
 		if (!(this.localeReady && this.jsReady && this.uiReady))
 			return;
 
 		this.ready = true;
 
-		var klassName = this.toCamelCase (this.moduleName);
+		var klassName = this.toCamelCase(this.moduleName);
 		
 		try {
 			this.klass = Hedera[klassName];
-		}
-		catch (e)
-		{
+		} catch (e) {
 			this.error = true;
-			console.error (e);
+			console.error(e);
 		}
 
 		var callbacks = this.callbacks;
 		this.callbacks = null;
 
 		for (var i = 0; i < callbacks.length; i++)	
-			callbacks[i] (this);
+			callbacks[i](this);
 	}
 	
-	,toCamelCase: function (dashedName)
-	{
-		var camelCase = dashedName.charAt (0).toUpperCase ();
-		camelCase += dashedName.substr (1).replace (/\w\-\w/g, function (token)
-		{
-			return token.charAt (0) + token.charAt (2).toUpperCase ();
+	,toCamelCase: function(dashedName) {
+		var camelCase = dashedName.charAt(0).toUpperCase();
+		camelCase += dashedName.substr(1).replace(/\w-\w/g, function(token) {
+			return token.charAt(0) + token.charAt(2).toUpperCase();
 		});
 		return camelCase;
 	}
diff --git a/js/hedera/report.css b/js/hedera/report.css
index e2cbfd99..2fd9b179 100644
--- a/js/hedera/report.css
+++ b/js/hedera/report.css
@@ -1,8 +1,8 @@
 
 @font-face
 {
-    font-family: 'Roboto';
-    src: url('roboto.ttf') format('truetype');
+	font-family: 'Roboto';
+	src: url('roboto.ttf') format('truetype');
 }
 @media print
 {
diff --git a/js/hedera/report.js b/js/hedera/report.js
index 9129715b..c0221059 100644
--- a/js/hedera/report.js
+++ b/js/hedera/report.js
@@ -1,103 +1,81 @@
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Vn.Object
 
-	,initialize: function (moduleInfo, gui)
-	{
+	,initialize: function(moduleInfo, gui) {
 		this.info = moduleInfo;
 		this.gui = gui;
 		this.conn = gui.conn;
-		this.parent (null);
+		Vn.Object.prototype.initialize.call(this);
 	}
 
-	/**
-	 * Gets an object from the builder associated to this report.
-	 *
-	 * @param {string} objectId The object identifier
-	 * @return {Object} The object, or %null if not found
-	 **/
-	,$: function (objectId)
-	{
-		if (this.builderResult)
-			return this.builderResult.getById (objectId);
-			
-		return null;
-	}
-
-	,open: function (batch)
-	{
-		this.batch = batch;
-		this.createWindow ();
+	,open: function(lot) {
+		this.lot = lot;
+		this.createWindow();
 	}
 	
-	,print: function ()
-	{
-		this.window.print ();
+	,print: function() {
+		this.window.print();
 	}
 
-	,includeCss: function (path)
-	{
+	,includeCss: function(path) {
 		var basePath = location.protocol +'//'+ location.host;
 		basePath += location.port ? ':'+ location.port : '';
-		basePath += location.pathname.substring (0,
-			location.pathname.lastIndexOf ('/'));
+		basePath += location.pathname.substring(0,
+			location.pathname.lastIndexOf('/'));
 	
-		var link = this.doc.createElement ('link');
+		var link = this.doc.createElement('link');
 		link.rel = 'stylesheet';
 		link.type = 'text/css';
-		link.href = basePath +'/'+ path + Vn.getVersion ();
+		link.href = basePath +'/'+ path + Vn.getVersion();
 		
-		var head = this.doc.getElementsByTagName ('head')[0];
-		head.appendChild (link);
+		var head = this.doc.getElementsByTagName('head')[0];
+		head.appendChild(link);
 	}
 
-	,createWindow: function ()
-	{
-		var reportWindow = window.open (
+	,createWindow: function() {
+		var reportWindow = window.open(
 			'js/hedera/report.html', '_blank',
 			'height=650, width=950, resizable=yes, fullscreen=no,'+
 			'titlebar=no, menubar=no, toolbar=no, location=no, scrollbars=yes'
 		);
 		
-		if (!reportWindow)
-		{
-			Htk.Toast.showError (
+		if (!reportWindow) {
+			Htk.Toast.showError(
 				_('Please unlock popups and try again'));
 			return false;
 		}
 		
-		reportWindow.addEventListener ('load', 
-			this._onWindowLoad.bind (this));		
+		reportWindow.addEventListener('load', 
+			this._onWindowLoad.bind(this));		
 		this.window = reportWindow;
 		return true;
 	}
 	
-	,_onWindowLoad: function ()
-	{
+	,_onWindowLoad: function() {
 		this.doc = this.window.document
 
-		this.includeCss ('reports/'+ this.info.path +'/style.css');
+		this.includeCss('reports/'+ this.info.path +'/style.css');
 		
-		var printButton = this.doc.getElementById ('print');
-		printButton.addEventListener ('click', this.print.bind (this));
-		Vn.Node.setText (printButton, _('Print'));
+		var printButton = this.doc.getElementById('print');
+		printButton.addEventListener('click', this.print.bind(this));
+		Vn.Node.setText(printButton, _('Print'));
 		
-		this.onWindowCreate ();
+		this.onWindowCreate();
 	}
 	
-	,onWindowCreate: function ()
-	{
-		var builder = new Vn.Builder ();
-		builder.signalData = this;
-		builder.add ('batch', this.batch);
-		builder.add ('conn', this.conn);
-		builder.loadXml ('reports/'+ this.info.path +'/ui.xml');
+	,onWindowCreate: function() {
+		var builder = new Vn.Builder();
+		builder.compileFile('reports/'+ this.info.path +'/ui.xml');
 
-		var res = this.builderResult = builder.load ();
-		res.link ();
+		var scope = this.scope = builder.load(this.doc, this);
+		scope.link({
+			lot: this.lot,
+			conn: this.conn
+		});
+		this.$ = scope.$;
 
-		this.doc.body.appendChild (res.$('report'));
+		this.doc.body.appendChild(scope.$.report);
 	}
 });
 
diff --git a/js/hedera/social-bar.js b/js/hedera/social-bar.js
index d082068c..b70bf398 100644
--- a/js/hedera/social-bar.js
+++ b/js/hedera/social-bar.js
@@ -1,33 +1,26 @@
+require('./social-bar.scss');
 
-module.exports = new Class
-({
-	Extends: Htk.Widget
+module.exports = new Class({
+	Extends: Vn.Component
 	,Tag: 'htk-social-bar'
-	,Properties:
-	{
-		conn:
-		{
+	,Properties: {
+		conn: {
 			type: Db.Connection
-			,set: function (x)
-			{	
+			,set: function(x) {	
 				this._conn = x;
-				this._refresh ();
+				this._refresh();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._conn;
 			}
 		},
-		priority:
-		{
+		priority: {
 			type: Number
-			,set: function (x)
-			{	
+			,set: function(x) {	
 				this._priority = x;
-				this._refresh ();
+				this._refresh();
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._priority;
 			}
 		}	
@@ -35,42 +28,37 @@ module.exports = new Class
 	
 	,_priority: 0
 	
-	,initialize: function ()
-	{
-		var node = this.createRoot ('div');
+	,initialize: function() {
+		var node = this.createRoot('div');
 		node.className = 'htk-social-bar';
 	}
 
-	,_refresh: function ()
-	{
+	,_refresh: function() {
 		if (!this._conn || this._priority === null)
 			return;
 		
-		var batch = new Sql.Batch ();
-		batch.addValue ('priority', this._priority);
+		const params = {priority: this._priority};
 		
 		var query = 'SELECT title, link, icon FROM social '
 			+'WHERE priority >= #priority ORDER BY priority';
-		this._conn.execQuery (query, this._onQueryDone.bind (this), batch);
+		this._conn.execQuery(query, this._onQueryDone.bind(this), params);
 	}
 
-	,_onQueryDone: function (resultSet)
-	{
-		Vn.Node.removeChilds (this._node);	
-		var res = resultSet.fetchResult ();
+	,_onQueryDone: function(resultSet) {
+		Vn.Node.removeChilds(this._node);	
+		var res = resultSet.fetchResult();
 		
-		while (res.next ())
-		{
-			var a = this.createElement ('a');
-			a.href = res.get ('link');
+		while (res.next()) {
+			var a = this.createElement('a');
+			a.href = res.get('link');
 			a.target = '_blank';
-			this._node.appendChild (a);
+			this._node.appendChild(a);
 			
-			var img = this.createElement ('img');
-			img.src = 'image/social/'+ res.get ('icon');
-			img.alt = res.get ('title');
-			img.title = res.get ('title');
-			a.appendChild (img);
+			var img = this.createElement('img');
+			img.src = 'image/social/'+ res.get('icon');
+			img.alt = res.get('title');
+			img.title = res.get('title');
+			a.appendChild(img);
 		}
 	}
 });
diff --git a/js/hedera/social-bar.scss b/js/hedera/social-bar.scss
new file mode 100644
index 00000000..e540930a
--- /dev/null
+++ b/js/hedera/social-bar.scss
@@ -0,0 +1,13 @@
+
+.htk-social-bar {
+	text-align: center;
+
+	a {
+		display: inline-block;
+		margin: 0 .1em;
+	}
+	img {
+		height: 1.8em;
+		width: 1.8em;
+	}
+}
diff --git a/js/hedera/style.css b/js/hedera/style.css
deleted file mode 100644
index af4cd28c..00000000
--- a/js/hedera/style.css
+++ /dev/null
@@ -1,483 +0,0 @@
-
-@font-face
-{
-	font-family: 'Roboto';
-	src: url('roboto.ttf') format('truetype');
-}
-
-/* Responsive */
-
-/* Standard */
-@media screen
-{
-	body { font-size: 10pt; }
-}
-
-/* Desktop - Laptop 1360x768 */
-@media (max-resolution: 119dpi) and (min-device-width: 1340px) and (max-device-width: 1899px)
-{
-	body { font-size: 10pt; }
-}
-
-/* Desktop - FHD 1920x1080 */
-@media (max-resolution: 119dpi) and (min-device-width: 1900px)
-{
-	body { font-size: 13pt; }
-}
-
-/* Mobile - Low DPI */
-@media
-	(min-resolution: 120dpi),
-	(-webkit-min-device-pixel-ratio: 1.5)
-{
-	body { font-size: 9pt; }
-}
-@media
-	(min-resolution: 144dpi),
-	(-webkit-min-device-pixel-ratio: 1.5)
-{
-	body { font-size: 11pt; }
-}
-
-/* Mobile - Normal DPI */
-@media
-	(max-device-width: 383px) and (min-resolution: 192dpi),
-	(max-device-width: 383px) and (-webkit-min-device-pixel-ratio: 2)
-{
-	body { font-size: 10pt; }
-}
-@media
-	(min-device-width: 384px) and (min-resolution: 192dpi),
-	(min-device-width: 384px) and (-webkit-min-device-pixel-ratio: 2)
-{
-	body { font-size: 11pt; }
-}
-
-/* Mobile - High DPI */
-@media
-	(max-device-width: 411px) and (min-resolution: 249dpi),
-	(max-device-width: 411px) and (-webkit-min-device-pixel-ratio: 3)
-{
-	body { font-size: 10pt; }
-}
-@media
-	(min-device-width: 412px) and (min-resolution: 249dpi),
-	(min-device-width: 412px) and (-webkit-min-device-pixel-ratio: 3)
-{
-	body { font-size: 11pt; }
-}
-
-/* Global */
-
-body
-{
-	font-family: 'Roboto', 'Verdana', 'Sans';
-	background-color: #EEE;
-	color: #333;
-	position: absolute;
-	height: 100%;
-	width: 100%;
-	margin: 0;
-	overflow: auto;
-	z-index: -2;
-}
-label,
-button,
-input,
-select,
-textarea,
-option
-{
-	font-size: inherit;
-	font-family: inherit;
-	color: inherit;
-}
-iframe
-{
-	border: none;
-}
-fieldset
-{
-	margin: 0;
-}
-form
-{
-	padding: 0;
-	margin: 0;
-}
-table
-{
-	width: 100%;
-}
-a:link,
-a:visited,
-a:active
-{
-	color: inherit;
-	text-decoration: none;
-}
-a:hover
-{
-	text-decoration: none;
-	cursor: pointer;
-}
-a img
-{
-	padding: 1px;
-}
-a img:hover
-{
-	opacity: 0.9;
-}
-h1, h2, h3, h4, h5, h6
-{
-	margin: 0;
-	padding: .2em 0;
-}
-h1
-{
-	font-size: 1.5em;
-}
-h2
-{
-	font-size: 1.2em;
-}
-p
-{
-	margin: 0.8em 0;
-}
-
-/* Focus outline */
-
-a:focus,
-input:focus,
-button:focus
-{
-	outline: 1px solid rgba(1, 1, 1, 0.15);
-	-moz-outline-radius: .1em;
-}
-button::-moz-focus-inner,
-input[type=submit]::-moz-focus-inner,
-input[type=button]::-moz-focus-inner,
-input[type=reset]::-moz-focus-inner
-{
-	border: none;
-}
-select:-moz-focusring
-{
-/*	color: transparent;
-    text-shadow: 0 0 0 #333;*/
-}
-
-/* Inputs */
-
-input[type=text],
-input[type=password],
-input[type=file],
-input[type=number],
-textarea,
-select,
-.input
-{
-	border: none;
-	border-bottom: 1px solid #999;
-	margin: .2em 0;
-	box-sizing: border-box;
-	color: #333;
-	border-radius: 0;
-	text-align: left;
-	width: 100%;
-}
-input[type=text],
-input[type=password],
-input[type=number],
-textarea,
-.input
-{
-	padding: 0 .2em;
-}
-input[type=text],
-input[type=password],
-input[type=file],
-input[type=number],
-select,
-.input
-{
-	height: 2.2em;
-}
-textarea
-{
-	height: 3.5em;
-	width: 20em;
-}
-input[type=text]:focus,
-input[type=password]:focus,
-input[type=file]:focus,
-input[type=number]:focus,
-textarea:focus,
-.input:focus
-{
-	border-color: #333;
-}
-input[type=checkbox],
-input[type=radio]
-{
-	cursor: pointer;
-	margin: .2em;
-	padding: .3em;
-}
-select
-{
-	background-color: white;
-	-moz-appearance: none;
-	appearance: none;
-}
-option
-{
-	padding: .4em;
-	border-width: 0;
-	font-weight: normal;
-	font-size: 1em;
-}
-select,
-option
-{
-	cursor: pointer;
-}
-
-/* Buttons */
-
-input[type=submit],
-input[type=button],
-input[type=reset],
-button,
-.button
-{
-	border: none;
-	background-color: transparent;
-	padding: .5em;
-	cursor: pointer;
-	border-radius: 0.1em;
-	margin: -0.5em;
-}
-.button
-{
-	display: inline-block;
-	text-align: center;
-	box-sizing: border-box;
-}
-input[type=submit]:hover,
-input[type=button]:hover,
-input[type=reset]:hover,
-button:hover,
-.button:hover
-{
-	background-color: rgba(1, 1, 1, 0.1);
-}
-
-/* Flat button */
-
-button.flat,
-.button.flat
-{
-	border: none;
-	border-radius: 0.1em;
-	box-shadow: 0 0.2em 0.2em #DDD;
-	background-color: #AD4;
-	color: black;
-}
-button.flat:hover,
-.button.flat:hover
-{
-	background-color: #9C3;
-	cursor: pointer;
-}
-button.flat:disabled,
-.button.flat:disabled
-{
-	color: gray;
-}
-
-/* Thin button */
-
-input[type=submit].thin,
-input[type=button].thin,
-input[type=reset].thin,
-button.thin,
-.button.thin
-{
-	color: #008D77;
-	text-transform: uppercase;
-}
-input[type=submit].thin:disabled,
-input[type=button].thin:disabled,
-input[type=reset].thin:disabled,
-button.thin:disabled
-.button.thin:disabled
-{
-	color: gray;
-}
-
-/* Image */
-
-img.editable
-{
-	cursor: pointer;
-}
-
-/* Button */
-
-.htk-button img
-{
-	height: 1.5em;
-}
-
-/* Float */
-
-.clear
-{
-	clear: both !important;
-}
-
-/* Box */
-
-.box
-{
-	background-color: white;
-	margin: 0 auto;
-	border-radius: 0.1em;
-	box-shadow: 0 0.2em 0.2em #CCC;
-}
-.box .header
-{
-	padding: 0.6em 0.8em;
-	margin: 0;
-	background-color: #009688;
-	color: white;
-}
-.box .header > h1
-{
-	color: white;
-	text-align: left;
-	font-size: 1.6em;
-	line-height: 2em;
-	font-weight: normal;
-	display: inline;
-}
-.box .body
-{
-	padding: 2em;
-}
-
-/* Form */
-
-.form
-{
-	margin: 0 auto;
-}
-.form-group
-{
-	margin-bottom: 1.2em;
-}
-.form-group:last-child
-{
-	margin-bottom: 0;
-}
-.form-group > label
-{
-	display: block;
-	margin: 0;
-	margin-bottom: .2em;
-	font-size: .9em;
-	color: #222;
-}
-.form-group > input[type=text],
-.form-group > input[type=password],
-.form-group > input[type=file],
-.form-group > input[type=number],
-.form-group > select,
-.form-group > textarea
-{
-	margin: 0;
-	width: 100%;
-}
-
-/* Form */
-
-table.form
-{
-	padding: 1em;
-	border-collapse: separate;
-	border-spacing: 0.3em;
-}
-table.form td.label
-{
-	width: 45%;
-	text-align: right;
-}
-table.form tr
-{
-	height: 2.8em;
-}
-
-/* Icon */
-
-img.icon
-{
-	height: 1.5em;
-}
-
-/* Masonry */
-
-.masonry
-{
-	margin: 0 auto;
-	text-align: left;
-}
-.masonry-box
-{
-	width: 100%;
-	display: inline-block;
-	vertical-align: top;
-}
-@media screen and (min-width: 1000px) and (max-width: 1399px)
-{
-	.masonry-box
-	{
-		width: 50%;
-		display: block;
-		float: left;
-		clear: left;
-	}
-	.masonry-box:nth-child(2n+0)
-	{
-		float: right;
-		clear: right;
-	}
-}
-@media screen and (min-width: 1400px)
-{
-	.masonry-box { width: 33.3%; }
-}
-@media screen and (min-width: 2000px)
-{
-	.masonry-box { width: 25%; }
-}
-
-/* Social bar */
-
-.htk-social-bar
-{
-	text-align: center;
-}
-.htk-social-bar a
-{
-	display: inline-block;
-	margin: 0 .1em;
-}
-.htk-social-bar img
-{
-	height: 1.8em;
-	width: 1.8em;
-}
-
diff --git a/js/hedera/tpv.js b/js/hedera/tpv.js
index ee59267d..19c4567a 100644
--- a/js/hedera/tpv.js
+++ b/js/hedera/tpv.js
@@ -1,22 +1,21 @@
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Vn.Object
 
 	,tpvOrder: null
 	,tpvStatus: null
 
 	,check: function(callback) {
-		this.tpvOrder = Vn.Hash.get('tpvOrder');
-		this.tpvStatus = Vn.Hash.get('tpvStatus');
+		this.tpvOrder = this.hash.$.tpvOrder;
+		this.tpvStatus = this.hash.$.tpvStatus;
 
 		if (this.tpvStatus) {
-			var batch = new Sql.Batch();
-			batch.addValue('transaction', this.tpvOrder);
-			batch.addValue('status', this.tpvStatus);
-		
-			var query = 'CALL myTpvTransaction_end(#transaction, #status)';
-			this.conn.execQuery(query, null, batch);
+			const params = {
+				transaction: this.tpvOrder,
+				status: this.tpvStatus
+			};
+			const query = 'CALL myTpvTransaction_end(#transaction, #status)';
+			this.conn.execQuery(query, null, params);
 		}
 		
 		if (callback)
@@ -29,7 +28,7 @@ module.exports = new Class
 
 	,_realPay: function(amount, company) {
 		if (isNumeric(amount) && amount > 0) {
-			var params = {
+			const params = {
 				 amount: parseInt(amount)
 				,urlOk: this._makeUrl('ok')
 				,urlKo: this._makeUrl('ko')
@@ -44,15 +43,15 @@ module.exports = new Class
 
 	,_onTransactionStart: function(json) {
 		if (json) {
-			var postValues = json.postValues;
+			const postValues = json.postValues;
 
-			var form = document.createElement('form');
+			const form = document.createElement('form');
 			form.method = 'POST';
 			form.action = json.url;
 			document.body.appendChild(form);
 			
 			for (var field in postValues) {
-				var input = document.createElement('input');
+				const input = document.createElement('input');
 				input.type = 'hidden';
 				input.name = field;
 				form.appendChild(input);
@@ -67,37 +66,38 @@ module.exports = new Class
 	}
 	
 	,retryPay: function() {
-		var batch = new Sql.Batch();
-		batch.addValue('transaction', parseInt(this.tpvOrder));
+		const params = {transaction: parseInt(this.tpvOrder)};
 
-		var query = 'SELECT t.amount, m.companyFk '
+		const query = 'SELECT t.amount, m.companyFk '
 			+'FROM myTpvTransaction t '
 			+'JOIN tpvMerchant m ON m.id = t.merchantFk '
 				+'WHERE t.id = #transaction';
 		this.conn.execQuery(query,
-			this._onRetryPayDone.bind(this), batch);
+			this._onRetryPayDone.bind(this), params);
 	}
 	
 	,_onRetryPayDone: function(resultSet) {
-		var res = resultSet.fetchResult();
+		const res = resultSet.fetchObject();
 		
-		if (res.next())
-			this._realPay(res.get('amount'), res.get('companyFk'));
+		if (res)
+			this._realPay(res.amount, res.companyFk);
 		else
 			Htk.Toast.showError(_('AmountError'));
 	}
 
 	,_makeUrl: function(status) {
-		var path = location.protocol +'//'+ location.host;
+		let path = location.protocol +'//'+ location.hostname;
 		path += location.port ? ':'+ location.port : '';
 		path += location.pathname;
 		path += location.search ? location.search : '';
-		path += Vn.Hash.make({
+		path += this.hash.make({
 			form: 'ecomerce/orders',
 			tpvStatus: status,
 			tpvOrder: '_transactionId_'
 		}, true);
 
+		alert(path);
+
 		return path;
 	}
 });
diff --git a/js/htk/assistant-bar.js b/js/htk/assistant-bar/index.js
similarity index 72%
rename from js/htk/assistant-bar.js
rename to js/htk/assistant-bar/index.js
index 420872cd..dbcc2ddf 100644
--- a/js/htk/assistant-bar.js
+++ b/js/htk/assistant-bar/index.js
@@ -1,9 +1,9 @@
-
-var Widget = require('./widget');
-var Assistant = require('./assistant');
+require('./style.scss');
+var Component = require('vn/component');
+var Assistant = require('../assistant');
 
 module.exports = new Class({
-	Extends: Widget,
+	Extends: Component,
 	Tag: 'htk-assistant-bar',
 	Properties: {
 		assistant: {
@@ -38,42 +38,35 @@ module.exports = new Class({
 	_disabled: false,
 	
 	render: function() {
-		var bar = this.createRoot('div');
-		bar.className = 'htk-assistant-bar';
-		
-		var previousButton = this.createElement('button');
-		previousButton.className = 'previous';
-		previousButton.title = _('Previous');
+		var node = this.createRoot('div');
+
+		var previousButton = new Htk.Button({
+			icon: 'arrow_back_ios',
+			tip: 'Previous'
+		}).node;
+		previousButton.classList.add('previous');
 		previousButton.addEventListener('click', this.movePrevious.bind(this));
-		bar.appendChild(previousButton);
-		
-		var img = this.createElement('img');
-		img.src = 'image/icon/light/go-previous.svg';
-		previousButton.appendChild(img);
+		node.appendChild(previousButton);
 		
 		var steps = this.createElement('div');
 		steps.className = 'steps';
-		bar.appendChild(steps);
+		node.appendChild(steps);
 		
-		var nextButton = this.createElement('button');
-		nextButton.className = 'next';
-		nextButton.title = _('Next');
+		var nextButton = new Htk.Button({
+			icon: 'arrow_forward_ios',
+			tip: 'Next'
+		}).node;
+		nextButton.classList.add('next');
 		nextButton.addEventListener('click', this.moveNext.bind(this));
-		bar.appendChild(nextButton);
+		node.appendChild(nextButton);
 		
-		var img = this.createElement('img');
-		img.src = 'image/icon/light/go-next.svg';
-		nextButton.appendChild(img);
-		
-		var endButton = this.createElement('button');
-		endButton.className = 'end';
-		endButton.title = _('Confirm');
+		var endButton = new Htk.Button({
+			icon: 'done',
+			tip: 'Confirm'
+		}).node;
+		endButton.classList.add('end');
 		endButton.addEventListener('click', this.end.bind(this));
-		bar.appendChild(endButton);
-		
-		var img = this.createElement('img');
-		img.src = 'image/icon/light/ok.svg';
-		endButton.appendChild(img);
+		node.appendChild(endButton);
 		
 		this._steps = steps;
 		this._previousButton = previousButton;
diff --git a/js/htk/assistant-bar/style.scss b/js/htk/assistant-bar/style.scss
new file mode 100644
index 00000000..4b6877d3
--- /dev/null
+++ b/js/htk/assistant-bar/style.scss
@@ -0,0 +1,66 @@
+
+.htk-assistant-bar {
+	position: relative;
+	padding: .8em;
+	display: flex;
+	align-items: center;
+	justify-content: space-between;
+	box-sizing: border-box;
+	width: 100%;
+
+	& > button {
+		border-radius: 50%;
+		padding: .5em;
+		margin: 0;
+		text-align: center;
+
+		& > img {
+			display: block;
+			width: 1.8em;
+			padding: .5em;
+		}
+	}
+	& > .end {
+		display: none;
+		color: #8cc63f;
+
+		& > .icon {
+			font-size: 1.6rem;
+		}
+	}
+	& > .steps {
+		display: flex;
+		align-items: center;
+
+		& > div {
+			background-color: #AAA;
+			width: .5em;
+			height: .5em;
+			cursor: pointer;
+			border-radius: 50%;
+			margin: .5em;
+		
+			transition-property: width, height;
+			transition-duration: 100ms;
+			transition-timing-function: ease-in-out;
+
+			&.selected {
+				background-color: #666;
+				width: 1em;
+				height: 1em;
+			}
+			&:hover {
+				opacity: .7;
+			}
+		}
+		& > img {
+			width: 1.3em;
+			margin: 0 .2em;
+			cursor: pointer;
+
+			&:hover {
+				opacity: .7;
+			}
+		}
+	}
+}
diff --git a/js/htk/assistant.js b/js/htk/assistant/index.js
similarity index 90%
rename from js/htk/assistant.js
rename to js/htk/assistant/index.js
index 1a17dc68..486f781a 100644
--- a/js/htk/assistant.js
+++ b/js/htk/assistant/index.js
@@ -1,13 +1,13 @@
-
-var Widget = require('./widget');
-var Step = require('./step');
-var Toast = require('./toast');
+require('./style.scss');
+var Component = require('vn/component');
+var Step = require('../step');
+var Toast = require('../toast');
 
 /**
  * A simple assistant with steps.
  */
 module.exports = new Class({
-	Extends: Widget,
+	Extends: Component,
 	Tag: 'htk-assistant',
 	Properties: {
 		/**
@@ -42,7 +42,7 @@ module.exports = new Class({
 			set: function(x) {
 				this._stepsIndex = x;
 				this.setStep(this._stepIndex);
-				this.signalEmit('steps-change');
+				this.emit('steps-change');
 			},
 			get: function() {
 				return this._stepsIndex;
@@ -81,9 +81,8 @@ module.exports = new Class({
 	steps: {},
 
 	initialize: function(props) {
-		var node = this.createRoot('div');
-		node.className = 'htk-assistant';
-		this.parent(props);
+		Component.prototype.initialize.call(this, props);
+		this.createRoot('div');
 	},
 
 	appendChild: function(step) {
@@ -132,7 +131,7 @@ module.exports = new Class({
 		this._stepName = stepName;
 		this.currentStep = step;
 		step.show();
-		this.signalEmit('step-change', stepIndex);
+		this.emit('step-change', stepIndex);
 		
 		if (this.stepFunc)
 			this.stepFunc(step);
diff --git a/js/htk/assistant/style.scss b/js/htk/assistant/style.scss
new file mode 100644
index 00000000..b5261194
--- /dev/null
+++ b/js/htk/assistant/style.scss
@@ -0,0 +1,14 @@
+
+.htk-assistant > div {
+	display: none;
+	
+	& > h2 {
+		text-align: center;
+		font-weight: normal;
+		font-size: 1.5rem;
+		margin: 0;
+		padding: 0;
+		margin-bottom: 1em;
+		font-weight: bold;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/bar-button/index.js b/js/htk/bar-button/index.js
new file mode 100644
index 00000000..aad3e764
--- /dev/null
+++ b/js/htk/bar-button/index.js
@@ -0,0 +1,9 @@
+
+var Button = require('../button');
+
+module.exports = new Class({
+	Extends: Button
+	,Tag: 'htk-bar-button'
+	
+	,_showText: true
+});
diff --git a/js/htk/button/index.js b/js/htk/button/index.js
new file mode 100644
index 00000000..bba8e449
--- /dev/null
+++ b/js/htk/button/index.js
@@ -0,0 +1,61 @@
+require('./style.scss');
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-button'
+	,Properties: {
+		image: {
+			type: String
+			,set: function(x) {
+				this.iconNode.name = x;
+			}
+		},
+		icon: {
+			type: String
+			,set: function(x) {
+				this.iconNode.name = x;
+			}
+		},
+		tip: {
+			type: String
+			,set: function(x) {
+				this.node.title = x ? _(x) : '';
+				this.renderContent();
+			}
+			,get: function() {
+				return this.node.title;
+			}
+		},
+		showText: {
+			type: Boolean
+			,set: function(x) {
+				this._showText = x;
+				this.renderContent();
+			}
+			,get: function() {
+				return this._showText;
+			}
+		}
+	}
+	
+	,_showText: false
+	
+	,render: function() {
+		var node = this.createRoot('button');
+	
+		this.iconNode = new Htk.Icon();
+		node.appendChild(this.iconNode.node);
+	}
+	
+	,renderContent: function() {
+		if (this._textNode)
+			Vn.Node.remove(this._textNode);
+
+		if (this._showText && this.node.title) {
+			this._textNode = this.createElement('span');
+			this._textNode.className = 'text';
+			this._textNode.appendChild(this.createTextNode(this.node.title));
+			this.node.appendChild(this._textNode);
+		}
+	}
+});
diff --git a/js/htk/button/style.scss b/js/htk/button/style.scss
new file mode 100644
index 00000000..4ac5ef43
--- /dev/null
+++ b/js/htk/button/style.scss
@@ -0,0 +1,10 @@
+
+.htk-button {
+	display: flex;
+	align-items: center;
+	gap: 8px;
+
+	& > .htk-icon {
+		display: block;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/field/calendar.js b/js/htk/calendar/index.js
similarity index 89%
rename from js/htk/field/calendar.js
rename to js/htk/calendar/index.js
index 0a1eb085..aeaeb569 100644
--- a/js/htk/field/calendar.js
+++ b/js/htk/calendar/index.js
@@ -1,16 +1,15 @@
+require('./style.scss');
 
 module.exports = new Class({
 	Extends: Htk.Field
 	,Tag: 'htk-calendar'
-	,Properties:
-	{
-		restrictFunc:
-		{
+	,Properties: {
+		restrictFunc: {
 			type: Function
 			,set: function(x) {
 				this._restrictFunc = x;
 			}
-			,get: function(x) {
+			,get: function() {
 				return this._restrictFunc;
 			}
 		}
@@ -22,10 +21,7 @@ module.exports = new Class({
 	,month: null
 
 	,render: function() {
-		var len = Vn.Date.WDays.length;
-		
-		var node = this.createRoot('div');
-		node.className = 'htk-calendar';
+		this.createRoot('div');
 		
 		var table = this.createElement('table');
 		this.node.appendChild(table);
@@ -33,6 +29,7 @@ module.exports = new Class({
 		var colgroup = this.createElement('colgroup');
 		table.appendChild(colgroup);
 		
+		var len = Vn.Date.WDays.length;
 		for (var i = 0; i < len; i++)
 			colgroup.appendChild(this.createElement('col'));
 		
@@ -43,12 +40,17 @@ module.exports = new Class({
 		thead.appendChild(tr);
 
 		var th = this.createElement('th');
-		th.appendChild(this.createTextNode('<'));
-		th.className = 'button';
-		th.addEventListener('click', this.prevMonthClicked.bind(this));
+		th.className = 'previous';
 		tr.appendChild(th);
 
+		var previousButton = new Htk.Button({
+			icon: 'arrow_back_ios'
+		}).node;
+		previousButton.addEventListener('click', this.prevMonthClicked.bind(this));
+		th.appendChild(previousButton);
+
 		var th = this.createElement('th');
+		th.className = 'month-year';
 		th.colSpan = 5;
 		tr.appendChild(th);
 
@@ -62,12 +64,17 @@ module.exports = new Class({
 		th.appendChild(yearNode);
 
 		var th = this.createElement('th');
-		th.appendChild(this.createTextNode('>'));
-		th.className = 'button';
-		th.addEventListener('click', this.nextMonthClicked.bind(this));
+		th.className = 'next';
 		tr.appendChild(th);
+
+		var nextButton = new Htk.Button({
+			icon: 'arrow_forward_ios'
+		}).node;
+		nextButton.addEventListener('click', this.nextMonthClicked.bind(this));
+		th.appendChild(nextButton);
 		
 		var tr = this.createElement('tr');
+		tr.className = 'weekdays';
 		thead.appendChild(tr);
 		
 		for (var i = 1; i <= len; i++) {
diff --git a/js/htk/calendar/style.scss b/js/htk/calendar/style.scss
new file mode 100644
index 00000000..56761078
--- /dev/null
+++ b/js/htk/calendar/style.scss
@@ -0,0 +1,94 @@
+@import "../style/variables";
+@import "../style/classes";
+
+.htk-calendar {
+	@extend %box;
+	width: 20em;
+
+	table {
+		border-collapse: collapse;
+	}
+	thead tr,
+	tfoot tr {
+		font-weight: normal;
+		vertical-align: middle;
+		text-align: center;
+		height: 3em;
+	}
+	thead > tr {
+		&.weekdays > th {
+			font-weight: normal;
+			color: #999;
+			text-transform: lowercase;
+		}
+		& > th {
+			&.previous, &.next {
+				font-size: .8rem;
+
+				button {
+					border-radius: 50%;
+					padding: 10px;
+					display: block;
+					margin: 0 auto;
+
+					& > .htk-icon {
+						font-size: 1rem;
+					}
+				}
+			}
+			&.month-year {
+				font-size: 1.2rem;
+				text-transform: lowercase;
+			}
+		}
+	}
+	tfoot tr {
+		border-top: none;
+	}
+	th.button {
+		display: table-cell;
+	}
+	th.button:hover {
+		cursor: pointer;
+		background-color: rgba(1, 1, 1, 0.2);
+	}
+	col {
+		width: 14.2%;
+	}
+	tr {
+		height: 2em;
+	}
+	tbody td {
+		text-align: right;
+	}
+	tbody td > div {
+		height: 2em;
+		width: 2em;
+		line-height: 2em;
+		text-align: center;
+		border-radius: 2em;
+		padding: 0.3em;
+		margin: 0 auto;
+		color: #555;
+	}
+	div {
+		&.disabled {
+			color: #bbb;
+		}
+		&.today {
+			font-weight: bold;
+			color: black;
+		}
+		&.selected {
+			color: white;
+			background-color: $color-primary;
+		}
+		&.enabled {
+			@extend %clickable;
+
+			&:hover {
+				background-color: rgba(140, 198, 63, 0.8);
+			}
+		}
+	}
+}
diff --git a/js/htk/check/index.js b/js/htk/check/index.js
new file mode 100644
index 00000000..56d4f8e8
--- /dev/null
+++ b/js/htk/check/index.js
@@ -0,0 +1,26 @@
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-check'
+
+	,render: function() {
+		var node = this.createRoot('input');
+		node.type = 'checkbox';
+		node.addEventListener('change', this.changed.bind(this));
+	}
+
+	,changed: function() {
+		this.valueChanged(this.node.checked);
+	}
+
+	,putValue: function(value) {
+		if (value)
+			this.node.checked = true;
+		else
+			this.node.checked = false;
+	}
+
+	,setEditable: function(editable) {
+		this.node.disabled = !editable;
+	}
+});
diff --git a/js/htk/column/check.js b/js/htk/column/check.js
deleted file mode 100644
index 950187d0..00000000
--- a/js/htk/column/check.js
+++ /dev/null
@@ -1,34 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Column
-	,Tag: 'htk-column-check'
-
-	,initialize: function (props)
-	{
-		this._cssClass = 'cell-check';
-		this.parent (props);
-	}
-
-	,render: function (tr)
-	{
-		var checkButton = this.createElement ('input');
-		checkButton.type = 'checkbox';
-		checkButton.checked = this.value;
-	
-		if (this.editable)
-			checkButton.addEventListener ('changed',
-				this.inputChanged.bind (this, tr, node));
-		else
-			checkButton.disabled = true;
-
-		var td = this.parent (tr);
-		td.appendChild (checkButton);
-		return td;
-	}
-	
-	,inputChanged: function (tr, node)
-	{
-		this.changed (tr, node.value);
-	}
-});
diff --git a/js/htk/column.js b/js/htk/column/index.js
similarity index 53%
rename from js/htk/column.js
rename to js/htk/column/index.js
index fbd701e3..e5f9385b 100644
--- a/js/htk/column.js
+++ b/js/htk/column/index.js
@@ -1,51 +1,41 @@
 
-var NodeBuilder = require ('./node-builder');
+var NodeBuilder = require('../../vn/node-builder');
 
 /**
  * Represents a grid column. This is an abstract class and should not be
  * instantiated directly.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: NodeBuilder
 	,Tag: 'htk-column'
-	,Properties:
-	{
-		value:
-		{
+	,Properties: {
+		value: {
 			type: String
 			,value: null
 		},
-		column:
-		{
+		column: {
 			type: String
 			,value: null
 		},
-		columnIndex:
-		{
+		columnIndex: {
 			type: Number
 			,value: -1
 		},
-		title:
-		{
+		title: {
 			 type: String
 			 ,value: null
 		},
-		editable:
-		{
+		editable: {
 			type: Boolean
 			,value: false
 		},
-		renderer:
-		{
+		renderer: {
 			type: Function
 			,value: false
 		},
-		class:
-		{
+		class: {
 			type: String
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._userCssClass = x;
 				
 				if (this._cssClass)
@@ -53,8 +43,7 @@ module.exports = new Class
 				else
 					this._cssClass = x;
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._userCssClass;
 			}
 		}
@@ -65,19 +54,17 @@ module.exports = new Class
 
 	/**
 	 * Initializes the column.
-	 **/
-	,initialize: function (props)
-	{
-		this.parent (props);
-		this.td = this.createElement ('td');
+	 */
+	,initialize: function(props) {
+		NodeBuilder.prototype.initialize.call(this, props);
+		this.td = this.createElement('td');
 	}
 	
-	,renderHeader: function ()
-	{
-		var th = this.createElement ('th');
+	,renderHeader: function() {
+		var th = this.createElement('th');
 		
 		if (this.title)
-			th.appendChild (this.createTextNode (this.title));
+			th.appendChild(this.createTextNode(this.title));
 			
 		return th;
 	}
@@ -86,10 +73,9 @@ module.exports = new Class
 	 * Draws the cell and returns its associated td.
 	 *
 	 * @return {HTMLTableData} the rendered cell
-	 **/
-	,render: function ()
-	{
-		var td = this.td.cloneNode (true);
+	 */
+	,render: function() {
+		var td = this.td.cloneNode(true);
 
 		if (this._cssClass)
 			td.className = this._cssClass;
@@ -97,15 +83,13 @@ module.exports = new Class
 		return td;
 	}
 
-	,updateColumnIndex: function (model)
-	{
-		if (this.column)
-			this.columnIndex = model.getColumnIndex (this.column);
+	,updateColumnName: function(model) {
+		if (this.columnIndex !== -1)
+			this.column = model.getColumnName(this.columnIndex);
 	}
 
-	,changed: function (tr, newValue)
-	{
-		this.signalEmit ('changed', tr.rowIndex - 1, newValue);
+	,changed: function(tr, newValue) {
+		this.emit('changed', tr.rowIndex - 1, newValue);
 	}
 });
 
diff --git a/js/htk/column/radio.js b/js/htk/column/radio.js
deleted file mode 100644
index a10235d2..00000000
--- a/js/htk/column/radio.js
+++ /dev/null
@@ -1,39 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Column
-	,Tag: 'htk-column-radio'
-	,Properties:
-	{
-		param:
-		{
-			type: Vn.Param
-			,set: function (x)
-			{
-				this.radioGroup.master = x;
-			}
-		}
-	}
-
-	,initialize: function (props)
-	{
-		this._cssClass = 'cell-radio';
-		this.radioGroup = new Htk.RadioGroup (this.doc);
-		this.parent (props);
-	}
-
-	,render: function (tr)
-	{
-		var td = this.parent (tr);
-
-		var radio = this.radioGroup.createButton (this.value);
-		td.appendChild (radio);
-
-		return td;
-	}
-	
-	,clear: function ()
-	{
-		this.radioGroup.clear ();
-	}
-});
diff --git a/js/htk/column/spin.js b/js/htk/column/spin.js
deleted file mode 100644
index eaed6852..00000000
--- a/js/htk/column/spin.js
+++ /dev/null
@@ -1,73 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Column
-	,Tag: 'htk-column-spin'
-	,Properties:
-	{
-		/**
-		 * The text to append to the number.
-		 **/
-		unit:
-		{
-			type: String
-			,value: null
-		},
-		/**
-		 * The number of decimal places to display.
-		 **/
-		digits: {
-			type: Number
-			,value: 0
-		}
-	}
-	
-	,initialize: function (props)
-	{
-		this._cssClass = 'cell-spin';
-		this.parent (props);
-	}
-	
-	,renderHeader: function ()
-	{
-		var th = this.parent ();
-		th.className = 'cell-spin';
-		return th;
-	}
-
-	,render: function (tr)
-	{
-		var td = this.parent (tr);
-		
-		var valueString = null;
-		
-		if (this.value !== null && this.value !== undefined)
-			valueString = new Number (this.value).toFixed (this.digits);
-
-		if (this.editable)
-		{
-			var entry = this.createElement ('input');
-			entry.type = 'text';
-			entry.addEventListener ('change', this.inputChanged.bind (this, tr, entry));
-			td.appendChild (entry);
-			
-			if (valueString)
-				entry.value = valueString;
-		}
-		else if (valueString)
-		{
-			if (this.unit)
-				valueString = valueString + this.unit;
-		
-			var text = this.createTextNode (valueString);
-			td.appendChild (text);
-		}
-
-		return td;
-	}
-	
-	,inputChanged: function (tr, entry)
-	{
-		this.changed (tr, parseInt (entry.value));
-	}
-});
diff --git a/js/htk/column/text.js b/js/htk/column/text.js
deleted file mode 100644
index ae1eb277..00000000
--- a/js/htk/column/text.js
+++ /dev/null
@@ -1,60 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Column
-	,Tag: 'htk-column-text'
-	,Properties:
-	{
-		/**
-		 * Format that applies to the value.
-		 **/
-		format:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._format = _(x);
-			}
-			,get: function ()
-			{
-				return this._format;
-			}
-		}
-	}
-	
-	,_format: null
-
-	,initialize: function (props)
-	{
-		this._cssClass = 'cell-text';
-		this.parent (props);
-	}
-
-	,render: function (tr)
-	{
-		var node;
-	
-		if (this.editable)
-		{
-			var value = this.value ? this.value : '';
-
-			node = this.createElement ('input');
-			node.type = 'text';
-			node.value = value;
-			node.addEventListener ('changed',
-				this.inputChanged.bind (this, tr, node));
-		}
-		else
-			node = this.createTextNode (
-				Vn.Value.format (this.value, this._format));
-
-		var td = this.parent (tr);
-		td.appendChild (node);
-		return td;
-	}
-	
-	,inputChanged: function (tr, node)
-	{
-		this.changed (tr, node.value);
-	}
-});
diff --git a/js/htk/column/button.js b/js/htk/columns/button/index.js
similarity index 72%
rename from js/htk/column/button.js
rename to js/htk/columns/button/index.js
index e799a121..552a39e5 100644
--- a/js/htk/column/button.js
+++ b/js/htk/columns/button/index.js
@@ -1,3 +1,4 @@
+require('./style.scss');
 
 module.exports = new Class({
 	Extends: Htk.Column,
@@ -9,13 +10,10 @@ module.exports = new Class({
 		},
 		icon: {
 			type: String
-			,set: function(x)
-			{
+			,set: function(x) {
 				this._icon = x;
-				this.image = 'image/icon/light/'+ x +'.svg';
 			}
-			,get: function()
-			{
+			,get: function() {
 				return this._icon;
 			}
 		},
@@ -39,13 +37,13 @@ module.exports = new Class({
 	
 	initialize: function(props) {
 		this._cssClass = 'cell-button';
-		this.parent(props);
+		Htk.Column.prototype.initialize.call(this, props);
 	},
 
 	render: function(tr) {
-		var td = this.parent(tr);
+		const td = Htk.Column.prototype.render.call(this, tr);
 
-		var button;
+		let button;
 		
 		if (this.href == null) {
 			button = this.createElement('button');
@@ -57,22 +55,21 @@ module.exports = new Class({
 			button.target = this.target;
 		}
 	
+		if (this.tip)
+			button.title = _(this.tip);
+
 		button.disabled = this.disabled;
 		td.appendChild(button);
 	
-		var img = this.createElement('img');
-		img.src = this.image;
-		button.appendChild(img);
-
-		if (this.tip) {
-			button.title = _(this.tip);
-			img.title = _(this.tip);
-		}
+		const icon = new Htk.Icon({
+			name: this._icon
+		});
+		button.appendChild(icon.node);
 
 		return td;
 	},
 
 	buttonClicked: function(value, tr, button) {
-		this.signalEmit('clicked', value, tr.rowIndex - 1, button);
+		this.emit('clicked', value, tr.rowIndex - 1, button);
 	}
 });
diff --git a/js/htk/columns/button/style.scss b/js/htk/columns/button/style.scss
new file mode 100644
index 00000000..e9e60890
--- /dev/null
+++ b/js/htk/columns/button/style.scss
@@ -0,0 +1,34 @@
+@import "../../style/classes";
+
+td.cell-button {
+	max-width: 20px;
+	text-align: center;
+
+	& > button,
+	& > a {
+		@extend %clickable;
+		display: block;
+		height: 44px;
+		width: 44px;
+		margin: 0 auto;
+		border: none;
+		border-radius: 50%;
+		padding: 10px;
+		background-color: transparent;
+		box-sizing: border-box;
+
+		& > .htk-icon {
+			display: block;
+		}
+		&:hover {
+			background-color: rgba(1, 1, 1, 0.1);
+		}
+	}
+	img {
+		height: 1.5em;
+		width: 1.5em;
+		display: block;
+		margin: auto;
+		padding: 0;
+	}
+}
diff --git a/js/htk/columns/check/index.js b/js/htk/columns/check/index.js
new file mode 100644
index 00000000..0face4d1
--- /dev/null
+++ b/js/htk/columns/check/index.js
@@ -0,0 +1,31 @@
+require('./style.scss');
+
+module.exports = new Class({
+	Extends: Htk.Column
+	,Tag: 'htk-column-check'
+
+	,initialize: function(props) {
+		this._cssClass = 'cell-check';
+		Htk.Column.prototype.initialize.call(this, props);
+	}
+
+	,render: function(tr) {
+		var checkButton = this.createElement('input');
+		checkButton.type = 'checkbox';
+		checkButton.checked = this.value;
+	
+		if (this.editable)
+			checkButton.addEventListener('changed',
+				this.inputChanged.bind(this, tr, node));
+		else
+			checkButton.disabled = true;
+
+		var td = Htk.Column.prototype.render.call(this, tr);
+		td.appendChild(checkButton);
+		return td;
+	}
+	
+	,inputChanged: function(tr, node) {
+		this.changed(tr, node.value);
+	}
+});
diff --git a/js/htk/columns/check/style.scss b/js/htk/columns/check/style.scss
new file mode 100644
index 00000000..bdee6773
--- /dev/null
+++ b/js/htk/columns/check/style.scss
@@ -0,0 +1,5 @@
+
+th.cell-check,
+th.cell-radio {
+	text-align: center;
+}
diff --git a/js/htk/column/date.js b/js/htk/columns/date/index.js
similarity index 50%
rename from js/htk/column/date.js
rename to js/htk/columns/date/index.js
index 94866871..336573fc 100644
--- a/js/htk/column/date.js
+++ b/js/htk/columns/date/index.js
@@ -7,16 +7,14 @@ module.exports = new Class
 	{
 		/**
 		 * Format that applies to the value.
-		 **/
+		 */
 		format:
 		{
 			type: String
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._format = _(x);
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._format;
 			}
 		}
@@ -24,18 +22,16 @@ module.exports = new Class
 
 	,_format: _('%a, %e %b %Y')
 	
-	,initialize: function (props)
-	{
+	,initialize: function(props) {
 		this._cssClass = 'cell-date';
-		this.parent (props);
+		Htk.Column.prototype.initialize.call(this, props);
 	}
 
-	,render: function (tr)
-	{
-		var text = Vn.Date.strftime (this.value, this._format);
+	,render: function(tr) {
+		var text = Vn.Date.strftime(this.value, this._format);
 
-		var td = this.parent (tr);
-		td.appendChild (this.createTextNode (text));
+		var td = Htk.Column.prototype.render.call(this, tr);
+		td.appendChild(this.createTextNode(text));
 
 		return td;
 	}
diff --git a/js/htk/column/image.js b/js/htk/columns/image/index.js
similarity index 63%
rename from js/htk/column/image.js
rename to js/htk/columns/image/index.js
index ddad8143..3542f238 100644
--- a/js/htk/column/image.js
+++ b/js/htk/columns/image/index.js
@@ -1,52 +1,45 @@
+require('./style.scss');
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Htk.Column
 	,Tag: 'htk-column-image'
-	,Properties:
-	{
+	,Properties: {
 		/**
 		 * The directory where the images are allocated.
-		 **/
-		directory:
-		{
+		 */
+		directory:{
 			type: String
 			,value: null
 		},
 		/**
 		 * The subdirectory where the images are allocated.
-		 **/
-		subdir:
-		{
+		 */
+		subdir:{
 			type: String
 			,value: null
 		},
 		/**
 		 * Subdirectory where full images are allocated.
-		 **/
-		fullDir:
-		{
+		 */
+		fullDir:{
 			type: String
 			,value: null
 		},
 		/**
 		 * The REST connection used to upload the image.
-		 **/
-		conn:
-		{
+		 */
+		conn:{
 			type: Vn.JsonConnection
 		}
 	}
 	
-	,initialize: function (props)
-	{
+	,initialize: function(props) {
 		this._cssClass = 'cell-image';
-		this.parent (props);
+		Htk.Column.prototype.initialize.call(this, props);
 	}
 
-	,render: function (tr)
-	{
-		var image = new Htk.Image ({
+	,render: function(tr) {
+		var image = new Htk.Image({
 			 directory: this.directory
 			,subdir: this.subdir
 			,fullDir: this.fullDir
@@ -55,8 +48,8 @@ module.exports = new Class
 			,doc: this.doc
 		});
 
-		var td = this.parent (tr);
-		td.appendChild (image.node);
+		var td = Htk.Column.prototype.render.call(this, tr);
+		td.appendChild(image.node);
 		return td;
 	}
 });
diff --git a/js/htk/columns/image/style.scss b/js/htk/columns/image/style.scss
new file mode 100644
index 00000000..9be8f215
--- /dev/null
+++ b/js/htk/columns/image/style.scss
@@ -0,0 +1,11 @@
+
+td.cell-image {
+	text-align: center;
+	
+	.htk-image {
+		max-width: 2.5em;
+		max-height: 2.5em;
+		display: block;
+		margin: auto;
+	}
+}
diff --git a/js/htk/column/link.js b/js/htk/columns/link/index.js
similarity index 52%
rename from js/htk/column/link.js
rename to js/htk/columns/link/index.js
index d50437f2..23b44895 100644
--- a/js/htk/column/link.js
+++ b/js/htk/columns/link/index.js
@@ -1,39 +1,34 @@
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Htk.Column
 	,Tag: 'htk-column-link'
-	,Properties:
-	{
+	,Properties: {
 		/**
 		 * The link url.
-		 **/
-		href:
-		{
+		 */
+		href:{
 			type: String
 			,value: null
 		},
 		/**
 		 * the target where the link is opened.
-		 **/
-		target:
-		{
+		 */
+		target:{
 			type: String
 			,value: null
 		}
 	}
 
-	,render: function (tr)
-	{
-		var link = this.createElement ('a');
+	,render: function(tr) {
+		var link = this.createElement('a');
 		link.href = this.href;
-		link.appendChild (this.createTextNode (this.value));
+		link.appendChild(this.createTextNode(this.value));
 		
 		if (this.target)
 			link.target = this.target;
 		
-		var td = this.parent (tr);
-		td.appendChild (link);
+		var td = Htk.Column.prototype.render.call(this, tr);
+		td.appendChild(link);
 		return td;
 	}
 });
diff --git a/js/htk/columns/radio/index.js b/js/htk/columns/radio/index.js
new file mode 100644
index 00000000..29b753e4
--- /dev/null
+++ b/js/htk/columns/radio/index.js
@@ -0,0 +1,32 @@
+
+module.exports = new Class({
+	Extends: Htk.Column
+	,Tag: 'htk-column-radio'
+	,Properties: {
+		param:{
+			type: Vn.Param
+			,set: function(x) {
+				this.radioGroup.master = x;
+			}
+		}
+	}
+
+	,initialize: function(props) {
+		this._cssClass = 'cell-radio';
+		this.radioGroup = new Htk.RadioGroup(this.doc);
+		Htk.Column.prototype.initialize.call(this, props);
+	}
+
+	,render: function(tr) {
+		var td = Htk.Column.prototype.render.call(this, tr);
+
+		var radio = this.radioGroup.createButton(this.value);
+		td.appendChild(radio);
+
+		return td;
+	}
+	
+	,clear: function() {
+		this.radioGroup.clear();
+	}
+});
diff --git a/js/htk/columns/spin/index.js b/js/htk/columns/spin/index.js
new file mode 100644
index 00000000..85022c4e
--- /dev/null
+++ b/js/htk/columns/spin/index.js
@@ -0,0 +1,64 @@
+require('./style.scss');
+
+module.exports = new Class({
+	Extends: Htk.Column
+	,Tag: 'htk-column-spin'
+	,Properties: {
+		/**
+		 * The text to append to the number.
+		 */
+		unit:{
+			type: String
+			,value: null
+		},
+		/**
+		 * The number of decimal places to display.
+		 */
+		digits: {
+			type: Number
+			,value: 0
+		}
+	}
+	
+	,initialize: function(props) {
+		this._cssClass = 'cell-spin';
+		Htk.Column.prototype.initialize.call(this, props);
+	}
+	
+	,renderHeader: function() {
+		var th = Htk.Column.prototype.renderHeader.call(this, );
+		th.className = 'cell-spin';
+		return th;
+	}
+
+	,render: function(tr) {
+		var td = Htk.Column.prototype.render.call(this, tr);
+		
+		var valueString = null;
+		
+		if (this.value !== null && this.value !== undefined)
+			valueString = new Number(this.value).toFixed(this.digits);
+
+		if (this.editable) {
+			var entry = this.createElement('input');
+			entry.type = 'text';
+			entry.addEventListener('change', this.inputChanged.bind(this, tr, entry));
+			td.appendChild(entry);
+			
+			if (valueString)
+				entry.value = valueString;
+		} else if (valueString) {
+			if (this.unit)
+				valueString = valueString + this.unit;
+		
+			var text = this.createTextNode(valueString);
+			td.appendChild(text);
+		}
+
+		return td;
+	}
+	
+	,inputChanged: function(tr, entry) {
+		this.changed(tr, parseInt(entry.value));
+	}
+});
diff --git a/js/htk/columns/spin/style.scss b/js/htk/columns/spin/style.scss
new file mode 100644
index 00000000..33603fb3
--- /dev/null
+++ b/js/htk/columns/spin/style.scss
@@ -0,0 +1,8 @@
+
+th.cell-spin {
+	text-align: right;
+}
+td.cell-spin {
+	width: 2.5em;
+	text-align: right;
+}
diff --git a/js/htk/columns/text/index.js b/js/htk/columns/text/index.js
new file mode 100644
index 00000000..749823c1
--- /dev/null
+++ b/js/htk/columns/text/index.js
@@ -0,0 +1,50 @@
+
+module.exports = new Class({
+	Extends: Htk.Column
+	,Tag: 'htk-column-text'
+	,Properties: {
+		/**
+		 * Format that applies to the value.
+		 */
+		format:{
+			type: String
+			,set: function(x) {
+				this._format = _(x);
+			}
+			,get: function() {
+				return this._format;
+			}
+		}
+	}
+	
+	,_format: null
+
+	,initialize: function(props) {
+		this._cssClass = 'cell-text';
+		Htk.Column.prototype.initialize.call(this, props);
+	}
+
+	,render: function(tr) {
+		var node;
+	
+		if (this.editable) {
+			var value = this.value ? this.value : '';
+
+			node = this.createElement('input');
+			node.type = 'text';
+			node.value = value;
+			node.addEventListener('changed',
+				this.inputChanged.bind(this, tr, node));
+		} else
+			node = this.createTextNode(
+				Vn.Value.format(this.value, this._format));
+
+		var td = Htk.Column.prototype.render.call(this, tr);
+		td.appendChild(node);
+		return td;
+	}
+	
+	,inputChanged: function(tr, node) {
+		this.changed(tr, node.value);
+	}
+});
diff --git a/js/htk/component.js b/js/htk/component.js
deleted file mode 100644
index 9f6465fb..00000000
--- a/js/htk/component.js
+++ /dev/null
@@ -1,49 +0,0 @@
-
-var Widget = require ('./widget');
-
-module.exports = new Class
-({
-	Extends: Widget
-
-	,builder: null
-	
-	,builderInit: function (path)
-	{
-		var builder = new Vn.Builder ();
-		builder.signalData = this;
-		builder.loadXml (path, this.doc);
-		this.builderResultInit (builder);
-	}
-	
-	,builderInitString: function (xmlString)
-	{
-		var builder = new Vn.Builder ();
-		builder.signalData = this;
-		builder.loadFromString (xmlString, this.doc);
-		this.builderResultInit (builder);
-	}
-	
-	,builderResultInit: function (builder)
-	{
-		var res = this.builder = builder.load ();
-		this._node = res.$('main');
-		res.link ();
-	}
-
-	,$: function (id)
-	{
-		if (this.builder)
-			return this.builder.getById (id);
-			
-		return null;
-	}
-
-	,_destroy: function ()
-	{
-		if (this.builder)
-			this.builder.unref ();
-
-		this.parent ();
-	}
-});
-
diff --git a/js/htk/date-chooser/index.js b/js/htk/date-chooser/index.js
new file mode 100644
index 00000000..6c323504
--- /dev/null
+++ b/js/htk/date-chooser/index.js
@@ -0,0 +1,73 @@
+require('./style.scss');
+var Calendar = require('../calendar');
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-date-chooser'
+
+	,format: _('%a, %e %b %Y')
+	,calendar: null
+	,ignoreCalendarChange: false
+	
+	,render: function() {
+		const node = this.createRoot('button');
+		node.classList.add('input');
+		node.addEventListener('click', this._onClick.bind(this));
+
+		this.label = this.createElement('span');
+		node.appendChild(this.label);
+
+		const dropDown = new Htk.Icon({
+			name: 'expand_more'
+		});
+		node.appendChild(dropDown.node);
+
+		this.setEditable(this._editable);
+	}
+
+	,putValue: function(value) {
+		var dateString;
+
+		if (value instanceof Date)
+			dateString = Vn.Date.strftime(value, this.format);
+		else
+			dateString = '';
+
+		Vn.Node.setText(this.label, dateString);
+	}
+
+	,setEditable: function(editable) {
+		if (this.calendar) {		
+			this.calendar.disconnectByInstance(this);
+			this.calendar = null;
+		}
+		if (editable) {
+			this.calendar = new Calendar();
+			this.calendar.on('changed', this._onCalendarChange.bind(this));
+			
+			this.popup = new Htk.Popup();
+			this.popup.child = this.calendar;
+		}
+	}
+
+	,_onCalendarChange: function(calendar) {
+		if (this.ignoreCalendarChange)
+			return;
+	
+		this.popup.hide();
+		
+		var newDate = calendar.value;
+		this.putValue(newDate);
+		this.valueChanged(newDate);
+	}
+
+	,_onClick: function() {
+		this.ignoreCalendarChange = true;
+		this.calendar.value = this._value;
+		this.calendar.goToSelectedMonth();
+		this.ignoreCalendarChange = false;
+
+		this.popup.show(this.node);
+	}
+});
+
diff --git a/js/htk/date-chooser/style.scss b/js/htk/date-chooser/style.scss
new file mode 100644
index 00000000..5a464056
--- /dev/null
+++ b/js/htk/date-chooser/style.scss
@@ -0,0 +1,17 @@
+
+.htk-date-chooser {
+	display: flex;
+	align-items: center;
+	font-weight: normal;
+
+	& > span {
+		flex: 1;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+		overflow: hidden;
+	}
+	& > .htk-icon {
+		flex: none;
+		color: #666;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/dialog.js b/js/htk/dialog/index.js
similarity index 93%
rename from js/htk/dialog.js
rename to js/htk/dialog/index.js
index 5b74cdc7..5ac11fd2 100644
--- a/js/htk/dialog.js
+++ b/js/htk/dialog/index.js
@@ -1,9 +1,9 @@
-
-var Popup = require('./popup');
+require('./style.scss');
+var Popup = require('../popup');
 
 /**
  * Class to show message dialogs with buttons.
- **/
+ */
 var Dialog = new Class();
 module.exports = Dialog;
 
@@ -53,7 +53,7 @@ Dialog.implement({
 	{
 		/**
 		 * The message displayed to the user.
-		 **/
+		 */
 		message:
 		{ 
 			type: String
@@ -66,7 +66,7 @@ Dialog.implement({
 		}
 		/**
 		 * The dialog icon.
-		 **/
+		 */
 		,icon:
 		{ 
 			type: String
@@ -79,7 +79,7 @@ Dialog.implement({
 		}
 		/**
 		 * The dialog buttons.
-		 **/
+		 */
 		,buttons:
 		{
 			enumType: Button
@@ -97,7 +97,7 @@ Dialog.implement({
 	,_buttons: Button.ACCEPT
 	
 	,open: function() {
-		this.parent();
+		Popup.prototype.open.call(this);
 	
 		// Dialog body
 
@@ -146,8 +146,8 @@ Dialog.implement({
 
 	,hide(response) {
 		if (!this._isOpen) return;
-		this.parent();
-		this.signalEmit('response', response);
+		Popup.prototype.hide.call(this);
+		this.emit('response', response);
 	}
 	
 	,createButton: function(label, response) {
diff --git a/js/htk/dialog/style.scss b/js/htk/dialog/style.scss
new file mode 100644
index 00000000..e2073089
--- /dev/null
+++ b/js/htk/dialog/style.scss
@@ -0,0 +1,25 @@
+
+.htk-dialog {
+	padding: 1.5em;
+	max-width: 20em;
+	font-weight: normal;
+	color: #555;
+
+	p {
+		margin: 0;
+	}
+	img {
+		float: left;
+		height: 3em;
+		margin-top: 0;
+		margin-right: 1em;
+	}
+	p {
+		padding: 0;
+	}
+	.button-bar > button {
+		float: right;
+		margin-left: 1em;
+		margin-top: .5em;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/entry/index.js b/js/htk/entry/index.js
new file mode 100644
index 00000000..fed77876
--- /dev/null
+++ b/js/htk/entry/index.js
@@ -0,0 +1,74 @@
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-entry'
+	,Properties: {
+		/**
+		 * Displayed text when there is no content.
+		 */
+		placeholder:
+		{ 
+			type: String
+			,set: function(x) {
+				this.node.placeholder = x;
+			}
+			,get: function() {
+				return this.node.placeholder;
+			}
+		},
+		/**
+		 * Whether is disabled.
+		 */
+		disabled:
+		{ 
+			type: Boolean
+			,set: function(x) {
+				this.node.disabled = x;
+			}
+			,get: function() {
+				return this.node.disabled;
+			}
+		},
+		/**
+		 * Whether is readonly data.
+		 */
+		 readonly:
+		{ 
+			type: Boolean
+			,set: function(x) {
+				this.node.readonly = x;
+			}
+			,get: function() {
+				return this.node.readonly;
+			}
+		}
+	}
+	
+	,render: function() {
+		var node = this.createRoot('input');
+		node.type = 'text';
+		node.addEventListener('change', this._onChange.bind(this));
+	}
+
+	,_onChange: function() {
+		var newValue;
+	
+		if (this.node.value == '')
+			newValue = null;
+		else
+			newValue = this.node.value;
+
+		this.valueChanged(newValue);
+	}
+
+	,putValue: function(value) {
+		if (!value)
+			this.node.value = '';
+		else
+			this.node.value = value;
+	}
+
+	,setEditable: function(editable) {
+		this.node.readOnly = !editable;
+	}
+});
diff --git a/js/htk/field/bar-button.js b/js/htk/field/bar-button.js
deleted file mode 100644
index e3554136..00000000
--- a/js/htk/field/bar-button.js
+++ /dev/null
@@ -1,22 +0,0 @@
-
-var Button = require ('./button');
-
-module.exports = new Class
-({
-	Extends: Button
-	,Tag: 'htk-bar-button'
-	,Properties:
-	{
-		icon:
-		{
-			type: String
-			,set: function (x)
-			{
-				this.img.src = 'image/icon/dark/'+ x +'.svg';
-			}
-			
-		}
-	}
-	
-	,_showText: true
-});
diff --git a/js/htk/field/button.js b/js/htk/field/button.js
deleted file mode 100644
index 5eb89c3d..00000000
--- a/js/htk/field/button.js
+++ /dev/null
@@ -1,86 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-button'
-	,Properties:
-	{
-		image:
-		{
-			type: String
-			,set: function (x)
-			{
-				this.img.src = x;
-			}
-		},
-		icon:
-		{
-			type: String
-			,set: function (x)
-			{
-				this.img.src = 'image/icon/light/'+ x +'.svg';
-			}
-		},
-		tip:
-		{
-			type: String
-			,set: function (x)
-			{
-				if (x)
-				{
-					this.node.title = _(x);
-					this.img.title = _(x);
-				}
-				
-				this.renderContent ();
-			}
-			,get: function ()
-			{
-				return this.node.title;
-			}
-		},
-		showText:
-		{
-			type: Boolean
-			,set: function (x)
-			{					
-				this._showText = x;
-				this.renderContent ();
-			}
-			,get: function ()
-			{
-				return this._showText;
-			}
-		}
-	}
-	
-	,_showText: false
-	
-	,render: function ()
-	{
-		var node = this.createRoot ('button');
-		node.className = 'htk-button';
-		node.addEventListener ('click', this.onClick.bind (this));
-	
-		this.img = this.createElement ('img');
-		node.appendChild (this.img);
-	}
-	
-	,renderContent: function ()
-	{
-		if (this._textNode)
-			Vn.Node.remove (this._textNode);
-
-		if (this._showText && this.node.title)
-		{
-			this._textNode = this.createElement ('span');
-			this._textNode.appendChild (this.createTextNode (this.node.title));
-			this.node.appendChild (this._textNode);
-		}
-	}
-
-	,onClick: function ()
-	{
-		this.signalEmit ('click', this._form);
-	}
-});
diff --git a/js/htk/field/check.js b/js/htk/field/check.js
deleted file mode 100644
index 2cfc9b5e..00000000
--- a/js/htk/field/check.js
+++ /dev/null
@@ -1,31 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-check'
-
-	,render: function ()
-	{
-		var node = this.createRoot ('input');
-		node.type = 'checkbox';
-		node.addEventListener ('change', this.changed.bind (this));
-	}
-
-	,changed: function ()
-	{
-		this.valueChanged (this.node.checked);
-	}
-
-	,putValue: function (value)
-	{
-		if (value)
-			this.node.checked = true;
-		else
-			this.node.checked = false;
-	}
-
-	,setEditable: function (editable)
-	{
-		this.node.disabled = !editable;
-	}
-});
diff --git a/js/htk/field/date-chooser.js b/js/htk/field/date-chooser.js
deleted file mode 100644
index 275bb793..00000000
--- a/js/htk/field/date-chooser.js
+++ /dev/null
@@ -1,89 +0,0 @@
-
-var Calendar = require ('./calendar');
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-date-chooser'
-
-	,format: _('%a, %e %b %Y')
-	,calendar: null
-	,ignoreCalendarChange: false
-	
-	,render: function ()
-	{
-		var node = this.createRoot ('div');
-		node.className = 'htk-date-chooser';
-		
-		this.label = this.createElement ('span');
-		this.node.appendChild (this.label);
-
-		this.setEditable (this._editable);
-	}
-
-	,putValue: function (value)
-	{
-		var dateString;
-
-		if (value instanceof Date)
-			dateString = Vn.Date.strftime (value, this.format);
-		else
-			dateString = '';
-
-		Vn.Node.setText (this.label, dateString);
-	}
-
-	,setEditable: function (editable)
-	{
-		Vn.Node.remove (this.label);
-		
-		if (this.calendar)
-		{
-			this.node.removeChild (this.button);
-		
-			this.calendar.disconnectByInstance (this);
-			this.calendar = null;
-		}
-
-		if (editable && !this.calendar)
-		{
-			this.button = this.createElement ('button');
-			this.button.className = 'input';
-			this.button.title = _('ChangeDate');
-			this.button.addEventListener ('click', this._onClick.bind (this));
-			this.button.appendChild (this.label);
-			this.node.appendChild (this.button);
-		
-			this.calendar = new Calendar ();
-			this.calendar.on ('changed', this._onCalendarChange.bind (this));
-			
-			this.popup = new Htk.Popup ();
-			this.popup.child = this.calendar;
-		}
-		else if (!editable)
-			this.node.appendChild (this.label);
-	}
-
-	,_onCalendarChange: function (calendar)
-	{
-		if (this.ignoreCalendarChange)
-			return;
-	
-		this.popup.hide ();
-		
-		var newDate = calendar.value;
-		this.putValue (newDate);
-		this.valueChanged (newDate);
-	}
-
-	,_onClick: function (event)
-	{
-		this.ignoreCalendarChange = true;
-		this.calendar.value = this._value;
-		this.calendar.goToSelectedMonth ();
-		this.ignoreCalendarChange = false;
-
-		this.popup.show (this.button);
-	}
-});
-
diff --git a/js/htk/field/entry.js b/js/htk/field/entry.js
deleted file mode 100644
index a6970f3a..00000000
--- a/js/htk/field/entry.js
+++ /dev/null
@@ -1,38 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-entry'
-	
-	,render: function ()
-	{
-		var node = this.createRoot ('input');
-		node.type = 'text';
-		node.addEventListener ('change', this._onChange.bind (this));
-	}
-
-	,_onChange: function (event)
-	{
-		var newValue;
-	
-		if (this.node.value == '')
-			newValue = null;
-		else
-			newValue = this.node.value;
-
-		this.valueChanged (newValue);
-	}
-
-	,putValue: function (value)
-	{
-		if (!value)
-			this.node.value = '';
-		else
-			this.node.value = value;
-	}
-
-	,setEditable: function (editable)
-	{
-		this.node.readOnly = !editable;
-	}
-});
diff --git a/js/htk/field.js b/js/htk/field/index.js
similarity index 52%
rename from js/htk/field.js
rename to js/htk/field/index.js
index c022f4cb..aae49706 100644
--- a/js/htk/field.js
+++ b/js/htk/field/index.js
@@ -1,12 +1,12 @@
 
-var Widget = require('./widget');
+var Component = require('vn/component');
 
 module.exports = new Class({
-	Extends: Widget
+	Extends: Component
+	,Implements: Vn.ParamIface
 	,Tag: 'htk-field'
 	,Child: 'param'
-	,Properties:
-	{
+	,Properties: {
 		value: {
 			type: String
 			,set: function(x) {
@@ -18,21 +18,57 @@ module.exports = new Class({
 
 				this.valueChanged(x);
 				this.putValue(x);
+				this._notifyChanges();
 			}
-			,get: function(x) {
+			,get: function() {
 				return this._value;
 			}
 		},
 		param: {
-			type: Vn.Param
+			type: Vn.ParamIface
 			,set: function(x) {
-				this.link({_param: x}, {'changed': this.onParamChange});
-				this.onParamChange();
+				this._setParam(x);
 			}
 			,get: function() {
 				return this._param;
 			}
 		},
+		lot: {
+			type: Vn.LotIface
+			,set: function(x) {
+				this._setLot(x);
+			}
+			,get: function() {
+				return this._lot;
+			}
+		},
+		name: {
+			type: String
+			,set: function(x) {
+				this._setName(x);
+			}
+			,get: function() {
+				return this._name;
+			}
+		},
+		oneWay: {
+			type: Boolean
+			,set: function(x) {
+				this._oneWay = x;
+			}
+			,get: function() {
+				return this._oneWay;
+			}
+		},
+		oneTime: {
+			type: Boolean
+			,set: function(x) {
+				this._oneTime = x;
+			}
+			,get: function() {
+				return this._oneTime;
+			}
+		},
 		editable: {
 			type: Boolean
 			,set: function(x) {
@@ -48,21 +84,19 @@ module.exports = new Class({
 		form: {
 			type: Db.Iterator
 			,set: function(x) {
-				this._form = x;
-				this.bindToForm();
+				this.lot = x;
 			}
 			,get: function() {
-				return this._form;
+				return this._lot;
 			}
 		},
 		column: {
 			type: String
 			,set: function(x) {
-				this._paramName = x;
-				this.bindToForm();
+				this.name = x;
 			}
 			,get: function() {
-				return this._paramName;
+				return this._name;
 			}
 		},
 		conditionalFunc: {
@@ -71,27 +105,24 @@ module.exports = new Class({
 		}
 	}
 
-	,_value: undefined
-	,_param: null
 	,_editable: true
-	,_blockParamChange: false
-	,_blockValueChange: false
+	,_lockField: false
 
-	,onParamChange: function() {
-		if (!this._blockValueChange) {
-			this._blockParamChange = true;
-			this.value = this._param.value;
-			this._blockParamChange = false;
-		}
-	}
-	
-	,bindToForm: function() {
-		if (this._form && this._paramName)
-			this.param = new Db.Param
-			({
-				 form: this._form
-				,column: this._paramName
-			});
+	,_setValue: function(newValue) {
+		if (!this._putValue(newValue))
+			return;
+
+		if (!this._lockField)
+			this.putValue(newValue);
+
+		if (this.conditionalFunc)
+			this.conditionalFunc(this, newValue);
+
+		const node = this.node;
+		if (node && node.nodeType === Node.ELEMENT_NODE)
+			node.classList.toggle('filled', newValue !== undefined);
+
+		this._notifyChanges();
 	}
 
 	/**
@@ -99,36 +130,27 @@ module.exports = new Class({
 	 * editable.
 	 *
 	 * @param {Boolean} editable Whether the user is allowed to edit the entry
-	 **/
-	,setEditable: function(editable) {}
+	 */
+	,setEditable: function() {}
 
 	/**
 	 * Virtual method that must be implemented by class childs to put the value
 	 * on the associated entry.
 	 *
 	 * @param {Object} value The new value for the entry
-	 **/
-	,putValue: function(value) {}
+	 */
+	,putValue: function() {}
 
 	/**
 	 * Protected method that should be called from class childs when the value
 	 * on the associated entry changes.
 	 *
 	 * @param {Object} value The new entry value
-	 **/
+	 */
 	,valueChanged: function(value) {
-		this._value = value;
-		
-		if (this.conditionalFunc)
-			this.conditionalFunc(this, value);
-	
-		if (this._param && !this._blockParamChange) {
-			this._blockValueChange = true;
-			this._param.value = value;
-			this._blockValueChange = false;
-		}
-		
-		this.signalEmit('changed');
+		this._lockField = true;
+		this._setValue(value);
+		this._lockField = false;
 	}
 });
 
diff --git a/js/htk/field/radio.js b/js/htk/field/radio.js
deleted file mode 100644
index 103aec58..00000000
--- a/js/htk/field/radio.js
+++ /dev/null
@@ -1,75 +0,0 @@
-
-var RadioGroup = require ('./radio-group');
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-radio'
-	,Properties:
-	{
-		tip:
-		{
-			type: String
-			,set: function (x)
-			{
-				if (x)
-					this.node.title = _(x);
-			}
-		},
-		radioGroup:
-		{
-			type: RadioGroup
-			,set: function (x)
-			{
-				if (this._radioGroup)
-					this._radioGroup.removeButton (this);
-
-				this.link ({_radioGroup: x}, {'changed': this._onRadioGroupChange});
-				this.node.name = x.name;
-				x.buttons.push(this);
-				this._onRadioGroupChange ();
-			}
-			,get: function ()
-			{
-				return this._radioGroup;
-			}
-		}
-	}
-	
-	,_radioGroup: null
-
-	,render: function ()
-	{
-		var radio = Vn.Browser.createRadio ('', this.doc);
-		radio.checked = false;
-		radio.addEventListener ('change', this._onChange.bind (this));
-		this._node = radio;
-	}
-
-	,_onChange: function ()
-	{
-		if (this.node.checked && this._radioGroup)
-			this._radioGroup.value = this.value;
-	}
-	
-	,_onRadioGroupChange: function ()
-	{
-		if (this._radioGroup.value && this._radioGroup.value == this.value)
-			this.node.checked = true;
-		else
-			this.node.checked = false;
-	}
-
-	,putValue: function (value)
-	{
-		if (!value)
-			this.node.value = '';
-		else
-			this.node.value = value;
-	}
-
-	,setEditable: function (editable)
-	{
-		this.node.disabled = !editable;
-	}
-});
diff --git a/js/htk/field/select.js b/js/htk/field/select.js
deleted file mode 100644
index 2ffa6788..00000000
--- a/js/htk/field/select.js
+++ /dev/null
@@ -1,263 +0,0 @@
-
-var ColumnText = require ('../column/text');
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Implements: Db.Iterator
-	,Tag: 'htk-combo'
-	,Properties:
-	{
-		/**
-		 * The model associated to this form.
-		 **/
-		model:
-		{ 
-			type: Db.Model
-			,set: function (x)
-			{
-				this.link ({_model: x}, {'status-changed-after': this._onModelChange});
-				this._onModelChange ();
-			}
-			,get: function ()
-			{
-				return this._model;
-			}
-		},
-		/**
-		 * The row where the form positioned, has -1 if the row is unselected.
-		 **/
-		row:
-		{ 
-			type: Number
-			,set: function (x)
-			{
-				if (!this._model || this._model.numRows <= x || x < -1)
-					x = -1;
-				if (x == this._row)
-					return;
-
-				this._row = x;
-				this.iterChanged ();
-			}
-			,get: function ()
-			{
-				return this._row;
-			}
-		},
-		/**
-		 * The number of rows in the form.
-		 **/
-		numRows:
-		{
-			type: Number
-			,get: function ()
-			{
-				if (this._model)
-					return this._model.numRows;
-
-				return 0;
-			}
-		},
-		/**
-		 * Checks if the form data is ready.
-		 **/
-		ready:
-		{
-			type: Boolean
-			,get: function ()
-			{
-				return this._model && this._model.ready;
-			}
-		},
-		/**
-		 * Checks if the form data is ready.
-		 **/
-		placeholder:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._placeholder = x;
-				this._refreshShowText (x);
-			}
-			,get: function ()
-			{
-				return this._placeholder;
-			}
-		},
-		/**
-		 * Wether to allow null values.
-		 **/
-		notNull:
-		{
-			type: Boolean
-			,set: function (x)
-			{
-				this._notNull = x;
-			}
-			,get: function ()
-			{
-				return this._notNull;
-			}
-		}
-	}
-	
-	,_row: -1
-	,_model: null
-	,valueColumnIndex: 0
-	,valueColumnName: null
-	,showColumnIndex: 1
-	,showColumnName: null
-	,_notNull: true
-	,_webkitRefresh: false
-
-	,render: function ()
-	{
-		var button = this.createRoot ('button');
-		button.type = 'button';
-		button.className = 'htk-select input';
-		button.addEventListener ('mousedown', this._onButtonMouseDown.bind (this));
-	}
-
-	,on: function (id, callback, instance)
-	{
-		switch (id)
-		{
-			case 'click':
-			case 'mousedown':
-			case 'focusout':
-				this.node.addEventListener (id,
-					callback.bind (instance, this));
-				break;
-			default:
-				this.parent (id, callback, instance);
-		}
-	}
-	
-	,_setRow: function (row)
-	{
-		this._row = row;
-		this._refreshShowText ();
-		this.iterChanged ();
-	}
-	
-	,_onButtonMouseDown: function (e)
-	{
-		if (this._popup)
-		{
-			this._popup.hide ();
-			return;
-		}
-	
-		var model = this._model;
-
-		var menu = this.createElement ('div');
-		menu.className = 'htk-select-menu';
-		
-		var grid = new Htk.Grid ({showHeader: false});
-		menu.appendChild (grid.node);
-		
-		var gridNode = grid.node;
-		gridNode.addEventListener ('click', this._onGridClicked.bind (this, grid));
-		
-		var column = new ColumnText ({columnIndex: this.showColumnIndex});
-		grid.appendColumn (column);
-		grid.model = model;
-		
-		var popup = this._popup = new Htk.Popup ({childNode: menu});
-		popup.on ('closed', this._onPopupClose.bind (this));
-		popup.show (this.node);
-
-		this.signalEmit ('menu-show');
-		
-		e.stopPropagation ();
-	}
-	
-	,_onGridClicked: function (grid, e)
-	{
-		var target = e.target;
-		var parentNode = target.parentNode;
-		
-		while (parentNode !== grid.tbody)
-		{
-			target = parentNode;
-			parentNode = parentNode.parentNode;
-		}
-
-		var value;
-		var row = target.rowIndex - 1;
-
-		if (row >= 0)
-			value = this._model.getByIndex (row, this.valueColumnIndex);
-		else
-			value = null;
-
-		this._setRow (row);
-		this.valueChanged (value);
-		this._popup.hide ();
-		
-		e.stopPropagation ();
-	}
-	
-	,_onPopupClose: function ()
-	{
-		this._popup = null;
-		this.signalEmit ('menu-hide');
-	}
-	
-	,_refreshShowText: function ()
-	{
-		var model = this._model;
-	
-		if (this._row !== -1)
-			var showText = model.getByIndex (this._row, this.showColumnIndex);
-		else if (model && model.status === Db.Model.Status.LOADING)
-			var showText = _('Loading...');
-		else if (this._placeholder)
-			var showText = this._placeholder;
-		else
-			var showText = '';
-
-		Vn.Node.setText (this.node, showText);
-	}
-	
-	,_onModelChange: function ()
-	{
-		var model = this._model;
-		this.signalEmit ('status-changed');
-		
-		if (this._popup)
-			this._popup.reset ();
-
-		if (model && model.ready)
-		{
-			this._selectOption ();
-			this.signalEmit ('ready');
-		}
-		else
-			this._setRow (-1);
-	}
-	
-	,setEditable: function (editable)
-	{
-		this.node.disabled = !editable;
-	}
-
-	,_selectOption: function ()
-	{
-		var row;
-	
-		if (this._model && this._model.ready)
-			row = this._model.searchByIndex (this.valueColumnIndex, this._value);
-		else
-			row = -1;
-
-		this._setRow (row);
-	}
-
-	,putValue: function (value)
-	{
-		this._selectOption ();
-	}
-});
diff --git a/js/htk/field/spin.js b/js/htk/field/spin.js
deleted file mode 100644
index 102aff33..00000000
--- a/js/htk/field/spin.js
+++ /dev/null
@@ -1,46 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-spin'
-
-	,render: function ()
-	{
-		var input = this.createRoot ('input');
-		//setInputTypeNumber (input);
-		this.node.type = 'number';
-		input.addEventListener ('change', this._onChange.bind (this));
-
-		this.unit = null;
-		this.digits = 0;
-	}
-
-	,_onChange: function ()
-	{
-		var newValue = (this.node.value == '') ? null : parseFloat (this.node.value);
-		this.node.value = newValue;
-		this.valueChanged (newValue);
-	}
-
-	,putValue: function (value)
-	{
-		var text;
-		
-		if (value != null)
-		{
-			text = (new Number (value)).toFixed (this.digits);
-		
-			if (this.unit != null)
-				text += ' ' + this.unit;
-		}
-		else
-			text = '';
-	
-		this.node.value = text;
-	}
-
-	,setEditable: function (editable)
-	{
-		this.node.readOnly = !editable;
-	}
-});
diff --git a/js/htk/field/table.js b/js/htk/field/table.js
deleted file mode 100644
index b1b39464..00000000
--- a/js/htk/field/table.js
+++ /dev/null
@@ -1,58 +0,0 @@
-
-var Entry = require ('./entry');
-var ColumnRadio = require ('../column/radio');
-
-module.exports = new Class
-({
-	Extends: Entry
-	,Tag: 'htk-table'
-
-	,render: function ()
-	{
-		var tv = new Htk.TreeView ();
-		this.node.appendChild (tv.node);
-		
-		var renderer = new ColumnRadio ();
-		tv.appendColumn (0, renderer, '');
-		
-		var rbGroup = renderer.rbGroup;
-		rbGroup.addSignal ('changed', this.changed, this);
-
-		this.treeview = tv;
-		this.rbGroup = rbGroup;
-	}
-
-	,setModel: function (model)
-	{
-		this.treeview.setModel (model);
-		model.addSignal ('status-changed', this.modelRefresh, this);
-		this.selectValue ();
-	}
-
-	,changed: function (rbGroup)
-	{
-		this.realValue = this.rbGroup.getValue ();
-		this.signalEmit ('changed');
-	}
-
-	,selectValue: function ()
-	{
-		this.rbGroup.setValue (this.realValue);
-	}
-
-	,setRealValue: function ()
-	{
-		this.selectValue ();
-	}
-
-	,modelRefresh: function (model, status)
-	{
-		if (status == Db.Model.Status.READY)
-			this.selectValue ();
-	}
-
-	,setEditable: function (editable)
-	{
-		this.rbGroup.setEditable (editable);
-	}
-});
diff --git a/js/htk/field/text-area.js b/js/htk/field/text-area.js
deleted file mode 100644
index f375d7c6..00000000
--- a/js/htk/field/text-area.js
+++ /dev/null
@@ -1,37 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Htk.Field
-	,Tag: 'htk-textarea'
-	
-	,render: function ()
-	{
-		var node = this.createRoot ('textarea');
-		node.addEventListener ('change', this.changed.bind (this));
-	}
-
-	,changed: function (event)
-	{
-		var value;
-	
-		if (this.node.value == '')
-			value = null;
-		else
-			value = this.node.value;
-
-		this.valueChanged (value);
-	}
-
-	,setEditable: function (editable)
-	{
-		this.node.readOnly = !editable;
-	}
-
-	,putValue: function (value)
-	{
-		if (!value)
-			this.node.value = '';
-		else
-			this.node.value = value;
-	}
-});
diff --git a/js/htk/full-image.js b/js/htk/full-image.js
deleted file mode 100644
index 3492f2c3..00000000
--- a/js/htk/full-image.js
+++ /dev/null
@@ -1,89 +0,0 @@
-
-var Popup = require ('./popup');
-var Spinner = require ('./spinner');
-
-module.exports = new Class
-({
-	Extends: Vn.Object
-	,Properties:
-	{
-		/**
-		 * Subdirectory where full images are allocated.
-		 **/
-		fullDir:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._fullDir = x;
-			}
-			,get: function ()
-			{
-				return this._fullDir;
-			}
-		}
-	}
-
-	,show: function (src)
-	{
-		var popup = new Popup ({class: 'htk-full-image', modal: true});
-
-		var img = document.createElement ('img');
-		img.className = 'htk-full-image';
-		img.addEventListener ('click', this._onImageClick.bind (this, popup));
-		//img.addEventListener ('error', this._onImageError.bind (this, popup));
-		img.src = src;
-		
-		if (!img.complete)
-		{
-			img.addEventListener ('load', this._onImageLoad.bind (this, popup, img));
-
-			var spinner = new Spinner ();
-			spinner.start ();
-			popup.child = spinner;
-		}
-		else
-			this._onImageLoad (popup, img);
-		
-		popup.open ();
-	}
-	
-	,_onImageLoad: function (popup, img)
-	{
-		var scale = null;
-		var width = img.width;
-		var height = img.height;
-		var innerWidth = Vn.Browser.getInnerWidth () - 50;
-		var innerHeight = Vn.Browser.getInnerHeight () - 50;
-	
-		if (width > innerWidth)
-		{
-			scale = width / innerWidth;
-			height = parseInt (height / scale);
-			width = innerWidth;
-		}
-		if (height > innerHeight)
-		{
-			scale = height / innerHeight;
-			width = parseInt (width / scale);
-			height = innerHeight;
-		}
-
-		if (scale !== null)
-		{
-			img.style.width = width +'px';
-			img.style.height = height +'px';
-		}
-		
-		popup.childNode = img;
-		popup.reset ();
-	}
-	
-	,_onImageClick: function (popup)
-	{
-		popup.hide ();
-	}
-
-	,_onImageError: function (popup) {}
-});
-
diff --git a/js/htk/full-image/index.js b/js/htk/full-image/index.js
new file mode 100644
index 00000000..cea3810e
--- /dev/null
+++ b/js/htk/full-image/index.js
@@ -0,0 +1,79 @@
+require('./style.scss');
+var Popup = require('../popup');
+var Spinner = require('../spinner');
+
+module.exports = new Class
+({
+	Extends: Vn.Object
+	,Properties:
+	{
+		/**
+		 * Subdirectory where full images are allocated.
+		 */
+		fullDir:
+		{
+			type: String
+			,set: function(x) {
+				this._fullDir = x;
+			}
+			,get: function() {
+				return this._fullDir;
+			}
+		}
+	}
+
+	,show: function(src) {
+		var popup = new Popup({class: 'htk-full-image', modal: true});
+
+		var img = document.createElement('img');
+		img.className = 'htk-full-image';
+		img.addEventListener('click', this._onImageClick.bind(this, popup));
+		//img.addEventListener ('error', this._onImageError.bind (this, popup));
+		img.src = src;
+		
+		if (!img.complete) {
+			img.addEventListener('load', this._onImageLoad.bind(this, popup, img));
+
+			var spinner = new Spinner();
+			spinner.start();
+			popup.child = spinner;
+		} else
+			this._onImageLoad(popup, img);
+		
+		popup.open();
+	}
+	
+	,_onImageLoad: function(popup, img) {
+		var scale = null;
+		var width = img.width;
+		var height = img.height;
+		var innerWidth = Vn.Browser.getInnerWidth() - 50;
+		var innerHeight = Vn.Browser.getInnerHeight() - 50;
+	
+		if (width > innerWidth) {
+			scale = width / innerWidth;
+			height = parseInt(height / scale);
+			width = innerWidth;
+		}
+		if (height > innerHeight) {
+			scale = height / innerHeight;
+			width = parseInt(width / scale);
+			height = innerHeight;
+		}
+
+		if (scale !== null) {
+			img.style.width = width +'px';
+			img.style.height = height +'px';
+		}
+		
+		popup.childNode = img;
+		popup.reset();
+	}
+	
+	,_onImageClick: function(popup) {
+		popup.hide();
+	}
+
+	,_onImageError: function(popup) {}
+});
+
diff --git a/js/htk/full-image/style.scss b/js/htk/full-image/style.scss
new file mode 100644
index 00000000..8795818b
--- /dev/null
+++ b/js/htk/full-image/style.scss
@@ -0,0 +1,12 @@
+
+.htk-full-image {
+    img {
+       display: block;
+       cursor: pointer;
+   }
+   .htk-spinner {
+       background-color: #FFF;
+       margin: .6em;
+       display: block;
+   }
+}
diff --git a/js/htk/grid.js b/js/htk/grid.js
deleted file mode 100644
index 9964ddf4..00000000
--- a/js/htk/grid.js
+++ /dev/null
@@ -1,402 +0,0 @@
-
-var Widget = require ('./widget');
-
-module.exports = new Class
-({
-	Extends: Widget
-	,Tag: 'htk-grid'
-	,Child: 'model'
-	,Properties:
-	{
-		/**
-		 * The source data model.
-		 **/
-		model:
-		{
-			type: Db.Model
-			,set: function (x)
-			{
-				this.link ({_model: x},
-				{
-					 'status-changed': this.onModelChange
-					,'row-deleted': this.onRowDelete
-					,'row-updated': this.onRowUpdate
-					,'row-inserted': this.onRowInsert
-					,'updatable-changed': this.onUpdatableChange
-				});
-
-				var set = new Db.SimpleIterator ({model: x});
-				this.link ({_set: set});
-				
-				this.onUpdatableChange ();
-				this.onModelChange ();
-			}
-			,get: function ()
-			{
-				return this._model;
-			}
-		},
-		/**
-		 * Message that should be displayed when source model is not ready.
-		 **/
-		emptyMessage:
-		{
-			type: String
-			,value: null
-		},
-		/**
-		 * Wether to display the header with column titles.
-		 **/
-		showHeader:
-		{
-			type: Boolean
-			,set: function (x)
-			{
-				this._showHeader = x;
-				this.thead.style.display = x ? 'table-header-group' : 'none';
-			}
-			,get: function ()
-			{
-				return this._showHeader;
-			}
-		}
-	}
-
-	,_model: null
-	,_set: null
-	,columns: new Array ()
-	,internalColumn: null
-	,internalColumns: 0
-	,sortColumn: -1
-	,sortWay: null
-	,_showHeader: true
-	
-	,render: function ()
-	{
-		var table = this.createRoot ('table');
-		table.className = 'htk-grid';
-
-		var thead = this.createElement ('thead');
-		table.appendChild (thead);
-		
-		this.thead = this.createElement ('tr')
-		thead.appendChild (this.thead);
-		
-		this.tbody = this.createElement ('tbody');
-		table.appendChild (this.tbody);
-	}
-	
-	,appendChild: function (child)
-	{
-		this.appendColumn (child);
-	}
-
-	,removeClicked: function (column, value, row)
-	{
-		if (confirm (_('ReallyDelete')))
-			this._model.deleteRow (row);
-	}
-
-	,onRowDelete: function (model, row)
-	{
-		var tableRows = this.tbody.childNodes;
-		this.tbody.removeChild (tableRows[row]);
-		
-		for (var i = row; i < tableRows.length; i++)
-			tableRows[i].className = (i % 2) ? 'pair-row' : '';
-	
-		this.showNoRecordsFound ();
-	}
-
-	,onRowInsert: function (model)
-	{
-		this.buildRow (1);
-	}
-
-	,renderCell: function (row, column, tr)
-	{
-		if (column.columnIndex != -1)
-			column.value = this._model.data[row][column.columnIndex];
-
-		if (column.renderer)
-		{
-			this._set.row = row;
-			column.renderer (column, this._set);
-		}
-
-		return column.render (tr);
-	}
-	
-	,refreshRow: function (row, columns)
-	{
-		var x = this.columns;
-		var tr = this.tbody.childNodes[row];
-		
-		for (var i = 0; i < x.length; i++)
-		if (x[i].renderer || columns.indexOf (x[i].columnIndex) != -1)
-		{
-			var cell = this.renderCell (row, x[i], tr);
-			tr.replaceChild (cell, tr.childNodes[i]);
-		}
-	}
-
-	,onRowUpdate: function (model, row, columns)
-	{
-		this.refreshRow (row, columns);
-	}
-
-	,buildRow: function (count)
-	{
-		for (var i = 0; i < count; i++)
-		{
-			var tr = this.createElement ('tr');
-		
-			if (i % 2)
-				tr.className = 'pair-row';
-
-			for (var j = 0; j < this.columns.length; j++)
-			{
-				var cell = this.renderCell (i, this.columns[j], tr);
-				tr.appendChild (cell);
-			}
-
-			this.tbody.appendChild (tr);
-		}
-	}
-
-	,onUpdatableChange: function ()
-	{
-		if (this._model && this._model.updatable)
-		{
-			if (!this.internalColumn)
-			{
-				this.internalColumn = new Htk.ColumnButton
-				({
-					 icon: 'delete'
-					,tip: _('Remove')
-				});
-				this.internalColumn.on ('clicked', this.removeClicked, this);
-				this.insertInternalColumn (0, this.internalColumn);
-			}
-		}
-		else if (this.internalColumn)
-		{
-			this.internalColumn = null;
-			this.removeInternalColumn (0);
-		}
-	}
-
-	,onModelChange: function ()
-	{
-		var emptyMessage = this.emptyMessage ?
-			this.emptyMessage : _('NoData');
-	
-		if (!this._model)
-		{
-			this.showMessage (emptyMessage, 'refresh.svg');
-			return;
-		}
-
-		this._node.removeChild (this.tbody);
-		this.tbody = this.createElement ('tbody');
-
-		switch (this._model.status)
-		{
-			case Db.Model.Status.READY:
-			{
-				for (var i = 0; i < this.columns.length; i++)
-					this.columns[i].updateColumnIndex (this._model);
-			
-				this.buildRow (this._model.numRows);
-				this.showNoRecordsFound ();
-				break;
-			}
-			case Db.Model.Status.LOADING:
-				this.showMessage (_('Loading'), null);
-				break;
-			case Db.Model.Status.CLEAN:
-				this.showMessage (emptyMessage, 'refresh');
-				break;
-			case Db.Model.Status.ERROR:
-				this.showMessage (_('ErrorLoadingData'), 'error');
-				break;
-		}
-
-		this._node.appendChild (this.tbody);
-	}
-
-	,showNoRecordsFound: function ()
-	{
-		if (this._model.numRows == 0)
-			this.showMessage (_('EmptyList'), 'clean');
-	}
-
-	,showMessage: function (message, src)
-	{
-		if (this.columns.length == 0)
-			return;
-	
-		var tr =  this.createElement ('tr');
-		this.tbody.appendChild (tr);
-
-		var td = this.createElement ('td');
-		td.className = 'message';
-		td.colSpan = this.columns.length;
-		tr.appendChild (td);
-		
-		if (src)
-		{
-			var img = this.createElement ('img');
-			img.alt = '';
-			img.src = 'image/icon/light/'+ src +'.svg';
-			td.appendChild (img);
-		}
-		else
-		{
-			var spinner = new Htk.Spinner ();
-			spinner.start ();
-			td.appendChild (spinner.node);
-		}
-		
-		var message = this.createTextNode (message);
-		td.appendChild (message);
-	}
-	
-	,scrollToRow: function (row)
-	{
-		if (row >= 0)
-		{
-			var height = parseInt (this.tr.style.height);
-			this.node.scrollTop = (row - 2) * height;
-		
-			if (this.selectedRow)
-				this.selectedRow.style.backgroundColor = null;
-		
-			this.selectedRow = this.tbody.childNodes[row]
-			this.selectedRow.style.backgroundColor = '#AAD';
-		}
-	}
-
-	,sortModel: function (column)
-	{
-		var columnIndex = column.columnIndex;
-
-		if (this._model && columnIndex != -1)
-		{
-			if (this.sortColumn === columnIndex
-			&& this.sortWay === Db.Model.SortWay.ASC)
-				this.sortWay = Db.Model.SortWay.DESC;
-			else
-				this.sortWay = Db.Model.SortWay.ASC;
-
-			this.sortColumn = columnIndex;
-		
-			this._model.sort (columnIndex, this.sortWay);
-		}
-	}
-	
-	,columnChanged: function (column, row, newValue)
-	{
-		var columnIndex = column.columnIndex;
-
-		if (columnIndex != -1)
-			this._model.setByIndex (row, columnIndex, newValue);
-	}
-	
-	,addColumn: function (pos, column)
-	{
-		var header = column.renderHeader ();
-
-		if (pos == -1 || pos >= this.columns.length)
-		{
-			pos = this.columns.push (column) - 1;
-			this.thead.appendChild (header);
-		}
-		else
-		{
-			this.columns.splice (pos, 0, column);
-			this.thead.insertBefore (header, this.thead.childNodes[pos]);
-		}
-
-		header.addEventListener ('click', 
-			this.sortModel.bind (this, column));
-		header.title = _('Sort');
-
-		column.on ('changed', this.columnChanged, this);
-		
-		var rows = this.tbody.childNodes;
-		
-		if (this._model && this._model.numRows > 0)
-		for (var i = 0; i < rows.length; i++)
-		{
-			var cell = this.renderCell (i, column, rows[i]);
-			rows[i].insertBefore (cell, rows[i].childNodes[pos+1]);
-		}
-
-		return pos;
-	}
-
-	,insertInternalColumn: function (pos, column)
-	{
-		if (pos < 0 || pos > this.internalColumns)
-			pos = this.internalColumns;
-
-		this.internalColumns++;
-		return this.addColumn (pos, column);
-	}
-
-	,insertColumn: function (pos, column)
-	{
-		if (pos > 0)
-			pos += this.internalColumns;
-
-		return this.addColumn (pos, column) - this.internalColumns;
-	}
-
-	,appendColumn: function (column)
-	{
-		return this.insertColumn (-1, column);
-	}
-
-	,deleteColumn: function (pos)
-	{
-		if (pos < 0 || pos >= this.columns.length)
-			return;
-
-		this.columns.splice (pos, 1);
-		this.thead.removeChild (this.thead.childNodes[pos]);
-		
-		var rows = this.tbody.childNodes;
-		
-		if (this._model && this._model.numRows > 0)
-		for (var i = 0; i < rows.length; i++)
-			rows[i].removeChild (rows[i].childNodes[pos]);
-	}
-
-	,removeInternalColumn: function (pos)
-	{
-		if (this.internalColumns == 0)
-			return;
-	
-		if (pos < 0 || pos > this.internalColumns)
-			pos = this.internalColumns;
-	
-		this.deleteColumn (pos);
-		this.internalColumns--;
-	}
-
-	,removeColumn: function (pos)
-	{
-		if (pos > 0)
-			pos += this.internalColumns;
-		
-		this.deleteColumn (pos);
-	}
-
-	,reloadModel: function ()
-	{
-		if (this._model != null)
-			this.onModelChange ();
-	}
-});
-
diff --git a/js/htk/grid/index.js b/js/htk/grid/index.js
new file mode 100644
index 00000000..1d7e9c7b
--- /dev/null
+++ b/js/htk/grid/index.js
@@ -0,0 +1,349 @@
+require('./style.scss');
+var Component = require('vn/component');
+
+module.exports = new Class({
+	Extends: Component
+	,Tag: 'htk-grid'
+	,Child: 'model'
+	,Properties:
+	{
+		/**
+		 * The source data model.
+		 */
+		model: {
+			type: Db.Model
+			,set: function(x) {
+				this.link({_model: x},
+				{
+					 'status-changed': this.onModelChange
+					,'row-deleted': this.onRowDelete
+					,'row-updated': this.onRowUpdate
+					,'row-inserted': this.onRowInsert
+					,'updatable-changed': this.onUpdatableChange
+				});
+
+				var set = new Db.SimpleIterator({model: x});
+				this.link({_set: set});
+				
+				this.onUpdatableChange();
+				this.onModelChange();
+			}
+			,get: function() {
+				return this._model;
+			}
+		},
+		/**
+		 * Message that should be displayed when source model is not ready.
+		 */
+		emptyMessage: {
+			type: String
+			,value: null
+		},
+		/**
+		 * Wether to display the header with column titles.
+		 */
+		showHeader: {
+			type: Boolean
+			,set: function(x) {
+				this._showHeader = x;
+				this.thead.style.display = x ? 'table-header-group' : 'none';
+			}
+			,get: function() {
+				return this._showHeader;
+			}
+		}
+	}
+
+	,_model: null
+	,_set: null
+	,columns: new Array()
+	,internalColumn: null
+	,internalColumns: 0
+	,sortColumn: -1
+	,sortWay: null
+	,_showHeader: true
+	
+	,render: function() {
+		var table = this.createRoot('table');
+
+		var thead = this.createElement('thead');
+		table.appendChild(thead);
+		
+		this.thead = this.createElement('tr')
+		thead.appendChild(this.thead);
+		
+		this.tbody = this.createElement('tbody');
+		table.appendChild(this.tbody);
+	}
+	
+	,appendChild: function(child) {
+		this.appendColumn(child);
+	}
+
+	,removeClicked: function(column, value, row) {
+		if (confirm(_('ReallyDelete')))
+			this._model.deleteRow(row);
+	}
+
+	,onRowDelete: function(model, row) {
+		var tableRows = this.tbody.childNodes;
+		this.tbody.removeChild(tableRows[row]);
+		
+		for (var i = row; i < tableRows.length; i++)
+			tableRows[i].className = (i % 2) ? 'pair-row' : '';
+	
+		this.showNoRecordsFound();
+	}
+
+	,onRowInsert: function() {
+		this.buildRow(1);
+	}
+
+	,renderCell: function(row, column, tr) {
+		if (column.column)
+			column.value = this._model.data[row][column.column];
+
+		if (column.renderer) {
+			this._set.row = row;
+			column.renderer(column, this._set);
+		}
+
+		return column.render(tr);
+	}
+	
+	,refreshRow: function(row, columns) {
+		var x = this.columns;
+		var tr = this.tbody.childNodes[row];
+		
+		for (var i = 0; i < x.length; i++)
+		if (x[i].renderer || columns.indexOf(x[i].columnIndex) != -1) {
+			var cell = this.renderCell(row, x[i], tr);
+			tr.replaceChild(cell, tr.childNodes[i]);
+		}
+	}
+
+	,onRowUpdate: function(model, row, columns) {
+		this.refreshRow(row, columns);
+	}
+
+	,buildRow: function(count) {
+		for (var i = 0; i < count; i++) {
+			var tr = this.createElement('tr');
+		
+			if (i % 2)
+				tr.className = 'pair-row';
+
+			for (var j = 0; j < this.columns.length; j++) {
+				var cell = this.renderCell(i, this.columns[j], tr);
+				tr.appendChild(cell);
+			}
+
+			this.tbody.appendChild(tr);
+		}
+	}
+
+	,onUpdatableChange: function() {
+		if (this._model && this._model.updatable) {
+			if (!this.internalColumn) {
+				this.internalColumn = new Htk.ColumnButton({
+					 icon: 'delete'
+					,tip: _('Remove')
+				});
+				this.internalColumn.on('clicked', this.removeClicked, this);
+				this.insertInternalColumn(0, this.internalColumn);
+			}
+		} else if (this.internalColumn) {
+			this.internalColumn = null;
+			this.removeInternalColumn(0);
+		}
+	}
+
+	,onModelChange: function() {
+		var emptyMessage = this.emptyMessage ?
+			this.emptyMessage : _('NoData');
+	
+		if (!this._model) {
+			this.showMessage(emptyMessage, 'refresh');
+			return;
+		}
+
+		this._node.removeChild(this.tbody);
+		this.tbody = this.createElement('tbody');
+
+		switch (this._model.status) {
+			case Db.Model.Status.READY:
+			{
+				for (var i = 0; i < this.columns.length; i++)
+					this.columns[i].updateColumnName(this._model);
+			
+				this.buildRow(this._model.numRows);
+				this.showNoRecordsFound();
+				break;
+			}
+			case Db.Model.Status.LOADING:
+				this.showMessage(_('Loading'), null);
+				break;
+			case Db.Model.Status.CLEAN:
+				this.showMessage(emptyMessage, 'refresh');
+				break;
+			case Db.Model.Status.ERROR:
+				this.showMessage(_('ErrorLoadingData'), 'error');
+				break;
+		}
+
+		this._node.appendChild(this.tbody);
+	}
+
+	,showNoRecordsFound: function() {
+		if (this._model.numRows == 0)
+			this.showMessage(_('EmptyList'), 'block');
+	}
+
+	,showMessage: function(message, src) {
+		if (this.columns.length == 0)
+			return;
+	
+		var tr =  this.createElement('tr');
+		this.tbody.appendChild(tr);
+
+		var td = this.createElement('td');
+		td.className = 'message';
+		td.colSpan = this.columns.length;
+		tr.appendChild(td);
+		
+		if (src) {
+			const icon = new Htk.Icon({
+				name: src
+			});
+			td.appendChild(icon.node);
+		} else {
+			var spinner = new Htk.Spinner();
+			spinner.start();
+			td.appendChild(spinner.node);
+		}
+		
+		var message = this.createTextNode(message);
+		td.appendChild(message);
+	}
+	
+	,scrollToRow: function(row) {
+		if (row >= 0) {
+			var height = parseInt(this.tr.style.height);
+			this.node.scrollTop = (row - 2) * height;
+		
+			if (this.selectedRow)
+				this.selectedRow.style.backgroundColor = null;
+		
+			this.selectedRow = this.tbody.childNodes[row]
+			this.selectedRow.style.backgroundColor = '#AAD';
+		}
+	}
+
+	,sortModel: function(column) {
+		var columnName = column.column;
+
+		if (this._model && columnName != -1) {
+			if (this.sortColumn === columnName
+			&& this.sortWay === Db.Model.SortWay.ASC)
+				this.sortWay = Db.Model.SortWay.DESC;
+			else
+				this.sortWay = Db.Model.SortWay.ASC;
+
+			this.sortColumn = columnName;
+		
+			this._model.sortByName(columnName, this.sortWay);
+		}
+	}
+	
+	,columnChanged: function(column, row, newValue) {
+		var columnName = column.column;
+
+		if (columnName != -1)
+			this._model.set(row, columnName, newValue);
+	}
+	
+	,addColumn: function(pos, column) {
+		var header = column.renderHeader();
+
+		if (pos == -1 || pos >= this.columns.length) {
+			pos = this.columns.push(column) - 1;
+			this.thead.appendChild(header);
+		} else {
+			this.columns.splice(pos, 0, column);
+			this.thead.insertBefore(header, this.thead.childNodes[pos]);
+		}
+
+		header.addEventListener('click', 
+			this.sortModel.bind(this, column));
+		header.title = _('Sort');
+
+		column.on('changed', this.columnChanged, this);
+		
+		var rows = this.tbody.childNodes;
+		
+		if (this._model && this._model.numRows > 0)
+		for (var i = 0; i < rows.length; i++) {
+			var cell = this.renderCell(i, column, rows[i]);
+			rows[i].insertBefore(cell, rows[i].childNodes[pos+1]);
+		}
+
+		return pos;
+	}
+
+	,insertInternalColumn: function(pos, column) {
+		if (pos < 0 || pos > this.internalColumns)
+			pos = this.internalColumns;
+
+		this.internalColumns++;
+		return this.addColumn(pos, column);
+	}
+
+	,insertColumn: function(pos, column) {
+		if (pos > 0)
+			pos += this.internalColumns;
+
+		return this.addColumn(pos, column) - this.internalColumns;
+	}
+
+	,appendColumn: function(column) {
+		return this.insertColumn(-1, column);
+	}
+
+	,deleteColumn: function(pos) {
+		if (pos < 0 || pos >= this.columns.length)
+			return;
+
+		this.columns.splice(pos, 1);
+		this.thead.removeChild(this.thead.childNodes[pos]);
+		
+		var rows = this.tbody.childNodes;
+		
+		if (this._model && this._model.numRows > 0)
+		for (var i = 0; i < rows.length; i++)
+			rows[i].removeChild(rows[i].childNodes[pos]);
+	}
+
+	,removeInternalColumn: function(pos) {
+		if (this.internalColumns == 0)
+			return;
+	
+		if (pos < 0 || pos > this.internalColumns)
+			pos = this.internalColumns;
+	
+		this.deleteColumn(pos);
+		this.internalColumns--;
+	}
+
+	,removeColumn: function(pos) {
+		if (pos > 0)
+			pos += this.internalColumns;
+		
+		this.deleteColumn(pos);
+	}
+
+	,reloadModel: function() {
+		if (this._model != null)
+			this.onModelChange();
+	}
+});
+
diff --git a/js/htk/grid/style.scss b/js/htk/grid/style.scss
new file mode 100644
index 00000000..a2a608db
--- /dev/null
+++ b/js/htk/grid/style.scss
@@ -0,0 +1,63 @@
+@import "../style/variables";
+
+.htk-grid {
+	margin: auto;
+	border-collapse: collapse;
+
+	& > thead > tr,
+	& > tfoot > tr {
+		background-color:  $color-primary;
+		vertical-align: middle;
+		height: 3em;
+	}
+	th {
+		color: white;
+		cursor: pointer;
+		font-weight: normal;
+		padding: 0 0.4em;
+	}
+	th:hover {
+		background-color: rgba(1, 1, 1, 0.2);
+	}
+	tr {
+		height: 3.5em;
+	}
+	& > tfoot a,
+	& > thead a {
+		color: black;
+	}
+	tr.pair-row {
+		background-color: transparent;
+	}
+	& > tbody tr {
+		border-top: 1px solid #DDD;
+	}
+	& > tbody tr:first-child {
+		border-top: none;
+	}
+	& > tbody td {
+		margin: 0;
+		padding: 0 0.5em;
+	}
+	th,
+	td {
+		text-align: left;
+	}
+	td:first-child,
+	th:first-child {
+		padding-left: 1em;
+	}
+	td:last-child,
+	th:last-child {
+		padding-right: 1em;
+	}
+	.message {
+		padding: 1.5em;
+		text-align: center;
+	}
+	.message > * {
+		display: inline-block;
+		vertical-align: middle;
+		padding-right: .8em;
+	}
+}
diff --git a/js/htk/htk.js b/js/htk/htk.js
index 29e11c30..5cc21c26 100644
--- a/js/htk/htk.js
+++ b/js/htk/htk.js
@@ -1,54 +1,52 @@
 
-require ('db/db');
-require ('./style.css');
+require('db/db');
+require('./style/index.scss');
 
 Htk = module.exports = {
-	 NodeBuilder  : require ('./node-builder')
-	,Widget       : require ('./widget')
-	,Component    : require ('./component')
-	,Popup        : require ('./popup')
-	,Dialog       : require ('./dialog')
-	,Toast        : require ('./toast')
-	,Repeater     : require ('./repeater')
-	,Grid         : require ('./grid')
-	,Spinner      : require ('./spinner')
-	,Icon         : require ('./icon')
-	,FullImage    : require ('./full-image')
-	,ImageEditor  : require ('./image-editor')
-	,Assistant    : require ('./assistant')
-	,AssistantBar : require ('./assistant-bar')
-	,Step         : require ('./step')
-	,Loader       : require ('./loader')
-	,Field        : require ('./field')
-	,Column       : require ('./column')
+	 Popup        : require('./popup')
+	,Dialog       : require('./dialog')
+	,Toast        : require('./toast')
+	,Repeater     : require('./repeater')
+	,Grid         : require('./grid')
+	,Spinner      : require('./spinner')
+	,Icon         : require('./icon')
+	,FullImage    : require('./full-image')
+	,ImageEditor  : require('./image-editor')
+	,Assistant    : require('./assistant')
+	,AssistantBar : require('./assistant-bar')
+	,Step         : require('./step')
+	,Loader       : require('./loader')
+	,List         : require('./list')
+	,Field        : require('./field')
+	,Column       : require('./column')
 };
 
 var Fields = {
-	 Text         : require ('./field/text')
-	,Html         : require ('./field/html')
-	,Entry        : require ('./field/entry')
-	,RadioGroup   : require ('./field/radio-group')
-	,Radio        : require ('./field/radio')
-	,Label        : require ('./field/label')
-	,TextArea     : require ('./field/text-area')
-	,Spin         : require ('./field/spin')
-	,Check        : require ('./field/check')
-	,Select       : require ('./field/select')
-	,Calendar     : require ('./field/calendar')
-	,DateChooser  : require ('./field/date-chooser')
-	,Image        : require ('./field/image')
-	,Button       : require ('./field/button')
-	,BarButton    : require ('./field/bar-button')
-	,Table        : require ('./field/table')
-	,SearchEntry  : require ('./field/search-entry')
-	,ColumnButton : require ('./column/button')
-	,ColumnLink   : require ('./column/link')
-	,ColumnDate   : require ('./column/date')
-	,ColumnImage  : require ('./column/image')
-	,ColumnRadio  : require ('./column/radio')
-	,ColumnSpin   : require ('./column/spin')
-	,ColumnText   : require ('./column/text')
-	,ColumnCheck  : require ('./column/check')
+	 Text         : require('./text')
+	,Html         : require('./html')
+	,Entry        : require('./entry')
+	,RadioGroup   : require('./radio/radio-group')
+	,Radio        : require('./radio')
+	,Label        : require('./label')
+	,TextArea     : require('./text-area')
+	,Spin         : require('./spin')
+	,Check        : require('./check')
+	,Select       : require('./select')
+	,Calendar     : require('./calendar')
+	,DateChooser  : require('./date-chooser')
+	,Image        : require('./image')
+	,Button       : require('./button')
+	,BarButton    : require('./bar-button')
+	,Table        : require('./table')
+	,SearchEntry  : require('./search-entry')
+	,ColumnButton : require('./columns/button')
+	,ColumnLink   : require('./columns/link')
+	,ColumnDate   : require('./columns/date')
+	,ColumnImage  : require('./columns/image')
+	,ColumnRadio  : require('./columns/radio')
+	,ColumnSpin   : require('./columns/spin')
+	,ColumnText   : require('./columns/text')
+	,ColumnCheck  : require('./columns/check')
 };
 
 for (var field in Fields)
diff --git a/js/htk/field/html.js b/js/htk/html/index.js
similarity index 57%
rename from js/htk/field/html.js
rename to js/htk/html/index.js
index 166cab44..641d9a46 100644
--- a/js/htk/field/html.js
+++ b/js/htk/html/index.js
@@ -4,13 +4,11 @@ module.exports = new Class
 	Extends: Htk.Field
 	,Tag: 'htk-html'
 
-	,render: function ()
-	{
-		this.createRoot ('div');
+	,render: function() {
+		this.createRoot('div');
 	}
 
-	,putValue: function (value)
-	{
+	,putValue: function(value) {
 		this.node.innerHTML = value;
 	}
 });
diff --git a/js/htk/icon.js b/js/htk/icon.js
deleted file mode 100644
index d31613d5..00000000
--- a/js/htk/icon.js
+++ /dev/null
@@ -1,63 +0,0 @@
-
-var Widget = require ('./widget');
-
-module.exports = new Class
-({
-	Extends: Widget
-	,Tag: 'htk-icon'
-	,Properties:
-	{
-		icon:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._icon = x;
-				this._setIcon ();
-			}
-			,get: function ()
-			{
-				return this._icon;
-			}
-			
-		},
-		theme:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._theme = x;
-				this._setIcon ();
-			}
-			,get: function ()
-			{
-				return this._theme;
-			}
-		},
-		alt:
-		{
-			type: String
-			,set: function (x)
-			{
-				this.node.alt = x;
-			}
-			,get: function ()
-			{
-				return this.node.alt;
-			}
-		}
-	}
-
-	,_icon: null
-
-	,render: function ()
-	{
-		this.createRoot ('img');
-	}
-	
-	,_setIcon: function ()
-	{
-		var theme = this._theme ? this._theme : 'light';
-		this.node.src = 'image/icon/'+ theme +'/'+ this._icon +'.svg';
-	}
-});
diff --git a/js/htk/icon/index.js b/js/htk/icon/index.js
new file mode 100644
index 00000000..66735155
--- /dev/null
+++ b/js/htk/icon/index.js
@@ -0,0 +1,51 @@
+
+var Component = require('vn/component');
+
+module.exports = new Class({
+	Extends: Component
+	,Tag: 'htk-icon'
+	,Properties:
+	{
+		name: {
+			type: String
+			,set: function(x) {
+				this._icon = x;
+				this._setIcon();
+			}
+			,get: function() {
+				return this._icon;
+			}
+			
+		},
+		theme: {
+			type: String
+			,set: function(x) {
+				this._theme = x;
+				this._setIcon();
+			}
+			,get: function() {
+				return this._theme;
+			}
+		},
+		alt: {
+			type: String
+			,set: function(x) {
+				this.node.alt = x;
+			}
+			,get: function() {
+				return this.node.alt;
+			}
+		}
+	}
+
+	,_icon: null
+
+	,render: function() {
+		const node = this.createRoot('span');
+		node.classList.add('material-symbols-rounded');
+	}
+	
+	,_setIcon: function() {
+		this.node.innerText = this._icon;
+	}
+});
diff --git a/js/htk/image-editor.js b/js/htk/image-editor.js
deleted file mode 100644
index cb31e02b..00000000
--- a/js/htk/image-editor.js
+++ /dev/null
@@ -1,65 +0,0 @@
-
-var Component = require('./component');
-var Toast = require('./toast');
-var Tpl = require('./image-editor.xml');
-
-/**
- * A form to handle the image database, it allows to add new images or
- * replace it.
- **/
-module.exports = new Class({
-	Extends: Component,
-	Properties: {
-		/**
-		 * The REST connection used to upload the image.
-		 **/
-		conn: {
-			type: Vn.JsonConnection
-		}
-	},
-	
-	initialize: function(props) {
-		this.builderInitString(Tpl);
-
-		var self = this;
-		this.$('form').onsubmit = function()
-			{ self._onSubmit(); return false; };
-
-		this.parent(props);
-	},
-	
-	onNameChange: function() {
-		var newValue = this.$('name').value;
-		
-		if (!newValue)
-			newValue = null
-	
-		this.signalEmit('name-changed', newValue);
-	},
-	
-	_onSubmit: function() {
-		this.$('hidden-name').value = this.$('name').value;
-		this.$('submit').disabled = true;
-		this.$('spinner').start();
-
-		this.conn.sendFormMultipart(this.$('form'),
-			this._onResponse.bind(this));
-	},
-	
-	_onResponse: function(json, error) {
-		this.$('submit').disabled = false;
-		this.$('spinner').stop();
-
-		if (error)
-			throw error;
-
-		Toast.showMessage(_('ImageAdded'));
-		this.signalEmit('file-uploaded', this.$('name').value);
-	},
-	
-	setData: function(image, directory) {
-		this.$('name').value = image;
-		this.$('schema').value = directory;
-	}
-});
-
diff --git a/js/htk/image-editor/index.js b/js/htk/image-editor/index.js
new file mode 100644
index 00000000..3ba053ae
--- /dev/null
+++ b/js/htk/image-editor/index.js
@@ -0,0 +1,66 @@
+require('./style.scss');
+var Component = require('vn/component');
+var Toast = require('../toast');
+var Tpl = require('./ui.xml').default;
+
+/**
+ * A form to handle the image database, it allows to add new images or
+ * replace it.
+ */
+module.exports = new Class({
+	Extends: Component,
+	Properties: {
+		/**
+		 * The REST connection used to upload the image.
+		 */
+		conn: {
+			type: Vn.JsonConnection
+		}
+	},
+	
+	initialize: function(props) {
+		this.loadTemplateFromString(Tpl);
+
+		var self = this;
+		this.$.form.onsubmit = function() {
+			self._onSubmit(); return false; 
+		};
+
+		Component.prototype.initialize.call(this, props);
+	},
+	
+	onNameChange: function() {
+		var newValue = this.$.name.value;
+		
+		if (!newValue)
+			newValue = null
+	
+		this.emit('name-changed', newValue);
+	},
+	
+	_onSubmit: function() {
+		this.$.hiddenName.value = this.$.name.value;
+		this.$.submit.disabled = true;
+		this.$.spinner.start();
+
+		this.conn.sendFormMultipart(this.$.form,
+			this._onResponse.bind(this));
+	},
+	
+	_onResponse: function(json, error) {
+		this.$.submit.disabled = false;
+		this.$.spinner.stop();
+
+		if (error)
+			throw error;
+
+		Toast.showMessage(_('ImageAdded'));
+		this.emit('file-uploaded', this.$.name.value);
+	},
+	
+	setData: function(image, directory) {
+		this.$.name.value = image;
+		this.$.schema.value = directory;
+	}
+});
+
diff --git a/js/htk/image-editor/style.scss b/js/htk/image-editor/style.scss
new file mode 100644
index 00000000..22921146
--- /dev/null
+++ b/js/htk/image-editor/style.scss
@@ -0,0 +1,33 @@
+
+.htk-image-editor {
+	width: 18em;
+	margin: 0 auto;
+	padding: 1.5em;
+
+	h2 {
+		color: white;
+		background-color: #009688;
+		text-align: left;
+		font-size: 1.3em;
+		line-height: 1.7em;
+		font-weight: normal;
+		padding: 0.6em 0.8em;
+		margin: 0;
+	}
+	iframe {
+		display: none;
+	}
+	.footer {
+		margin-top: 2em;
+
+		& > .htk-spinner {
+			padding-right: 1.2em;
+			height: 1.3em;
+			width: 1.3em;
+		}
+		& > .htk-spinner,
+		& > input {
+			float: right;
+		}
+	}
+}
diff --git a/js/htk/image-editor.xml b/js/htk/image-editor/ui.xml
similarity index 100%
rename from js/htk/image-editor.xml
rename to js/htk/image-editor/ui.xml
diff --git a/js/htk/field/image.js b/js/htk/image/index.js
similarity index 92%
rename from js/htk/field/image.js
rename to js/htk/image/index.js
index f3109bee..92d3f30c 100644
--- a/js/htk/field/image.js
+++ b/js/htk/image/index.js
@@ -1,6 +1,8 @@
+require('./style.scss');
+
 /**
  * Class to display or edit an image. Also it allows to show it's full version.
- **/
+ */
 module.exports = new Class({
 	Extends: Htk.Field
 	,Tag: 'htk-image'
@@ -8,7 +10,7 @@ module.exports = new Class({
 	{
 		/**
 		 * The directory where the images are allocated.
-		 **/
+		 */
 		directory: {
 			type: String
 			,set: function(x) {
@@ -21,7 +23,7 @@ module.exports = new Class({
 		},
 		/**
 		 * The subdirectory where the images are allocated.
-		 **/
+		 */
 		subdir: {
 			type: String
 			,set: function(x) {
@@ -34,7 +36,7 @@ module.exports = new Class({
 		},
 		/**
 		 * The timestamp field of the last update, used for caching purposes.
-		 **/
+		 */
 		stampColumn: {
 			type: String
 			,set: function(x) {
@@ -47,7 +49,7 @@ module.exports = new Class({
 		},
 		/**
 		 * Whether to show the full image when mouse hover.
-		 **/
+		 */
 		fullDir: {
 			type: String
 			,set: function(x) {			
@@ -60,7 +62,7 @@ module.exports = new Class({
 		},
 		/**
 		 * The REST connection used to upload the image.
-		 **/
+		 */
 		conn: {
 			type: Vn.JsonConnection
 		}
@@ -74,7 +76,6 @@ module.exports = new Class({
 
 	,render: function() {
 		var node = this.createRoot('div');
-		node.className = 'htk-image';
 		
 		var img = this.img = this.createElement('img');
 		img.addEventListener('error', this._onImageError.bind(this));
@@ -110,14 +111,13 @@ module.exports = new Class({
 			this.node.removeChild(this.editButton);
 			this.editButton = null;
 		}
-	
 		if (this._editable) {
 			var button = this.createElement('button');
 			button.addEventListener('click', this._onEditClick.bind(this));
 			button.title = _('UpdateImage');
 			this.node.appendChild(button);
 			
-			var icon = new Htk.Icon({icon: 'add-photo'});
+			var icon = new Htk.Icon({name: 'add_a_photo'});
 			button.appendChild(icon.node);
 
 			this.editButton = button;
@@ -137,7 +137,7 @@ module.exports = new Class({
 		if (this._stamp)
 			src += '?'+ this._stamp;
 		else if (this._stampColumn && this.form)
-			src += '?'+ this.form.get(this._stampColumn);
+			src += '?'+ this.form.$[this._stampColumn];
 	
 		return  src;
 	}
@@ -162,7 +162,8 @@ module.exports = new Class({
 	}
 
 	,_onClick: function(event) {
-		if (!this._fullDir || !this._value || this._error)
+		if (!this._fullDir || !this._value || this._error
+		|| event.defaultPrevented)
 			return;
 
 		event.preventDefault();
@@ -170,7 +171,8 @@ module.exports = new Class({
 	}
 	
 	,_onEditClick: function(event) {
-		event.stopPropagation();
+		if (event.defaultPrevented) return
+		event.preventDefault();
 
 		var editor = new Htk.ImageEditor({conn: this.conn});
 		editor.setData(this.value, this._directory);	
diff --git a/js/htk/image/style.scss b/js/htk/image/style.scss
new file mode 100644
index 00000000..fdfceb41
--- /dev/null
+++ b/js/htk/image/style.scss
@@ -0,0 +1,35 @@
+
+.htk-image {
+	position: relative;
+	overflow: hidden;
+	transition: opacity 250ms ease-out;
+
+	&.clickable:hover {
+		cursor: pointer;
+		opacity: 0.85;
+	}
+	& > img {
+		display: block;
+		height: 100%;
+		width: 100%;
+	}
+	& > button {
+		position: absolute;
+		top: 0;
+		left: 0;
+		padding: 8px;
+		margin: 4px;
+		display: none;
+		background-color: rgba(255, 255, 255, .6);
+
+		&:hover {
+			background-color: rgba(255, 255, 255, .8);
+		}
+	}
+	&:hover > button {
+		display: block;
+	}
+	& > button > .htk-icon {
+		display: block;
+	}
+}
diff --git a/js/htk/field/label.js b/js/htk/label/index.js
similarity index 50%
rename from js/htk/field/label.js
rename to js/htk/label/index.js
index d3006802..94f09b68 100644
--- a/js/htk/field/label.js
+++ b/js/htk/label/index.js
@@ -7,17 +7,15 @@ module.exports = new Class
 	{
 		/**
 		 * Format that applies to the value.
-		 **/
+		 */
 		format:
 		{
 			type: String
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._format = _(x);
-				this.putValue (this._value);
+				this.putValue(this._value);
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._format;
 			}
 		}
@@ -25,14 +23,12 @@ module.exports = new Class
 	
 	,_format: null
 
-	,render: function ()
-	{
-		this.createRoot ('label');
+	,render: function() {
+		this.createRoot('label');
 	}
 
-	,putValue: function (value)
-	{
-		Vn.Node.setText (this.node,
-			Vn.Value.format (value, this._format));
+	,putValue: function(value) {
+		Vn.Node.setText(this.node,
+			Vn.Value.format(value, this._format));
 	}
 });
diff --git a/js/htk/list/index.js b/js/htk/list/index.js
new file mode 100644
index 00000000..1fe6bd72
--- /dev/null
+++ b/js/htk/list/index.js
@@ -0,0 +1 @@
+require('./style.scss');
diff --git a/js/htk/list/style.scss b/js/htk/list/style.scss
new file mode 100644
index 00000000..66f4290f
--- /dev/null
+++ b/js/htk/list/style.scss
@@ -0,0 +1,64 @@
+@import "../style/classes";
+
+.htk-list {
+	a.item,
+	.item.clickable {
+		@extend %clickable;
+	}
+	.item {
+		padding: 20px;
+		border-bottom: 1px solid #DDD;
+		display: flex;
+		align-items: center;
+
+		& > .side {
+			flex: none;
+		}
+		& > .content {
+			flex: 1;
+			overflow: hidden;
+
+			& > .important {
+				font-weight: bold;
+				font-size: 1rem;
+				margin-bottom: .5em;
+			}
+			& > p {
+				margin: .1em 0;
+				text-overflow: ellipsis;
+				white-space: nowrap;
+				overflow: hidden;
+			}
+		}
+		& > .actions {
+			flex: none;
+			display: none;
+			align-items: center;
+
+			& > .htk-button {
+				margin: 0;
+			}
+			& > * {
+				display: inline-block;
+				vertical-align: middle;
+			}
+			& > input {
+				margin: .6em;
+			}
+		}
+		&:hover > .actions {
+			display: flex;
+		}
+		&:last-child {
+			border-bottom: none;
+		}
+	}
+
+	/* Mobile */
+
+	@media (max-width: 960px) {
+		.item > .actions {
+			display: initial;
+		}
+	}
+}
diff --git a/js/htk/loader.js b/js/htk/loader.js
deleted file mode 100644
index 8ca67313..00000000
--- a/js/htk/loader.js
+++ /dev/null
@@ -1,79 +0,0 @@
-
-var Widget = require ('./widget');
-
-module.exports = new Class
-({
-	Tag: 'htk-loader'
-	,Extends: Widget
-	,Properties: {
-		form:
-		{
-			type: Db.Form
-			,set: function (x)
-			{
-				this.link ({_form: x}, {'status-changed': this.onFormChange});
-				this.onFormChange ();
-			}
-			,get: function ()
-			{
-				return this._form;
-			}
-		}
-	}
-
-	,initialize: function ()
-	{
-		var node = this.createRoot ('div');
-		node.className = 'htk-loader';
-
-		var div = this.createElement ('div');
-		div.className = 'spinner';
-
-		var spinner = new Htk.Spinner ();
-		div.appendChild (spinner.node);
-
-		var childs = this.createElement ('div');
-
-		this.spinner = spinner;
-		this.div = div;
-		this.childs = childs;
-		this.isLoading = true;
-		this.stop ();
-	}
-
-	,appendChild: function (child)
-	{
-		this.childs.appendChild (child);
-	}
-
-	,stop: function ()
-	{
-		if (!this.isLoading)
-			return;
-
-		this.isLoading = false;
-		this.spinner.stop ();
-		Vn.Node.removeChilds (this.node);
-		this.node.appendChild (this.childs);
-	}
-
-	,start: function ()
-	{
-		if (this.isLoading)
-			return;
-
-		this.isLoading = true;
-		this.spinner.start ();
-		Vn.Node.removeChilds (this.node);
-		this.node.appendChild (this.div);
-	}
-
-	,onFormChange: function ()
-	{
-		if (this._form.ready)
-			this.stop ();
-		else
-			this.start ();
-	}
-});
-
diff --git a/js/htk/loader/index.js b/js/htk/loader/index.js
new file mode 100644
index 00000000..dd6d8b19
--- /dev/null
+++ b/js/htk/loader/index.js
@@ -0,0 +1,70 @@
+require('./style.scss');
+var Component = require('vn/component');
+
+module.exports = new Class({
+	Extends: Component
+	,Tag: 'htk-loader'
+	,Properties: {
+		form: {
+			type: Db.Form
+			,set: function(x) {
+				this.link({_form: x}, {'status-changed': this.onFormChange});
+				this.onFormChange();
+			}
+			,get: function() {
+				return this._form;
+			}
+		}
+	}
+
+	,initialize: function(props) {
+		Component.prototype.initialize.call(this, props);
+		this.createRoot('div');
+
+		var div = this.createElement('div');
+		div.className = 'spinner';
+
+		var spinner = new Htk.Spinner();
+		div.appendChild(spinner.node);
+
+		var childs = this.createElement('div');
+
+		this.spinner = spinner;
+		this.div = div;
+		this.childs = childs;
+		this.isLoading = true;
+		this.stop();
+	}
+
+	,appendChild: function(child) {
+		this.childs.appendChild(child);
+	}
+
+	,stop: function() {
+		if (!this.isLoading)
+			return;
+
+		this.isLoading = false;
+		this.spinner.stop();
+		Vn.Node.removeChilds(this.node);
+		this.node.appendChild(this.childs);
+	}
+
+	,start: function() {
+		if (this.isLoading)
+			return;
+
+		this.isLoading = true;
+		this.spinner.start();
+		Vn.Node.removeChilds(this.node);
+		this.node.appendChild(this.div);
+	}
+
+	,onFormChange: function() {
+		if (this._form.ready)
+			this.stop();
+		else
+			this.start();
+	}
+});
+
diff --git a/js/htk/loader/style.scss b/js/htk/loader/style.scss
new file mode 100644
index 00000000..5c42e10b
--- /dev/null
+++ b/js/htk/loader/style.scss
@@ -0,0 +1,4 @@
+
+.htk-loader > .spinner {
+	text-align: center;
+}
diff --git a/js/htk/locale/ca.yml b/js/htk/locale/ca.yml
index ea06ed41..3bb55c1d 100644
--- a/js/htk/locale/ca.yml
+++ b/js/htk/locale/ca.yml
@@ -27,3 +27,4 @@ Next: Següent
 Confirm: Confirmar
 Search: Cercar
 Search...: Cercar...
+Erase: Esborrar
diff --git a/js/htk/locale/en.yml b/js/htk/locale/en.yml
index e1f455d6..58547015 100644
--- a/js/htk/locale/en.yml
+++ b/js/htk/locale/en.yml
@@ -27,3 +27,4 @@ Next: Next
 Confirm: Confirm
 Search: Search
 Search...: Search...
+Erase: Erase
diff --git a/js/htk/locale/es.yml b/js/htk/locale/es.yml
index 76a005ee..4210301e 100644
--- a/js/htk/locale/es.yml
+++ b/js/htk/locale/es.yml
@@ -27,3 +27,4 @@ Next: Siguiente
 Confirm: Confirmar
 Search: Buscar
 Search...: Buscar...
+Erase: Borrar
diff --git a/js/htk/locale/fr.yml b/js/htk/locale/fr.yml
index 1d10627b..4bd0b2ca 100644
--- a/js/htk/locale/fr.yml
+++ b/js/htk/locale/fr.yml
@@ -27,3 +27,4 @@ Next: Suivant
 Confirm: Confirmer
 Search: Recherche
 Search...: Recherche...
+Erase: Effacer
diff --git a/js/htk/locale/pt.yml b/js/htk/locale/pt.yml
index 67775386..17167706 100644
--- a/js/htk/locale/pt.yml
+++ b/js/htk/locale/pt.yml
@@ -27,3 +27,4 @@ Next: Seguinte
 Confirm: Confirmar
 Search: Procurar
 Search...: Procurar...
+Erase: Apagar
diff --git a/js/htk/node-builder.js b/js/htk/node-builder.js
deleted file mode 100644
index fa28a1c0..00000000
--- a/js/htk/node-builder.js
+++ /dev/null
@@ -1,26 +0,0 @@
-
-module.exports = new Class
-({
-	Extends: Vn.Object
-
-	,doc: null
-	
-	,initialize: function (props)
-	{
-		this.doc = document;
-		this.parent (props);	
-	}
-	
-	,createElement: function (tagName)
-	{
-		return document.createElement (tagName);
-	}
-	
-	,createTextNode: function (text)
-	{
-		return document.createTextNode (text);
-	}
-	
-	,render: function () {}
-});
-
diff --git a/js/htk/popup.js b/js/htk/popup.js
deleted file mode 100644
index a81ea1e0..00000000
--- a/js/htk/popup.js
+++ /dev/null
@@ -1,231 +0,0 @@
-
-var Widget = require ('./widget');
-
-/**
- * Class to handle popups.
- **/
-module.exports = new Class
-({
-	Extends: Widget
-	,Tag: 'htk-popup'
-	,Properties:
-	{
-		/**
-		 * The popup child.
-		 **/
-		child:
-		{ 
-			type: Widget
-			,set: function (x)
-			{
-				this._child = x;
-				this._setChildNode (x.node);
-			}
-			,get: function ()
-			{
-				return this._child;
-			}
-		}
-		/**
-		 * The popup child Node.
-		 **/
-		,childNode:
-		{ 
-			type: Object
-			,set: function (x)
-			{
-				this._child = null;
-				this._setChildNode (x);
-			}
-			,get: function ()
-			{
-				return this.node.firstChild;
-			}
-		}
-		/**
-		 * Indicates how the dialog must be displayed.
-		 **/
-		,modal:
-		{ 
-			type: Boolean
-			,set: function (x)
-			{
-				this._modal = x;
-			}
-			,get: function ()
-			{
-				return this._modal;
-			}
-		}
-	}
-
-	,_parent: null
-	,_modal: false
-	,_isOpen: false
-	,_child: null
-
-	,initialize: function (props)
-	{
-		this._bgMouseDownHandler = this._bgMouseDown.bind (this);
-		this.parent (props);
-	}
-	
-	,render: function ()
-	{
-		var div = this.createRoot ('div');
-		div.className = 'htk-popup';
-	}
-
-	,_setChildNode: function (childNode)
-	{
-		Vn.Node.removeChilds (this.node);
-		this.node.appendChild (childNode);
-	}
-
-	,show: function (parent)
-	{
-		this._parent = parent;
-		this.open ();
-	}
-
-	,isModal: function ()
-	{
-		return this._modal || Vn.isMobile ();
-	}
-	
-	,open: function ()
-	{
-		if (this._isOpen)
-		{
-			this.reset ();
-			return;
-		}
-	
-		this.node.addEventListener ('mousedown', this._onMouseDown.bind (this));
-
-		if (this.isModal ())
-		{
-			var bg = this._bg = this.createElement ('div');
-			bg.className = 'htk-background';
-			bg.addEventListener ('mousedown', this._bgMouseDownHandler);
-			Htk.Toast.pushTop (bg);
-
-			Vn.Node.addClass (this.node, 'modal');
-			bg.appendChild (this.node);
-
-			this.doc.body.appendChild (bg);
-			setTimeout (this._onOpacityTimeout.bind (this), 0);
-		}
-		else
-		{
-			this.doc.addEventListener ('mousedown', this._bgMouseDownHandler);
-			this.doc.body.appendChild (this.node);
-		}
-		
-		this._isOpen = true;
-		this.reset ();
-		setTimeout (this._onResetTimeout.bind (this), 0);
-	}
-	
-	,_onOpacityTimeout: function ()
-	{
-		if (this._bg)
-			this._bg.style.opacity = 1;
-	}
-
-	,_onResetTimeout: function ()
-	{
-		this.reset ();
-	}
-	
-	,reset: function ()
-	{
-		if (!this._isOpen)
-			return;
-			
-		var node = this._node;
-
-		var style = node.style;
-		style.height = '';
-		style.width = '';
-
-		var margin = 20;
-		var dblMargin = margin * 2;
-		var width = node.offsetWidth;
-		var height = node.offsetHeight;
-		var innerWidth = window.innerWidth;
-		var innerHeight = window.innerHeight;
-
-		if (width + dblMargin > innerWidth)
-		{
-			width = innerWidth - dblMargin;
-			style.width = width +'px';
-		}
-		if (height + dblMargin > innerHeight)
-		{
-			height = innerHeight - dblMargin;
-			style.height = height +'px';
-		}
-		
-		if (this.isModal ())
-		{
-			style.marginLeft = (-node.offsetWidth / 2) +'px';
-			style.marginTop =  (-node.offsetHeight / 2) +'px';
-		}
-		else
-		{
-			var spacing = 4;
-			var rect = this._parent.getBoundingClientRect ();
-			var left = rect.left;
-			var top = rect.top + spacing + this._parent.offsetHeight;
-
-			if (left + width > innerWidth)
-				left -= (left + width) - window.innerWidth + margin;
-			if (top + height > innerHeight)
-				top -= height + this._parent.offsetHeight + spacing * 2;
-
-			if (left < 0)
-				left = margin;
-			if (top < 0)
-				top = margin;
-
-			style.top = (top) +'px';
-			style.left = (left) +'px';
-		}
-	}
-
-	,hide: function ()
-	{
-		if (!this._isOpen)
-			return;
-
-		if (this._bg)		
-		{
-			Htk.Toast.popTop ();
-			Vn.Node.remove (this._bg);
-			Vn.Node.removeClass (this._node, 'modal');
-			this._bg = null;
-		}
-		else
-			this.doc.removeEventListener ('mousedown', this._bgMouseDownHandler);
-
-		Vn.Node.remove (this._node);
-		this._parent = null;
-		this._isOpen = false;
-		this.signalEmit ('closed');
-	}
-	
-	,_bgMouseDown: function (e)
-	{
-		if (e !== this._lastEvent)
-			this.hide ();
-			
-		this._lastEvent = null;
-	}
-	
-	,_onMouseDown: function (e)
-	{
-		this._lastEvent = e;
-	}
-});
-
diff --git a/js/htk/popup/index.js b/js/htk/popup/index.js
new file mode 100644
index 00000000..fa461ad3
--- /dev/null
+++ b/js/htk/popup/index.js
@@ -0,0 +1,194 @@
+require('./style.scss');
+var Component = require('vn/component');
+
+/**
+ * Class to handle popups.
+ */
+module.exports = new Class({
+	Extends: Component
+	,Tag: 'htk-popup'
+	,Properties: {
+		/**
+		 * The popup child.
+		 */
+		child: { 
+			type: Component
+			,set: function(x) {
+				this._child = x;
+				this._setChildNode(x.node);
+			}
+			,get: function() {
+				return this._child;
+			}
+		}
+		/**
+		 * The popup child Node.
+		 */
+		,childNode: { 
+			type: Object
+			,set: function(x) {
+				this._child = null;
+				this._setChildNode(x);
+			}
+			,get: function() {
+				return this.node.firstChild;
+			}
+		}
+		/**
+		 * Indicates how the dialog must be displayed.
+		 */
+		,modal: { 
+			type: Boolean
+			,set: function(x) {
+				this._modal = x;
+			}
+			,get: function() {
+				return this._modal;
+			}
+		}
+	}
+
+	,_parent: null
+	,_modal: false
+	,_isOpen: false
+	,_child: null
+
+	,initialize: function(props) {
+		this._bgMouseDownHandler = this._bgMouseDown.bind(this);
+		Component.prototype.initialize.call(this, props);
+	}
+	
+	,render: function() {
+		this.createRoot('div');
+	}
+
+	,_setChildNode: function(childNode) {
+		Vn.Node.removeChilds(this.node);
+		this.node.appendChild(childNode);
+	}
+
+	,show: function(parent, event) {
+		this._parent = parent;
+		this._lastEvent = event;
+		this.open();
+	}
+
+	,isModal: function() {
+		return this._modal || Vn.isMobile();
+	}
+	
+	,open: function() {
+		if (this._isOpen) {
+			this.reset();
+			return;
+		}
+	
+		this.node.addEventListener('mousedown', this._onMouseDown.bind(this));
+
+		if (this.isModal()) {
+			var bg = this._bg = this.createElement('div');
+			bg.className = 'htk-background';
+			bg.addEventListener('mousedown', this._bgMouseDownHandler);
+			Htk.Toast.pushTop(bg);
+
+			this.node.classList.add('modal');
+			bg.appendChild(this.node);
+
+			this.doc.body.appendChild(bg);
+			setTimeout(this._onOpacityTimeout.bind(this), 0);
+		} else {
+			this.doc.addEventListener('mousedown', this._bgMouseDownHandler);
+			this.doc.body.appendChild(this.node);
+		}
+		
+		this._isOpen = true;
+		this.reset();
+		setTimeout(this._onResetTimeout.bind(this), 0);
+	}
+	
+	,_onOpacityTimeout: function() {
+		if (this._bg)
+			this._bg.style.opacity = 1;
+	}
+
+	,_onResetTimeout: function() {
+		this.reset();
+	}
+	
+	,reset: function() {
+		if (!this._isOpen)
+			return;
+			
+		var node = this._node;
+
+		var style = node.style;
+		style.height = '';
+		style.width = '';
+
+		if (!this.isModal()) {
+			var margin = 20;
+			var dblMargin = margin * 2;
+			var width = node.offsetWidth;
+			var height = node.offsetHeight;
+			var innerWidth = window.innerWidth;
+			var innerHeight = window.innerHeight;
+	
+			if (width + dblMargin > innerWidth) {
+				width = innerWidth - dblMargin;
+				style.width = width +'px';
+			}
+			if (height + dblMargin > innerHeight) {
+				height = innerHeight - dblMargin;
+				style.height = height +'px';
+			}
+
+			var spacing = 4;
+			var rect = this._parent.getBoundingClientRect();
+			var left = rect.left;
+			var top = rect.top + spacing + this._parent.offsetHeight;
+
+			if (left + width > innerWidth)
+				left -= (left + width) - window.innerWidth + margin;
+			if (top + height > innerHeight)
+				top -= height + this._parent.offsetHeight + spacing * 2;
+
+			if (left < 0)
+				left = margin;
+			if (top < 0)
+				top = margin;
+
+			style.top = (top) +'px';
+			style.left = (left) +'px';
+		}
+	}
+
+	,hide: function() {
+		if (!this._isOpen)
+			return;
+
+		if (this._bg) {
+			Htk.Toast.popTop();
+			Vn.Node.remove(this._bg);
+			Vn.Node.removeClass(this._node, 'modal');
+			this._bg = null;
+		} else
+			this.doc.removeEventListener('mousedown', this._bgMouseDownHandler);
+
+		Vn.Node.remove(this._node);
+		this._parent = null;
+		this._isOpen = false;
+		this.emit('closed');
+	}
+	
+	,_bgMouseDown: function(e) {
+		if (e !== this._lastEvent)
+			this.hide();
+			
+		this._lastEvent = null;
+	}
+	
+	,_onMouseDown: function(e) {
+		this._lastEvent = e;
+	}
+});
+
diff --git a/js/htk/popup/style.scss b/js/htk/popup/style.scss
new file mode 100644
index 00000000..89a15908
--- /dev/null
+++ b/js/htk/popup/style.scss
@@ -0,0 +1,36 @@
+
+.htk-popup {
+	z-index: 200;
+	display: block;
+	position: fixed;
+	overflow: hidden;
+	background-color: white;
+	border-radius: 10px;
+	box-shadow: 0 0 0.4em rgba(1, 1, 1, 0.6);
+	box-sizing: content-box;
+
+	&.modal {
+		position: relative;
+		font-size: 1.2em;
+		max-width: 100%;
+		max-height: 100%;
+	}
+	& > * {
+		border-radius: 0.1em;
+	}
+}
+.htk-background {
+	position: fixed;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	left: 0;
+	right: 0;
+	top: 0;
+	bottom: 0;
+	z-index: 190;
+	padding: 20px;
+	background-color: rgba(1, 1, 1, 0.7);
+	opacity: 0;
+	transition: opacity 200ms ease-in-out;
+}
diff --git a/js/htk/radio/index.js b/js/htk/radio/index.js
new file mode 100644
index 00000000..4c771a03
--- /dev/null
+++ b/js/htk/radio/index.js
@@ -0,0 +1,82 @@
+
+var RadioGroup = require('./radio-group');
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-radio'
+	,Properties: {
+		tip: {
+			type: String
+			,set: function(x) {
+				if (x)
+					this.node.title = _(x);
+			}
+		},
+		val: {
+			type: String
+			,get: function() {
+				return this._val;
+			}
+			,set: function(x) {
+				this._val = x;
+				this.node.value = !x ? '' : x;
+				this._onRadioGroupChange();
+			}
+		},
+		name: {
+			type: String
+			,get: function() {
+				return this.node.name;
+			}
+			,set: function(x) {
+				this.node.name = x;
+			}
+		},
+		radioGroup: {
+			type: RadioGroup
+			,get: function() {
+				return this._radioGroup;
+			}
+			,set: function(x) {
+				if (this._radioGroup)
+					this._radioGroup.removeButton(this);
+
+				this.link({_radioGroup: x}, {'changed': this._onRadioGroupChange});
+				this.node.name = x.name;
+				x.buttons.push(this);
+				this._onRadioGroupChange();
+			}
+		}
+	}
+	
+	,_radioGroup: null
+
+	,render: function() {
+		var radio = Vn.Browser.createRadio('', this.doc);
+		radio.checked = false;
+		radio.addEventListener('change', this._onChange.bind(this));
+		this._node = radio;
+	}
+
+	,_onChange: function() {
+		if (this.node.checked && this._radioGroup)
+			this._radioGroup.value = this._val || this.value;
+	}
+	
+	,_onRadioGroupChange: function() {
+		const value = this._radioGroup.value;
+		this.node.checked =
+			value && (value == this._val || value == this.value);
+	}
+
+	,putValue: function(value) {
+		if (!value)
+			this.node.value = '';
+		else
+			this.node.value = value;
+	}
+
+	,setEditable: function(editable) {
+		this.node.disabled = !editable;
+	}
+});
diff --git a/js/htk/field/radio-group.js b/js/htk/radio/radio-group.js
similarity index 65%
rename from js/htk/field/radio-group.js
rename to js/htk/radio/radio-group.js
index 9ed79344..59673b4f 100644
--- a/js/htk/field/radio-group.js
+++ b/js/htk/radio/radio-group.js
@@ -1,35 +1,30 @@
 
 var htkRadioGroupUid = 0;
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Htk.Field
 	,Tag: 'htk-radio-group'
 	
 	,radioLock: false
 
-	,initialize: function (props)
-	{
-		this.clear ();
-		this.parent (props);
+	,initialize: function(props) {
+		this.clear();
+		Htk.Field.prototype.initialize.call(this, props);
 	}
 	
-	,clear: function ()
-	{
+	,clear: function() {
 		this.name = htkRadioGroupUid++;
 		this.buttons = [];
 	}
 	
-	,createButton: function (value)
-	{
-		var button = Vn.Browser.createRadio (this.name, this.doc);
+	,createButton: function(value) {
+		var button = Vn.Browser.createRadio(this.name, this.doc);
 		button.value = value;
 		button.radioGroup = this;
 		return button;
 	}
 
-	,removeButton: function (button)
-	{
+	,removeButton: function(button) {
 		for (var i = 0; i < this.buttons.length; i++)
 			if (this.buttons === button) {
 				this.buttons.splice(i, 1);
@@ -40,7 +35,7 @@ module.exports = new Class
 	/**
 	 * @return %true if there is an option selected, otherwise it returns %false
 	 */
-	,isSelected: function () {
+	,isSelected: function() {
 		for (var i = 0; i < this.buttons.length; i++)
 			if (this.buttons[i].value == this.value)
 				return true;
diff --git a/js/htk/repeater.js b/js/htk/repeater.js
deleted file mode 100644
index 5b3f89f8..00000000
--- a/js/htk/repeater.js
+++ /dev/null
@@ -1,267 +0,0 @@
-
-var Widget = require ('./widget');
-
-module.exports = new Class
-({
-	Extends: Widget
-	,Tag: 'htk-repeater'
-	,Child: 'model'
-	,Properties:
-	{
-		/**
-		 * The source data model.
-		 **/
-		model:
-		{
-			type: Db.Model
-			,set: function (x)
-			{
-				this.link ({_model: x},
-				{
-					 'status-changed': this._onModelChange
-					,'row-deleted': this._onRowDelete
-					,'row-updated': this._onRowUpdate
-					,'row-inserted': this._onRowInsert
-				});
-				
-				this._onModelChange ();
-			}
-			,get: function ()
-			{
-				this._model;
-			}
-		}
-		/**
-		 * The identifier for internal iterator.
-		 **/
-		,formId:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._formId = x;
-			}
-			,get: function ()
-			{
-				this._formId;
-			}
-		}
-		/**
-		 * {Function (Vn.BuilderResult, Db.Form)} Function to call after every
-		 * box rendering.
-		 **/
-		,renderer:
-		{
-			type: Function
-			,set: function (x)
-			{
-				this._renderer = x;
-			}
-			,get: function ()
-			{
-				this._renderer;
-			}
-		}
-		/**
-		 * Wether to show the model status.
-		 **/
-		,showStatus:
-		{
-			type: Boolean
-			,set: function (x)
-			{
-				this._showStatus = x;
-				this._onModelChange();
-			}
-			,get: function ()
-			{
-				this._showStatus;
-			}
-		}
-		/**
-		 * Message that should be displayed when source model is not ready.
-		 **/
-		,emptyMessage:
-		{
-			type: String
-			,value: null
-		}
-	}
-	
-	,_builder: null
-	,_formId: 'form'
-	,_showStatus: true
-	
-	,render: function ()
-	{
-		var div = this.createRoot ('div');
-		
-		this._container = this.createElement ('div');
-		this._container.className = 'htk-repeater';
-		div.appendChild (this._container);
-	}
-	
-	,loadXml: function (builderResult, node)
-	{
-		this.parent (builderResult, node);
-
-		var builder = this._builder = new Vn.Builder ();
-		builder.setParent (builderResult);
-		builder.loadXmlFromNode (node.firstElementChild);
-
-		this._onModelChange ();
-	}
-	
-	,getChild: function (index)
-	{
-		return this._container.childNodes[index];
-	}
-	
-	,getBuilder: function (index)
-	{
-		return this._childsData[index].builder;
-	}
-	
-	,getForm: function (index)
-	{
-		return this._childsData[index].set;
-	}
-	
-	,_buildBox: function (index)
-	{
-		var set = new Db.SimpleIterator ({
-			model: this._model,
-			row: index
-		});
-		
-		this._builder.add (this._formId, set);
-		var res = this._builder.load ();
-		res.link ();
-
-		this._childsData.push ({
-			builder: res,
-			set: set
-		});
-		
-		if (this._renderer)
-			this._renderer (res, set);
-			
-		return res.getMain ();
-	}
-
-	,_onModelChange: function ()
-	{
-		if (!this._model || !this._builder)
-			return;
-
-		this.node.removeChild (this._container);
-		Vn.Node.removeChilds (this._container);
-
-		this._freeChildsData ();
-		this._childsData = [];
-
-		switch (this._model.status)
-		{
-			case Db.Model.Status.READY:
-			{
-				for (var i = 0; i < this._model.numRows; i++)
-					this._container.appendChild (this._buildBox (i));
-
-				this._showNoRecordsFound ();
-				break;
-			}
-			case Db.Model.Status.LOADING:
-				this._showMessage (_('Loading'), null);
-				break;
-			case Db.Model.Status.CLEAN:
-			{	
-				var emptyMessage = this.emptyMessage ?
-					this.emptyMessage : _('NoData');
-				this._showMessage (emptyMessage, 'refresh');
-				break;
-			}
-			case Db.Model.Status.ERROR:
-				this._showMessage (_('ErrorLoadingData'), 'error');
-				break;
-		}
-	
-		this.node.appendChild (this._container);
-		this.signalEmit ('change');
-	}
-
-	,_showNoRecordsFound: function ()
-	{
-		if (this._model.numRows === 0)
-			this._showMessage (_('EmptyList'), 'clean');
-	}
-
-	,_showMessage: function (message, src)
-	{
-		if (!this._showStatus)
-			return;
-
-		var div =  this.createElement ('div');
-		div.className = 'message';
-		this._container.appendChild (div);
-		
-		if (src)
-		{
-			var img = this.createElement ('img');
-			img.alt = '';
-			img.src = 'image/icon/light/'+ src +'.svg';
-			div.appendChild (img);
-		}
-		else
-		{
-			var spinner = new Htk.Spinner ();
-			spinner.start ();
-			div.appendChild (spinner.node);
-		}
-		
-		div.appendChild (this.createTextNode (message));
-	}
-
-	,_onRowDelete: function (model, row)
-	{
-		Vn.Node.remove (this._container.childNodes[row]);
-		this._unrefChildData (row);
-		this._childsData.splice (row, 1);		
-		
-		for (var i = row; i < this._model.numRows; i++)
-			this._childsData[i].set.row = i;
-		
-		this._showNoRecordsFound ();
-	}
-
-	,_onRowUpdate: function (model, row)
-	{
-		this._childsData[row].set.iterChanged ();
-	}
-
-	,_onRowInsert: function (model, row)
-	{
-		var box = this._buildBox (row);
-		this._container.appendChild (box);
-	}
-	
-	,_freeChildsData: function ()
-	{
-		if (this._childsData)
-		for (var i = 0; i < this._childsData.length; i++)
-			this._unrefChildData (i);
-	}
-	
-	,_unrefChildData: function (index)
-	{
-		var childData = this._childsData[index];
-		childData.set.unref ();
-		childData.builder.unref ();
-	}
-	
-	,destroy: function ()
-	{
-		this._freeChildsData ();
-		this.parent ();
-	}
-});
-
diff --git a/js/htk/repeater/index.js b/js/htk/repeater/index.js
new file mode 100644
index 00000000..b7ce3f23
--- /dev/null
+++ b/js/htk/repeater/index.js
@@ -0,0 +1,231 @@
+require('./style.scss');
+var Component = require('vn/component');
+
+module.exports = new Class({
+	Extends: Component
+	,Tag: 'htk-repeater'
+	,Child: 'model'
+	,Properties: {
+		/**
+		 * The source data model.
+		 */
+		model: {
+			type: Db.Model
+			,set: function(x) {
+				this.link({_model: x}, {
+					 'status-changed': this._onModelChange
+					,'row-deleted': this._onRowDelete
+					,'row-updated': this._onRowUpdate
+					,'row-inserted': this._onRowInsert
+				});
+				
+				this._onModelChange();
+			}
+			,get: function() {
+				this._model;
+			}
+		}
+		/**
+		 * The identifier for internal iterator.
+		 */
+		,formId: {
+			type: String
+			,set: function(x) {
+				this._formId = x;
+			}
+			,get: function() {
+				this._formId;
+			}
+		}
+		/**
+		 * {Function (Vn.BuilderResult, Db.Form)} Function to call after every
+		 * box rendering.
+		 */
+		,renderer: {
+			type: Function
+			,set: function(x) {
+				this._renderer = x;
+			}
+			,get: function() {
+				this._renderer;
+			}
+		}
+		/**
+		 * Wether to show the model status.
+		 */
+		,showStatus: {
+			type: Boolean
+			,set: function(x) {
+				this._showStatus = x;
+				this._onModelChange();
+			}
+			,get: function() {
+				this._showStatus;
+			}
+		}
+		/**
+		 * Message that should be displayed when source model is not ready.
+		 */
+		,emptyMessage: {
+			type: String
+			,value: null
+		}
+	}
+	
+	,_builder: null
+	,_formId: 'form'
+	,_showStatus: true
+	
+	,render: function() {
+		var div = this.createRoot('div');
+		
+		this._container = this.createElement('div');
+		this._container.className = 'htk-repeater';
+		div.appendChild(this._container);
+	}
+	
+	,loadXml: function(scope, node) {
+		Component.prototype.loadXml.call(this, scope, node);
+		this._parentScope = scope;
+
+		var builder = this._builder = new Vn.Builder();
+		builder.compileNode(node.firstElementChild, [this._formId]);
+
+		this._onModelChange();
+	}
+	
+	,getChild: function(index) {
+		return this._container.childNodes[index];
+	}
+	
+	,getBuilder: function(index) {
+		return this._childsData[index].scope;
+	}
+	
+	,getForm: function(index) {
+		return this._childsData[index].set;
+	}
+	
+	,_buildBox: function(index) {
+		var set = new Db.SimpleIterator({
+			model: this._model,
+			row: index
+		});
+
+		var scope = this._builder.load(this.doc, null, this._parentScope);
+		scope.link({
+			$iter: set,
+			[this._formId]: set.getObject()
+		});
+
+		this._childsData.push({scope, set});
+		
+		if (this._renderer)
+			this._renderer(scope, set);
+			
+		return scope.getMain();
+	}
+
+	,_onModelChange: function() {
+		if (!this._model || !this._builder)
+			return;
+
+		this.node.removeChild(this._container);
+		Vn.Node.removeChilds(this._container);
+
+		this._freeChildsData();
+		this._childsData = [];
+
+		switch (this._model.status) {
+			case Db.Model.Status.READY:
+			{
+				for (var i = 0; i < this._model.numRows; i++)
+					this._container.appendChild(this._buildBox(i));
+
+				this._showNoRecordsFound();
+				break;
+			}
+			case Db.Model.Status.LOADING:
+				this._showMessage(_('Loading'), null);
+				break;
+			case Db.Model.Status.CLEAN:
+			{	
+				var emptyMessage = this.emptyMessage ?
+					this.emptyMessage : _('NoData');
+				this._showMessage(emptyMessage, 'refresh');
+				break;
+			}
+			case Db.Model.Status.ERROR:
+				this._showMessage(_('ErrorLoadingData'), 'error');
+				break;
+		}
+	
+		this.node.appendChild(this._container);
+		this.emit('change');
+	}
+
+	,_showNoRecordsFound: function() {
+		if (this._model.numRows === 0)
+			this._showMessage(_('EmptyList'), 'block');
+	}
+
+	,_showMessage: function(message, src) {
+		if (!this._showStatus)
+			return;
+
+		var div =  this.createElement('div');
+		div.className = 'message';
+		this._container.appendChild(div);
+		
+		if (src) {
+			const icon = new Htk.Icon({
+				name: src
+			});
+			div.appendChild(icon.node);
+		} else {
+			var spinner = new Htk.Spinner();
+			spinner.start();
+			div.appendChild(spinner.node);
+		}
+		
+		div.appendChild(this.createTextNode(message));
+	}
+
+	,_onRowDelete: function(model, row) {
+		Vn.Node.remove(this._container.childNodes[row]);
+		this._unrefChildData(row);
+		this._childsData.splice(row, 1);		
+		
+		for (var i = row; i < this._model.numRows; i++)
+			this._childsData[i].set.row = i;
+		
+		this._showNoRecordsFound();
+	}
+
+	,_onRowUpdate: function(model, row) {
+		this._childsData[row].set.iterChanged();
+	}
+
+	,_onRowInsert: function(model, row) {
+		var box = this._buildBox(row);
+		this._container.appendChild(box);
+	}
+	
+	,_freeChildsData: function() {
+		if (this._childsData)
+		for (var i = 0; i < this._childsData.length; i++)
+			this._unrefChildData(i);
+	}
+	
+	,_unrefChildData: function(index) {
+		var childData = this._childsData[index];
+		childData.set.unref();
+		childData.scope.unref();
+	}
+	
+	,destroy: function() {
+		this._freeChildsData();
+		Component.prototype.destroy.call(this);
+	}
+});
+
diff --git a/js/htk/repeater/style.scss b/js/htk/repeater/style.scss
new file mode 100644
index 00000000..fc353a74
--- /dev/null
+++ b/js/htk/repeater/style.scss
@@ -0,0 +1,16 @@
+
+.htk-repeater {
+	& > .message {
+		padding: 1.5em;
+		text-align: center;
+
+		& > * {
+			vertical-align: middle;
+		}
+		& > span,
+		& > .htk-spinner {
+			display: inline-block;
+			padding-right: 10px;
+		}
+	}
+}
diff --git a/js/htk/field/search-entry.js b/js/htk/search-entry/index.js
similarity index 51%
rename from js/htk/field/search-entry.js
rename to js/htk/search-entry/index.js
index 62ac2268..c2b91fa0 100644
--- a/js/htk/field/search-entry.js
+++ b/js/htk/search-entry/index.js
@@ -1,32 +1,30 @@
+require('./style.scss');
 
-module.exports = new Class
-({
+module.exports = new Class({
 	Extends: Htk.Field
 	,Tag: 'htk-search-entry'
 	
-	,render: function ()
-	{
-		var div = this.createRoot ('div');
+	,render: function() {
+		var div = this.createRoot('div');
 		div.className = 'htk-search-entry';
 		
-		var icon = new Htk.Icon ({
-			icon: 'search',
+		var icon = new Htk.Icon({
+			name: 'search',
 			alt: _('Search')
 		});
-		div.appendChild (icon.node);
+		div.appendChild(icon.node);
 		
-		var input = this.createElement ('input');
+		var input = this.createElement('input');
 		input.className = 'entry';
 		input.type = 'text';
 		input.placeholder = _('Search');
-		input.addEventListener ('change', this._onChange.bind (this));
-		div.appendChild (input);
+		input.addEventListener('change', this._onChange.bind(this));
+		div.appendChild(input);
 
 		this._input = input;
 	}
 
-	,_onChange: function (event)
-	{
+	,_onChange: function() {
 		var newValue;
 	
 		if (this._input.value === '')
@@ -34,19 +32,17 @@ module.exports = new Class
 		else
 			newValue = this._input.value;
 
-		this.valueChanged (newValue);
+		this.valueChanged(newValue);
 	}
 
-	,putValue: function (value)
-	{
+	,putValue: function(value) {
 		if (!value)
 			this._input.value = '';
 		else
 			this._input.value = value;
 	}
 
-	,setEditable: function (editable)
-	{
+	,setEditable: function(editable) {
 		this.node.readOnly = !editable;
 	}
 });
diff --git a/js/htk/search-entry/style.scss b/js/htk/search-entry/style.scss
new file mode 100644
index 00000000..071f7d32
--- /dev/null
+++ b/js/htk/search-entry/style.scss
@@ -0,0 +1,33 @@
+
+.htk-search-entry {
+	display: flex;
+	align-items: center;
+	gap: 6px;
+	background-color: white;
+	height: 40px;
+	border-radius: 20px;
+	padding: 0 12px;
+	overflow: hidden;
+
+	& > * {
+		display: inline-block;
+		vertical-align: middle;
+	}
+	& > .htk-icon {
+		display: block;
+		margin: 0;
+		color: gray;
+	}
+	& > .entry {
+		margin: 0;
+		border: none;
+		width: 80px;
+		box-shadow: none;
+		padding-right: 0;
+		padding-left: 0;
+		height: inherit;
+	}
+	& > .entry:focus {
+		background-color: initial;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/select/index.js b/js/htk/select/index.js
new file mode 100644
index 00000000..341c3b3b
--- /dev/null
+++ b/js/htk/select/index.js
@@ -0,0 +1,259 @@
+require('./style.scss');
+var ColumnText = require('../columns/text');
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Implements: Db.Iterator
+	,Tag: 'htk-combo'
+	,Properties: {
+		/**
+		 * The model associated to this form.
+		 */
+		model: {
+			type: Db.Model
+			,set: function(x) {
+				this.link({_model: x}, {'status-changed-after': this._onModelChange});
+				this._onModelChange();
+			}
+			,get: function() {
+				return this._model;
+			}
+		},
+		/**
+		 * The row where the form positioned, has -1 if the row is unselected.
+		 */
+		row: {
+			type: Number
+			,set: function(x) {
+				if (!this._model || this._model.numRows <= x || x < -1)
+					x = -1;
+				if (x == this._row)
+					return;
+
+				this._row = x;
+				this.iterChanged();
+			}
+			,get: function() {
+				return this._row;
+			}
+		},
+		/**
+		 * The number of rows in the form.
+		 */
+		numRows:{
+			type: Number
+			,get: function() {
+				if (this._model)
+					return this._model.numRows;
+
+				return 0;
+			}
+		},
+		/**
+		 * Checks if the form data is ready.
+		 */
+		ready:{
+			type: Boolean
+			,get: function() {
+				return this._model && this._model.ready;
+			}
+		},
+		/**
+		 * Checks if the form data is ready.
+		 */
+		placeholder:{
+			type: String
+			,set: function(x) {
+				this._placeholder = x;
+				this._refreshShowText(x);
+			}
+			,get: function() {
+				return this._placeholder;
+			}
+		},
+		/**
+		 * Wether to allow null values.
+		 */
+		notNull:{
+			type: Boolean
+			,set: function(x) {
+				this._notNull = x;
+			}
+			,get: function() {
+				return this._notNull;
+			}
+		},
+		/**
+		 * The row object.
+		 */
+		$: {
+			type: Object
+			,get: function() {
+				return this._model.getObject(this._row) || {};
+			}
+		},
+		params: {
+			type: Object
+			,get: function() {
+				return this.$;
+			}
+		}
+	}
+	
+	,_row: -1
+	,_model: null
+	,valueColumnIndex: 0
+	,valueColumnName: null
+	,showColumnIndex: 1
+	,showColumnName: null
+	,_notNull: true
+	,_webkitRefresh: false
+
+	,render: function() {
+		const button = this.createRoot('button');
+		button.type = 'button';
+		button.classList.add('input');
+		button.addEventListener('mousedown',
+			e => this._onButtonMouseDown(e));
+
+		this.label = this.createElement('span');
+		button.appendChild(this.label);
+
+		const erase = new Htk.Icon({
+			name: 'close',
+			title: _('Erase')
+		});
+		erase.classList.add('erase');
+		erase.addEventListener('mousedown',
+			e => this._onEraseMouseDown(e));
+		button.appendChild(erase.node);
+
+		const dropDown = new Htk.Icon({
+			name: 'expand_more'
+		});
+		button.appendChild(dropDown.node);
+	}
+	
+	,_setRow: function(row) {
+		this._row = row;
+		this._refreshShowText();
+		this.iterChanged();
+	}
+
+	,_onEraseMouseDown(event) {
+		if (event.defaultPrevented) return;
+		event.preventDefault();
+		this._setRow(-1);
+		this.valueChanged(undefined);
+	}
+	
+	,_onButtonMouseDown: function(event) {
+		if (this._popup) {
+			this._popup.hide();
+			return;
+		}
+
+		if (event.defaultPrevented) return;
+		event.preventDefault();
+	
+		var model = this._model;
+
+		var menu = this.createElement('div');
+		menu.className = 'htk-select-menu';
+		
+		var grid = new Htk.Grid({showHeader: false});
+		menu.appendChild(grid.node);
+		
+		var gridNode = grid.node;
+		gridNode.addEventListener('click', this._onGridClicked.bind(this, grid));
+		
+		var column = new ColumnText({columnIndex: this.showColumnIndex});
+		grid.appendColumn(column);
+		grid.model = model;
+		
+		var popup = this._popup = new Htk.Popup({childNode: menu});
+		popup.on('closed', this._onPopupClose.bind(this));
+		popup.show(this.node, event);
+
+		this.emit('menu-show');
+	}
+	
+	,_onGridClicked: function(grid, e) {
+		let cell;
+		let target = e.target;
+		
+		while (target !== grid.tbody) {
+			cell = target;
+			target = target.parentNode;
+		}
+
+		if (!cell) return;
+
+		let value;
+		const row = cell.rowIndex - 1;
+
+		if (row >= 0)
+			value = this._model.getByIndex(row, this.valueColumnIndex);
+		else
+			value = null;
+
+		this._setRow(row);
+		this.valueChanged(value);
+		this._popup.hide();
+		
+		e.stopPropagation();
+	}
+	
+	,_onPopupClose: function() {
+		this._popup = null;
+		this.emit('menu-hide');
+	}
+	
+	,_refreshShowText: function() {
+		var model = this._model;
+	
+		if (this._row !== -1)
+			var showText = model.getByIndex(this._row, this.showColumnIndex);
+		else if (model && model.status === Db.Model.Status.LOADING)
+			var showText = _('Loading...');
+		else if (this._placeholder)
+			var showText = this._placeholder;
+		else
+			var showText = '';
+
+		Vn.Node.setText(this.label, showText);
+	}
+	
+	,_onModelChange: function() {
+		var model = this._model;
+		this.emit('status-changed');
+		
+		if (this._popup)
+			this._popup.reset();
+
+		if (model && model.ready) {
+			this._selectOption();
+			this.emit('ready');
+		} else
+			this._setRow(-1);
+	}
+	
+	,setEditable: function(editable) {
+		this.node.disabled = !editable;
+	}
+
+	,_selectOption: function() {
+		var row;
+	
+		if (this._model && this._model.ready)
+			row = this._model.searchByIndex(this.valueColumnIndex, this._value);
+		else
+			row = -1;
+
+		this._setRow(row);
+	}
+
+	,putValue: function() {
+		this._selectOption();
+	}
+});
diff --git a/js/htk/select/style.scss b/js/htk/select/style.scss
new file mode 100644
index 00000000..050534b0
--- /dev/null
+++ b/js/htk/select/style.scss
@@ -0,0 +1,53 @@
+@import "../style/variables";
+
+.htk-combo {
+	display: flex;
+	align-items: center;
+	font-weight: normal;
+	width: 100%;
+
+	& > span {
+		flex: 1;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+		overflow: hidden;
+	}
+	& > .htk-icon {
+		flex: none;
+		color: #666;
+
+		&.erase {
+			display: none
+		}
+	}
+	&:not(.filled) > span {
+		color: #666;
+	}
+	&.filled:hover > .htk-icon.erase {
+		display: block;
+	}
+}
+.htk-select-menu {
+	height: 100%;
+	max-height: 80em;
+	overflow: auto;
+	min-width: 14em;
+
+	tbody > tr {
+		border-top: none;
+		height: 2.5em;
+	}
+	td.message {
+		padding: 1em;
+	}
+	tr:hover {
+		background-color: rgba(1, 1, 1, 0.1);
+		cursor: pointer;
+	}
+	td {
+		max-width: 11em;
+		overflow: hidden;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/spin/index.js b/js/htk/spin/index.js
new file mode 100644
index 00000000..6032bacf
--- /dev/null
+++ b/js/htk/spin/index.js
@@ -0,0 +1,38 @@
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-spin'
+
+	,render: function() {
+		var input = this.createRoot('input');
+		this.node.type = 'number';
+		input.addEventListener('change', this._onChange.bind(this));
+
+		this.unit = null;
+		this.digits = 0;
+	}
+
+	,_onChange: function() {
+		var newValue = (this.node.value == '') ? null : parseFloat(this.node.value);
+		this.node.value = newValue;
+		this.valueChanged(newValue);
+	}
+
+	,putValue: function(value) {
+		var text;
+		
+		if (value != null) {
+			text = (new Number(value)).toFixed(this.digits);
+		
+			if (this.unit != null)
+				text += ' ' + this.unit;
+		} else
+			text = '';
+	
+		this.node.value = text;
+	}
+
+	,setEditable: function(editable) {
+		this.node.readOnly = !editable;
+	}
+});
diff --git a/js/htk/spinner.js b/js/htk/spinner.js
deleted file mode 100644
index f7edcd39..00000000
--- a/js/htk/spinner.js
+++ /dev/null
@@ -1,38 +0,0 @@
-
-var Widget = require ('./widget');
-
-module.exports = new Class
-({
-	Extends: Widget
-	,Tag: 'htk-spinner'
-	
-	,_started: false
-
-	,render: function ()
-	{
-		var loader = this.createRoot ('div');
-		loader.className = 'htk-spinner';
-		
-		var spin = this.spin = this.createElement ('div');
-		loader.appendChild (spin);
-	}
-	
-	,start: function ()
-	{
-		if (this._started)
-			return;
-	
-		Vn.Node.addClass (this.spin, 'spinner');
-		this._started = true;
-	}
-	
-	,stop: function ()
-	{
-		if (!this._started)
-			return;
-
-		Vn.Node.removeClass (this.spin, 'spinner');
-		this._started = false;
-	}
-});
-
diff --git a/js/htk/spinner/index.js b/js/htk/spinner/index.js
new file mode 100644
index 00000000..b95fadc3
--- /dev/null
+++ b/js/htk/spinner/index.js
@@ -0,0 +1,33 @@
+require('./style.scss');
+var Component = require('vn/component');
+
+module.exports = new Class({
+	Extends: Component
+	,Tag: 'htk-spinner'
+	
+	,_started: false
+
+	,render: function() {
+		var loader = this.createRoot('div');
+		
+		var spin = this.spin = this.createElement('div');
+		loader.appendChild(spin);
+	}
+	
+	,start: function() {
+		if (this._started)
+			return;
+	
+		Vn.Node.addClass(this.spin, 'spinner');
+		this._started = true;
+	}
+	
+	,stop: function() {
+		if (!this._started)
+			return;
+
+		Vn.Node.removeClass(this.spin, 'spinner');
+		this._started = false;
+	}
+});
+
diff --git a/js/htk/spinner/style.scss b/js/htk/spinner/style.scss
new file mode 100644
index 00000000..df630787
--- /dev/null
+++ b/js/htk/spinner/style.scss
@@ -0,0 +1,31 @@
+
+.htk-spinner {
+	width: 1.8em;
+	height: 1.8em;
+	position: relative;
+	display: inline-block;
+
+	& > .spinner {
+		left: 0;
+		position: absolute;
+		width: inherit;
+		height: inherit;
+		box-sizing: border-box;
+		border-radius: 50%;
+		border: 2px solid transparent;
+		border-top-color: #666;
+		border-left-color: #666;
+		animation: spinner 1s linear infinite;
+		-webkit-animation: spinner 1s linear infinite;
+	}
+	&.dark > .spinner {
+		border-top-color: white;
+		border-left-color: white;
+	}
+}
+@keyframes spinner {
+	to {transform: rotate(360deg);}
+}
+@-webkit-keyframes spinner {
+	to {-webkit-transform: rotate(360deg);}
+}
diff --git a/js/htk/step.js b/js/htk/step/index.js
similarity index 78%
rename from js/htk/step.js
rename to js/htk/step/index.js
index 724266a4..3da1bfd4 100644
--- a/js/htk/step.js
+++ b/js/htk/step/index.js
@@ -1,8 +1,8 @@
 
-var Widget = require('./widget');
+var Component = require('vn/component');
 
 module.exports = new Class({
-	Extends: Widget,
+	Extends: Component,
 	Tag: 'htk-step',
 	Properties: {
 		name: {
@@ -20,9 +20,8 @@ module.exports = new Class({
 	},
 
 	initialize: function(props) {
-		var node = this.createRoot('div');
-		node.className = 'htk-step';
-		this.parent(props);
+		Component.prototype.initialize.call(this, props);
+		this.createRoot('div');
 	},
 
 	show: function() {
@@ -42,7 +41,7 @@ module.exports = new Class({
 	},
 
 	appendChild: function(child) {
-		if (child instanceof Widget)
+		if (child instanceof Component)
 			child = child.node;
 		this.node.appendChild(child);
 	}
diff --git a/js/htk/style.css b/js/htk/style.css
deleted file mode 100644
index cc3676f4..00000000
--- a/js/htk/style.css
+++ /dev/null
@@ -1,661 +0,0 @@
-
-/* Grid */
-
-.htk-grid
-{
-	margin: auto;
-	border-collapse: collapse;
-}
-.htk-grid > thead > tr,
-.htk-grid > tfoot > tr
-{
-	background-color:  #009688;
-	vertical-align: middle;
-	height: 3em;
-}
-.htk-grid th
-{
-	color: white;
-	cursor: pointer;
-	font-weight: normal;
-	padding: 0 0.4em;
-}
-.htk-grid th:hover
-{
-	background-color: rgba(1, 1, 1, 0.2);
-}
-.htk-grid tr
-{
-	height: 3.5em;
-}
-.htk-grid > tfoot a,
-.htk-grid > thead a
-{
-	color: black;
-}
-.htk-grid tr.pair-row
-{
-	background-color: transparent;
-}
-.htk-grid > tbody tr
-{
-	border-top: 1px solid #DDD;
-}
-.htk-grid > tbody tr:first-child
-{
-	border-top: none;
-}
-.htk-grid > tbody td
-{
-	margin: 0;
-	padding: 0 0.5em;
-}
-.htk-grid th,
-.htk-grid td
-{
-	text-align: left;
-}
-.htk-grid td:first-child,
-.htk-grid th:first-child
-{
-	padding-left: 1em;
-}
-.htk-grid td:last-child,
-.htk-grid th:last-child
-{
-	padding-right: 1em;
-}
-.htk-grid .message
-{
-	padding: 1.5em;
-	text-align: center;
-}
-.htk-grid .message > *
-{
-	display: inline-block;
-	vertical-align: middle;
-	padding-right: 0.8em;
-}
-.htk-grid .message > img
-{
-	height: 1.8em;
-}
-
-/* Grid cells */
-
-th.cell-spin
-{
-	text-align: right;
-}
-td.cell-spin
-{
-	width: 2.5em;
-	text-align: right;
-}
-th.cell-check,
-th.cell-radio
-{
-	text-align: center;
-}
-td.cell-button
-{
-	max-width: 1em;
-	text-align: center;
-}
-td.cell-button > button,
-td.cell-button > a
-{
-	display: inline-block;
-	margin: 0 auto;
-	padding: .5em;
-	border: none;
-	background-color: transparent;
-	border-radius: .1em;
-	box-sizing: border-box;
-}
-td.cell-button > button:hover,
-td.cell-button > a:hover
-{
-	background-color: rgba(1, 1, 1, 0.1);
-}
-td.cell-button img
-{
-	height: 1.5em;
-	width: 1.5em;
-	display: block;
-	margin: auto;
-	padding: 0;
-}
-td.cell-image
-{
-	text-align: center;
-}
-td.cell-image .htk-image
-{
-	max-width: 2.5em;
-	max-height: 2.5em;
-	display: block;
-	margin: auto;
-}
-
-/* Select */
-
-.htk-select
-{
-	width: 100%;
-	height: 2em;
-	text-align: left;
-}
-.htk-select-menu
-{
-	height: 100%;
-	max-height: 80em;
-	overflow: auto;
-	min-width: 14em;
-}
-.htk-select-menu tbody > tr
-{
-	border-top: none;
-	height: 2.5em;
-}
-.htk-select-menu td.message
-{
-	padding: 1em;
-}
-.htk-select-menu tr:hover
-{
-	background-color: rgba(1, 1, 1, 0.1);
-	cursor: pointer;
-}
-.htk-select-menu td
-{
-	max-width: 11em;
-	overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
-}
-
-/* Button */
-
-.htk-button > span
-{
-	margin-left: .5em;
-}
-
-/* Repater */
-
-.htk-repeater > .message
-{
-	padding: 1.5em;
-	text-align: center;
-}
-.htk-repeater > .message > *
-{
-	vertical-align: middle;
-}
-.htk-repeater > .message > img,
-.htk-repeater > .message > .htk-spinner
-{
-	display: inline-block;
-	padding-right: .8em;
-	height: 1.8em;
-}
-
-/* Calendar */
-
-.htk-calendar
-{
-	width: 20em;
-	background-color: white;
-	border: none;
-}
-.htk-calendar table
-{
-	border-collapse: collapse;
-}
-.htk-calendar thead tr,
-.htk-calendar tfoot tr
-{
-	background-color: #009688;
-	color: white;
-	font-weight: normal;
-	vertical-align: middle;
-	text-align: center;
-	height: 3em;
-}
-.htk-calendar thead span
-{
-	color: white;
-}
-.htk-calendar thead tr
-{
-	border-bottom: none;
-}
-.htk-calendar tfoot tr
-{
-	border-top: none;
-}
-.htk-calendar th.button
-{
-	display: table-cell;
-}
-.htk-calendar th.button:hover
-{
-	cursor: pointer;
-	background-color: rgba(1, 1, 1, 0.2);
-}
-.htk-calendar col
-{
-	width: 14.2%;
-}
-.htk-calendar tr
-{
-	height: 2em;
-}
-.htk-calendar tbody td
-{
-	text-align: right;
-}
-.htk-calendar tbody td > div
-{
-	height: 2em;
-	width: 2em;
-	line-height: 2em;
-	text-align: center;
-	border-radius: 2em;
-	padding: 0.3em;
-	margin: 0 auto;
-	color: #555;
-}
-.htk-calendar div.disabled
-{
-	color: #999;
-}
-.htk-calendar div.today
-{
-	font-weight: bold;
-	color: black;
-}
-.htk-calendar div.selected
-{
-	color: white;
-	background-color: #009688;
-}
-.htk-calendar div.enabled:hover
-{
-	cursor: pointer;
-	background-color: #008678;
-	color: white;
-}
-
-/* Image */
-
-.htk-image
-{
-	position: relative;
-	overflow: hidden;
-}
-.htk-image.clickable:hover
-{
-	cursor: pointer;
-	opacity: 0.85;
-}
-.htk-image > img
-{
-	display: block;
-	height: 100%;
-	width: 100%;
-}
-.htk-image > button
-{
-	position: absolute;
-	top: 0;
-	left: 0;
-	margin: 0;
-	padding: .15em;
-	display: none;
-}
-.htk-image:hover > button
-{
-	display: block;
-}
-.htk-image > button > img
-{
-	display: block;
-	height: 1.2em;
-	height: 1.2em;
-}
-
-/* Full image */
-
-.htk-full-image img
-{
-	display: block;
-	cursor: pointer;
-}
-.htk-full-image .htk-spinner
-{
-	background-color: #FFF;
-	margin: .6em;
-	display: block;
-}
-
-/* Image editor */
-
-.htk-image-editor
-{
-	width: 18em;
-	margin: 0 auto;
-	padding: 1.5em;
-}
-.htk-image-editor h2
-{
-	color: white;
-	background-color: #009688;
-	text-align: left;
-	font-size: 1.3em;
-	line-height: 1.7em;
-	font-weight: normal;
-	padding: 0.6em 0.8em;
-	margin: 0;
-}
-.htk-image-editor iframe
-{
-	display: none;
-}
-.htk-image-editor .footer
-{
-	margin-top: 2em;
-}
-.htk-image-editor .footer > .htk-spinner
-{
-	padding-right: 1.2em;
-	height: 1.3em;
-	width: 1.3em;
-}
-.htk-image-editor .footer > .htk-spinner,
-.htk-image-editor .footer > input
-{
-	float: right;
-}
-
-/* Toast */
-
-.htk-toast
-{
-	z-index: 210;
-	display: block;
-	position: fixed;
-	left: 50%;
-	top: 4em;
-	width: 21em;
-	margin-left: -10.5em;
-	text-align: center;
-	overflow: auto;
-	max-height: 40em;
-	overflow: visible;
-}
-.htk-toast > div
-{
-	margin: .5em 0;
-	padding: .5em 2%;
-	border-radius: 0.1em;
-	box-shadow: 0 0 0.4em rgba(1, 1, 1, 0.6);
-	width: 96%;
-
-	opacity: 0;
-	transform: translateZ(0) translateY(-1em);
-	-webkit-transform: translateZ(0) translateY(-1em);
-
-	transition-property: opacity, transform;
-	transition-duration: 200ms;
-	transition-timing-function: ease-out;
-}
-.htk-toast > div.show
-{
-	opacity: 1;
-	transform: translateZ(0) translateY(0em);
-	-webkit-transform: translateZ(0) translateY(0em);
-}
-.htk-toast > .message
-{
-	background-color: #BBFFBB;
-	color: #363;
-}
-.htk-toast > .warning
-{
-	background-color: #FFE0B2;
-	color: #C30;
-}
-.htk-toast > .error
-{
-	background-color: #FFCDD2;
-	color: #A00;
-}
-
-/* Popup */
-
-.htk-background
-{
-	position: fixed;
-	left: 0;
-	right: 0;
-	top: 0;
-	bottom: 0;
-	z-index: 190;
-	background-color: rgba(1, 1, 1, 0.7);
-	opacity: 0;
-	transition: opacity 200ms ease-in-out;
-}
-.htk-popup
-{
-	z-index: 200;
-	display: block;
-	position: fixed;
-	overflow: hidden;
-	background-color: white;
-	border-radius: 0.15em;
-	box-shadow: 0 0 0.4em rgba(1, 1, 1, 0.6);
-	box-sizing: content-box;
-}
-.htk-popup.modal
-{
-	position: absolute;
-	font-size: 1.2em;
-	top: 50%;
-	left: 50%;
-}
-.htk-popup > *
-{
-	border-radius: 0.1em;
-}
-
-/* Dialog */
-
-.htk-dialog
-{
-	padding: 1.5em;
-	max-width: 20em;
-	font-weight: normal;
-	color: #555;
-}
-.htk-dialog p
-{
-	margin: 0;
-}
-.htk-dialog img
-{
-	float: left;
-	height: 3em;
-	margin-top: 0;
-	margin-right: 1em;
-}
-.htk-dialog p
-{
-	padding: 0;
-}
-.htk-dialog .button-bar > button
-{
-	float: right;
-	margin-left: 1em;
-	margin-top: .5em;
-}
-
-/* Assistant */
-
-.htk-assistant > div
-{
-	display: none;
-}
-.htk-assistant > div > h2
-{
-	text-align: center;
-	font-style: italic;
-	font-weight: normal;
-	font-size: 1.5em;
-	margin: 0;
-	padding: 0;
-	margin-bottom: 1em;
-}
-.htk-assistant *
-{
-	color: #555;
-}
-
-/* Assistant bar */
-
-.htk-assistant-bar
-{
-	position: relative;
-	padding: .8em;
-	display: flex;
-	align-items: center;
-	justify-content: space-between;
-	box-sizing: border-box;
-	width: 100%;
-}
-.htk-assistant-bar > button
-{
-	border-radius: 50%;
-	padding: 0;
-	margin: 0;
-}
-.htk-assistant-bar > .end
-{
-	display: none;
-}
-.htk-assistant-bar > button > img
-{
-	display: block;
-	width: 1.8em;
-	padding: .5em;
-}
-.htk-assistant-bar > .steps
-{
-	display: flex;
-	align-items: center;
-}
-.htk-assistant-bar > .steps > div {
-	background-color: #AAA;
-	width: .5em;
-	height: .5em;
-	cursor: pointer;
-	border-radius: 50%;
-	margin: .5em;
-
-	transition-property: width, height;
-	transition-duration: 100ms;
-	transition-timing-function: ease-in-out;
-}
-.htk-assistant-bar > .steps > div.selected {
-	background-color: #666;
-	width: 1em;
-	height: 1em;
-}
-.htk-assistant-bar > .steps > div:hover {
-	opacity: .7;
-}
-.htk-assistant-bar > .steps > img
-{
-	width: 1.3em;
-	margin: 0 .2em;
-	cursor: pointer;
-}
-.htk-assistant-bar > .steps > img:hover
-{
-	opacity: .7;
-}
-
-/* Search entry */
-
-.htk-search-entry
-{
-	background-color: white;
-	height: 2.2em;
-}
-.htk-search-entry > *
-{
-	display: inline-block;
-	vertical-align: middle;
-}
-.htk-search-entry > img
-{
-	margin: 0;
-	height: 1.5em;
-	margin: 0 .4em;
-}
-.htk-search-entry > .entry
-{
-	margin: 0;
-	border: none;
-	width: 8em;
-	box-shadow: none;
-}
-.htk-search-entry > .entry:focus
-{
-	background-color: initial;
-}
-
-/* Spinner */
-
-.htk-spinner
-{
-	width: 1.8em;
-	height: 1.8em;
-	position: relative;
-	display: inline-block;
-}
-.htk-spinner > .spinner
-{
-	left: 0;
-	position: absolute;
-	width: inherit;
-	height: inherit;
-	box-sizing: border-box;
-	border-radius: 50%;
-	border: .3em solid transparent;
-	border-top-color: #666;
-	border-left-color: #666;
-	animation: spinner 1s linear infinite;
-	-webkit-animation: spinner 1s linear infinite;
-}
-.htk-spinner.dark > .spinner
-{
-	border-top-color: white;
-	border-left-color: white;
-}
-@keyframes spinner
-{
-	to {transform: rotate(360deg);}
-}
-@-webkit-keyframes spinner
-{
-	to {-webkit-transform: rotate(360deg);}
-}
-
-/* Loader */
-
-.htk-loader > .spinner
-{
-	text-align: center;
-}
diff --git a/js/htk/style/classes.scss b/js/htk/style/classes.scss
new file mode 100644
index 00000000..c29384c7
--- /dev/null
+++ b/js/htk/style/classes.scss
@@ -0,0 +1,20 @@
+
+@import "variables";
+
+%box {
+	border-radius: .6em;
+	box-shadow: .05em .05em .2em rgba(0, 0, 0, .1);
+	overflow: hidden;
+	border: none;
+	background-color: white;
+}
+%clickable {
+	cursor: pointer;
+	transition: background-color 250ms ease-out;
+
+	&:hover,
+	&:focus {
+		background-color: $color-hover-cd;
+		outline: none;
+	}
+}
diff --git a/js/htk/style/index.scss b/js/htk/style/index.scss
new file mode 100644
index 00000000..6bd86f10
--- /dev/null
+++ b/js/htk/style/index.scss
@@ -0,0 +1,9 @@
+
+@import "./variables";
+@import "./classes";
+@import "./spacing";
+@import "./text";
+@import "./width";
+@import "./responsive";
+@import "./material-symbols";
+@import "./style";
diff --git a/js/htk/style/material-symbols.scss b/js/htk/style/material-symbols.scss
new file mode 100644
index 00000000..6c59713d
--- /dev/null
+++ b/js/htk/style/material-symbols.scss
@@ -0,0 +1,22 @@
+/* fallback */
+@font-face {
+	font-family: 'Material Symbols Rounded';
+	font-style: normal;
+	font-weight: 400;
+	src: url(./material-symbols.woff2) format('woff2');
+}
+.material-symbols-rounded {
+	font-family: 'Material Symbols Rounded';
+	font-weight: normal;
+	font-style: normal;
+	font-size: 24px;
+	line-height: 1;
+	letter-spacing: normal;
+	text-transform: none;
+	display: inline-block;
+	white-space: nowrap;
+	word-wrap: normal;
+	direction: ltr;
+	-moz-font-feature-settings: 'liga';
+	-moz-osx-font-smoothing: grayscale;
+}
diff --git a/js/htk/style/material-symbols.woff2 b/js/htk/style/material-symbols.woff2
new file mode 100644
index 00000000..e4c3b75c
Binary files /dev/null and b/js/htk/style/material-symbols.woff2 differ
diff --git a/js/htk/style/opensans.ttf b/js/htk/style/opensans.ttf
new file mode 100644
index 00000000..e21ff5f1
Binary files /dev/null and b/js/htk/style/opensans.ttf differ
diff --git a/js/htk/style/poppins.ttf b/js/htk/style/poppins.ttf
new file mode 100644
index 00000000..9f0c71b7
Binary files /dev/null and b/js/htk/style/poppins.ttf differ
diff --git a/js/htk/style/responsive.scss b/js/htk/style/responsive.scss
new file mode 100644
index 00000000..2454e214
--- /dev/null
+++ b/js/htk/style/responsive.scss
@@ -0,0 +1,54 @@
+
+
+/* Responsive */
+
+/* Standard */
+@media screen {
+	body { font-size: 14px; }
+}
+
+/* Desktop - Laptop 1360x768 */
+@media (max-resolution: 119dpi) and (min-device-width: 1340px) and (max-device-width: 1899px) {
+	body { font-size: 14px; }
+}
+
+/* Desktop - FHD 1920x1080 */
+@media (max-resolution: 119dpi) and (min-device-width: 1900px) {
+	body { font-size: 14px; }
+}
+
+/* Mobile - Low DPI */
+@media
+	(min-resolution: 120dpi),
+	(-webkit-min-device-pixel-ratio: 1.5) {
+	body { font-size: 14px; }
+}
+@media
+	(min-resolution: 144dpi),
+	(-webkit-min-device-pixel-ratio: 1.5) {
+	body { font-size: 14px; }
+}
+
+/* Mobile - Normal DPI */
+@media
+	(max-device-width: 383px) and (min-resolution: 192dpi),
+	(max-device-width: 383px) and (-webkit-min-device-pixel-ratio: 2) {
+	body { font-size: 14px; }
+}
+@media
+	(min-device-width: 384px) and (min-resolution: 192dpi),
+	(min-device-width: 384px) and (-webkit-min-device-pixel-ratio: 2) {
+	body { font-size: 14px; }
+}
+
+/* Mobile - High DPI */
+@media
+	(max-device-width: 411px) and (min-resolution: 249dpi),
+	(max-device-width: 411px) and (-webkit-min-device-pixel-ratio: 3) {
+	body { font-size: 14px; }
+}
+@media
+	(min-device-width: 414px) and (min-resolution: 249dpi),
+	(min-device-width: 414px) and (-webkit-min-device-pixel-ratio: 3) {
+	body { font-size: 14px; }
+}
diff --git a/js/hedera/roboto.ttf b/js/htk/style/roboto.ttf
similarity index 100%
rename from js/hedera/roboto.ttf
rename to js/htk/style/roboto.ttf
diff --git a/js/htk/style/spacing.scss b/js/htk/style/spacing.scss
new file mode 100644
index 00000000..35e3fa10
--- /dev/null
+++ b/js/htk/style/spacing.scss
@@ -0,0 +1,355 @@
+/**
+ * CSS spacing classes
+ *
+ * vn-[p|m][t|r|b|l|a|x|y]-[none|auto|xs|sm|md|lg|xl]
+ *      T         D                     S
+ * 
+ * T - type
+ *     - values: p (padding), m (margin)
+ * 
+ * D - direction
+ *     - values:
+ *             t (top), r (right), b (bottom), l (left),
+ *             a (all), x (both left & right), y (both top & bottom)
+ * 
+ * S - size
+ *     - values:
+ *             none,
+ *             auto (ONLY for specific margins: vn-ml-*, vn-mr-*, vn-mx-*),
+ *             xs (extra small),
+ *             sm (small),
+ *             md (medium),
+ *             lg (large),
+ *             xl (extra large)
+ */
+ 
+ @import "./variables";
+
+//++++++++++++++++++++++++++++++++++++++++++++++++ Padding
+
+// None
+
+.vn-pa-none {
+    padding: 0;
+}
+.vn-pl-none {
+    padding-left: 0;
+}
+.vn-pr-none {
+    padding-right: 0;
+}
+.vn-pt-none {
+    padding-top: 0;
+}
+.vn-pb-none {
+    padding-bottom: 0;
+}
+.vn-py-none {
+    padding-top: 0;
+    padding-bottom: 0;
+}
+.vn-px-none {
+    padding-left: 0;
+    padding-right: 0;
+}
+
+// Extra small
+
+.vn-pa-xs {
+    padding: $spacing-xs;
+}
+.vn-pl-xs {
+    padding-left: $spacing-xs;
+}
+.vn-pr-xs {
+    padding-right: $spacing-xs;
+}
+.vn-pt-xs {
+    padding-top: $spacing-xs;
+}
+.vn-pb-xs {
+    padding-bottom: $spacing-xs;
+}
+.vn-py-xs {
+    padding-top: $spacing-xs;
+    padding-bottom: $spacing-xs;
+}
+.vn-px-xs {
+    padding-left: $spacing-xs;
+    padding-right: $spacing-xs;
+}
+
+// Small
+
+.vn-pa-sm {
+        padding: $spacing-sm;
+}
+.vn-pl-sm {
+    padding-left: $spacing-sm;
+}
+.vn-pr-sm {
+    padding-right: $spacing-sm;
+}
+.vn-pt-sm {
+    padding-top: $spacing-sm;
+}
+.vn-pb-sm {
+    padding-bottom: $spacing-sm;
+}
+.vn-py-sm {
+    padding-top: $spacing-sm;
+    padding-bottom: $spacing-sm;
+}
+.vn-px-sm {
+    padding-left: $spacing-sm;
+    padding-right: $spacing-sm;
+}
+
+// Medium
+
+.vn-pa-md {
+    padding: $spacing-md;
+}
+.vn-pl-md {
+    padding-left: $spacing-md;
+}
+.vn-pr-md {
+    padding-right: $spacing-md;
+}
+.vn-pt-md {
+    padding-top: $spacing-md;
+}
+.vn-pb-md {
+    padding-bottom: $spacing-md;
+}
+.vn-py-md {
+    padding-top: $spacing-md;
+    padding-bottom: $spacing-md;
+}
+.vn-px-md {
+    padding-left: $spacing-md;
+    padding-right: $spacing-md;
+}
+
+// Large
+
+.vn-pa-lg {
+    padding: $spacing-lg;
+}
+.vn-pl-lg {
+    padding-left: $spacing-lg;
+}
+.vn-pr-lg {
+    padding-right: $spacing-lg;
+}
+.vn-pt-lg {
+    padding-top: $spacing-lg;
+}
+.vn-pb-lg {
+    padding-bottom: $spacing-lg;
+}
+.vn-py-lg {
+    padding-top: $spacing-lg;
+    padding-bottom: $spacing-lg;
+}
+.vn-px-lg {
+    padding-left: $spacing-lg;
+    padding-right: $spacing-lg;
+}
+
+// Extra large
+
+.vn-pa-xl {
+    padding: $spacing-xl;
+}
+.vn-pl-xl {
+    padding-left: $spacing-xl;
+}
+.vn-pr-xl {
+    padding-right: $spacing-xl;
+}
+.vn-pt-xl {
+    padding-top: $spacing-xl;
+}
+.vn-pb-xl {
+    padding-bottom: $spacing-xl;
+}
+.vn-py-xl {
+    padding-top: $spacing-xl;
+    padding-bottom: $spacing-xl;
+}
+.vn-px-xl {
+    padding-left: $spacing-xl;
+    padding-right: $spacing-xl;
+}
+
+//++++++++++++++++++++++++++++++++++++++++++++++++ Margin
+
+// None
+
+.vn-ma-none {
+    padding: 0;
+}
+.vn-ml-none {
+    padding-left: 0;
+}
+.vn-mr-none {
+    padding-right: 0;
+}
+.vn-mt-none {
+    padding-top: 0;
+}
+.vn-mb-none {
+    padding-bottom: 0;
+}
+.vn-my-none {
+    padding-top: 0;
+    padding-bottom: 0;
+}
+.vn-mx-none {
+    padding-left: 0;
+    padding-right: 0;
+}
+
+// Auto
+
+.vn-ml-none {
+    padding-left: auto;
+}
+.vn-mr-none {
+    padding-right: auto;
+}
+.vn-mx-none {
+    padding-left: auto;
+    padding-right: auto;
+}
+
+// Extra small
+
+.vn-ma-xs {
+    margin: $spacing-xs;
+}
+.vn-mt-xs {
+    margin-top: $spacing-xs;
+}
+.vn-ml-xs {
+    margin-left: $spacing-xs;
+}
+.vn-mr-xs {
+    margin-right: $spacing-xs;
+}
+.vn-mb-xs {
+    margin-bottom: $spacing-xs;
+}
+.vn-my-xs {
+    margin-top: $spacing-xs;
+    margin-bottom: $spacing-xs;
+}
+.vn-mx-xs {
+    margin-left: $spacing-xs;
+    margin-right: $spacing-xs;
+}
+
+// Small
+
+.vn-ma-sm {
+    margin: $spacing-sm;
+}
+.vn-mt-sm {
+    margin-top: $spacing-sm;
+}
+.vn-ml-sm {
+    margin-left: $spacing-sm;
+}
+.vn-mr-sm {
+    margin-right: $spacing-sm;
+}
+.vn-mb-sm {
+    margin-bottom: $spacing-sm;
+}
+.vn-my-sm {
+    margin-top: $spacing-sm;
+    margin-bottom: $spacing-sm;
+}
+.vn-mx-sm {
+    margin-left: $spacing-sm;
+    margin-right: $spacing-sm;
+}
+
+// Medium
+
+.vn-ma-md {
+    margin: $spacing-md;
+}
+.vn-mt-md {
+    margin-top: $spacing-md;
+}
+.vn-ml-md {
+    margin-left: $spacing-md;
+}
+.vn-mr-md {
+    margin-right: $spacing-md;
+}
+.vn-mb-md {
+    margin-bottom: $spacing-md;
+}
+.vn-my-md {
+    margin-top: $spacing-md;
+    margin-bottom: $spacing-md;
+}
+.vn-mx-md {
+    margin-left: $spacing-md;
+    margin-right: $spacing-md;
+}
+
+// Large
+
+.vn-ma-lg {
+    margin: $spacing-lg;
+}
+.vn-mt-lg {
+    margin-top: $spacing-lg;
+}
+.vn-ml-lg {
+    margin-left: $spacing-lg;
+}
+.vn-mr-lg {
+    margin-right: $spacing-lg;
+}
+.vn-mb-lg {
+    margin-bottom: $spacing-lg;
+}
+.vn-my-lg {
+    margin-top: $spacing-lg;
+    margin-bottom: $spacing-lg;
+}
+.vn-mx-lg {
+    margin-left: $spacing-lg;
+    margin-right: $spacing-lg;
+}
+
+/* Extra large */
+
+.vn-ma-xl {
+    margin: $spacing-xl;
+}
+.vn-mt-xl {
+    margin-top: $spacing-xl;
+}
+.vn-ml-xl {
+    margin-left: $spacing-xl;
+}
+.vn-mr-xl {
+    margin-right: $spacing-xl;
+}
+.vn-mb-xl {
+    margin-bottom: $spacing-xl;
+}
+.vn-my-xl {
+    margin-top: $spacing-xl;
+    margin-bottom: $spacing-xl;
+}
+.vn-mx-xl {
+    margin-left: $spacing-xl;
+    margin-right: $spacing-xl;
+}
diff --git a/js/htk/style/style.scss b/js/htk/style/style.scss
new file mode 100644
index 00000000..801b8cc6
--- /dev/null
+++ b/js/htk/style/style.scss
@@ -0,0 +1,314 @@
+
+@import "./classes";
+
+@font-face {
+	font-family: 'Poppins';
+	src: url('poppins.ttf') format('truetype');
+}
+@font-face {
+	font-family: 'Open Sans';
+	src: url('opensans.ttf') format('truetype');
+}
+
+/* Global */
+
+body {
+	font-family: 'Poppins', 'Verdana', 'Sans';
+	background-color: #FAFAFA;
+	color: #333;
+	position: absolute;
+	height: 100%;
+	width: 100%;
+	margin: 0;
+	overflow: auto;
+	z-index: -2;
+}
+label,
+button,
+input,
+select,
+textarea,
+option {
+	font-size: inherit;
+	font-family: inherit;
+	color: inherit;
+}
+iframe {
+	border: none;
+}
+fieldset {
+	margin: 0;
+}
+form {
+	padding: 0;
+	margin: 0;
+}
+table {
+	width: 100%;
+}
+a:link,
+a:visited,
+a:active {
+	color: inherit;
+	text-decoration: none;
+}
+a:hover {
+	text-decoration: none;
+	cursor: pointer;
+}
+a img {
+	padding: 1px;
+}
+a img:hover {
+	opacity: 0.9;
+}
+p {
+	margin: 0.8em 0;
+}
+
+/* Focus outline */
+
+a:focus {
+	outline: 1px solid rgba(1, 1, 1, 0.15);
+	-moz-outline-radius: .1em;
+}
+input:focus,
+button:focus {
+	outline: 0;
+}
+button::-moz-focus-inner,
+input[type=submit]::-moz-focus-inner,
+input[type=button]::-moz-focus-inner,
+input[type=reset]::-moz-focus-inner {
+	border: none;
+}
+select:-moz-focusring {
+/*	color: transparent;
+    text-shadow: 0 0 0 #333;*/
+}
+input:-webkit-autofill {
+	-webkit-box-shadow: inset 0 0 0px 9999px white;
+}
+
+/* Inputs */
+
+input[type=text],
+input[type=password],
+input[type=file],
+input[type=number],
+textarea,
+select,
+.input {
+	border: 1px solid #ddd;
+	transition: border-color 100ms ease-in;
+	margin: .2em 0;
+	box-sizing: border-box;
+	color: #333;
+	border-radius: 0;
+	text-align: left;
+	width: 100%;
+
+	&:focus {
+		border-color: #333;
+	}
+}
+input[type=text],
+input[type=password],
+input[type=file],
+input[type=number],
+textarea,
+.input,
+select {
+	padding: .8em;
+}
+input[type=text],
+input[type=password],
+input[type=file],
+input[type=number],
+select,
+.input {
+	height: 2.8em;
+}
+textarea {
+	height: 3.5em;
+	width: 20em;
+}
+input[type=text]:disabled {
+	background-color: #f3f3f3;
+}
+input[type=checkbox],
+input[type=radio] {
+	cursor: pointer;
+	margin: 0;
+	margin-right: 10px;
+}
+select {
+	@extend %clickable;
+	background-color: transparent;
+	-moz-appearance: none;
+	appearance: none;
+	line-height: 1em;
+}
+option {
+	padding: .4em;
+	border-width: 0;
+	font-weight: normal;
+	font-size: 1em;
+}
+select,
+option {
+	cursor: pointer;
+}
+
+/* Buttons */
+
+input[type=submit],
+input[type=button],
+input[type=reset],
+button,
+.button {
+	@extend %clickable;
+	border: none;
+	background-color: transparent;
+	padding: 8px;
+	border-radius: 22px;
+	font-weight: normal;
+
+	&:disabled {
+		background-color: rgba(0, 0, 0, .1);
+	}
+}
+.button {
+	display: inline-block;
+	text-align: center;
+	box-sizing: border-box;
+}
+
+/* Image */
+
+img.editable {
+	cursor: pointer;
+}
+
+/* Float */
+
+.clear {
+	clear: both !important;
+}
+
+/* Clickable */
+
+.clickable {
+	@extend %clickable;
+}
+
+/* Box */
+
+.box {
+	@extend %box;
+	margin: 0 auto;
+	box-sizing: border-box;
+
+	.header {
+		padding: 0.6em 0.8em;
+		margin: 0;
+		background-color: #009688;
+		color: white;
+
+		& > h1 {
+			color: white;
+			text-align: left;
+			font-size: 1.6em;
+			line-height: 2em;
+			font-weight: normal;
+			display: inline;
+		}
+	}
+	.body {
+		padding: 2em;
+	}
+}
+
+/* Form */
+
+.form {
+	margin: 0 auto;
+}
+.form > h2 {
+	margin-bottom: .8em;
+}
+.form-group {
+	margin-bottom: 1.2em;
+
+	&:last-child {
+		margin-bottom: 0;
+	}
+	& > label {
+		display: block;
+		margin: 0;
+		margin-bottom: .2em;
+		color: #222;
+	}
+	& > input[type=text],
+	& > input[type=password],
+	& > input[type=file],
+	& > input[type=number],
+	& > select,
+	& > textarea {
+		margin: 0;
+		width: 100%;
+	}
+}
+
+/* Form */
+
+table.form {
+	padding: 1em;
+	border-collapse: separate;
+	border-spacing: 0.3em;
+}
+table.form td.label {
+	width: 45%;
+	text-align: right;
+}
+table.form tr {
+	height: 2.8em;
+}
+
+/* Icon */
+
+img.icon {
+	height: 1.5em;
+}
+
+/* Masonry */
+
+.masonry {
+	margin: 0 auto;
+	text-align: left;
+}
+.masonry-box {
+	width: 100%;
+	display: inline-block;
+	vertical-align: top;
+}
+@media screen and (min-width: 1000px) and (max-width: 1399px) {
+	.masonry-box
+	{
+		width: 50%;
+		display: block;
+		float: left;
+		clear: left;
+	}
+	.masonry-box:nth-child(2n+0)
+	{
+		float: right;
+		clear: right;
+	}
+}
+@media screen and (min-width: 1400px) {
+	.masonry-box { width: 33.3%; }
+}
+@media screen and (min-width: 2000px) {
+	.masonry-box { width: 25%; }
+}
diff --git a/js/htk/style/text.scss b/js/htk/style/text.scss
new file mode 100644
index 00000000..701a84d0
--- /dev/null
+++ b/js/htk/style/text.scss
@@ -0,0 +1,70 @@
+@import "./variables";
+
+/* Headings */
+
+.text-h1, h1 {
+    font-size: 2.3rem;
+}
+.text-h2, h2 {
+    font-size: 2.25rem;
+}
+.text-h3, h3 {
+    font-size: 2rem;
+}
+.text-h4, h4 {
+    font-size: 1.6rem;
+}
+.text-h5, h5 {
+    font-size: 1.3rem;
+}
+.text-h6, h6 {
+    font-size: 1.125rem;
+}
+.text-subtitle1 {
+    font-size: 1.06rem;
+}
+.text-subtitle2 {
+    font-size: 1rem;
+}
+.text-body1 {
+    font-size: .875rem;
+}
+.text-body2 {
+    font-size: .875rem;
+}
+.text-caption {
+    font-size: .875rem;
+}
+.text-overline {
+    font-size: .8rem;
+}
+
+h1, h2, h3, h4, h5, h6 {
+    padding: 0;
+    margin-top: 0;
+    margin-bottom: 4px;
+}
+
+/* Colors */
+
+.text-primary {
+    color: $color-main;
+}
+.text-secondary {
+    color: $color-font-light;
+}
+
+/* Helpers */
+
+.text-uppercase {
+    text-transform: uppercase;
+}
+.text-center {
+    text-align: center;
+}
+.text-right {
+    text-align: right;
+}
+.text-left {
+    text-align: left;
+}
diff --git a/js/htk/style/variables.scss b/js/htk/style/variables.scss
new file mode 100644
index 00000000..b516079f
--- /dev/null
+++ b/js/htk/style/variables.scss
@@ -0,0 +1,23 @@
+
+// Width
+
+$width-xs: 400px;
+$width-sm: 544px;
+$width-md: 800px;
+$width-lg: 1280px;
+$width-xl: 1600px;
+
+// Spacing
+
+$spacing-xs: 4px;
+$spacing-sm: 8px;
+$spacing-md: 16px;
+$spacing-lg: 32px;
+$spacing-xl: 70px;
+
+// Light theme
+
+$color-primary: #8cc63f;
+$color-hover-cd: rgba(0, 0, 0, .05);
+$color-main: #333;
+$color-font-light: #666;
diff --git a/js/htk/style/width.scss b/js/htk/style/width.scss
new file mode 100644
index 00000000..e017de3e
--- /dev/null
+++ b/js/htk/style/width.scss
@@ -0,0 +1,26 @@
+@import "./variables";
+
+%margin-auto {
+    margin-left: auto;
+    margin-right: auto;
+}
+.vn-w-xs {
+    @extend %margin-auto;
+    max-width: $width-xs;
+}
+.vn-w-sm {
+    @extend %margin-auto;
+    max-width: $width-sm;
+}
+.vn-w-md {
+    @extend %margin-auto;
+    max-width: $width-md;
+}
+.vn-w-lg {
+    @extend %margin-auto;
+    max-width: $width-lg;
+}
+.vn-w-xl {
+    @extend %margin-auto;
+    max-width: $width-xl;
+}
diff --git a/js/htk/table/index.js b/js/htk/table/index.js
new file mode 100644
index 00000000..26ed5fad
--- /dev/null
+++ b/js/htk/table/index.js
@@ -0,0 +1,50 @@
+
+var Entry = require('../entry');
+var ColumnRadio = require('../columns/radio');
+
+module.exports = new Class({
+	Extends: Entry
+	,Tag: 'htk-table'
+
+	,render: function() {
+		var tv = new Htk.TreeView();
+		this.node.appendChild(tv.node);
+		
+		var renderer = new ColumnRadio();
+		tv.appendColumn(0, renderer, '');
+		
+		var rbGroup = renderer.rbGroup;
+		rbGroup.addSignal('changed', this.changed, this);
+
+		this.treeview = tv;
+		this.rbGroup = rbGroup;
+	}
+
+	,setModel: function(model) {
+		this.treeview.setModel(model);
+		model.addSignal('status-changed', this.modelRefresh, this);
+		this.selectValue();
+	}
+
+	,changed: function() {
+		this.realValue = this.rbGroup.getValue();
+		this.emit('changed');
+	}
+
+	,selectValue: function() {
+		this.rbGroup.setValue(this.realValue);
+	}
+
+	,setRealValue: function() {
+		this.selectValue();
+	}
+
+	,modelRefresh: function(model, status) {
+		if (status == Db.Model.Status.READY)
+			this.selectValue();
+	}
+
+	,setEditable: function(editable) {
+		this.rbGroup.setEditable(editable);
+	}
+});
diff --git a/js/htk/text-area/index.js b/js/htk/text-area/index.js
new file mode 100644
index 00000000..10625025
--- /dev/null
+++ b/js/htk/text-area/index.js
@@ -0,0 +1,32 @@
+
+module.exports = new Class({
+	Extends: Htk.Field
+	,Tag: 'htk-textarea'
+	
+	,render: function() {
+		var node = this.createRoot('textarea');
+		node.addEventListener('change', this.changed.bind(this));
+	}
+
+	,changed: function() {
+		var value;
+	
+		if (this.node.value == '')
+			value = null;
+		else
+			value = this.node.value;
+
+		this.valueChanged(value);
+	}
+
+	,setEditable: function(editable) {
+		this.node.readOnly = !editable;
+	}
+
+	,putValue: function(value) {
+		if (!value)
+			this.node.value = '';
+		else
+			this.node.value = value;
+	}
+});
diff --git a/js/htk/field/text.js b/js/htk/text/index.js
similarity index 50%
rename from js/htk/field/text.js
rename to js/htk/text/index.js
index e0483c89..14fe88b2 100644
--- a/js/htk/field/text.js
+++ b/js/htk/text/index.js
@@ -7,17 +7,15 @@ module.exports = new Class
 	{
 		/**
 		 * Format that applies to the value.
-		 **/
+		 */
 		format:
 		{
 			type: String
-			,set: function (x)
-			{
+			,set: function(x) {
 				this._format = _(x);
-				this.putValue (this._value);
+				this.putValue(this._value);
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._format;
 			}
 		}
@@ -25,13 +23,11 @@ module.exports = new Class
 	
 	,_format: null
 
-	,render: function ()
-	{
-		this._node = this.createTextNode ('');
+	,render: function() {
+		this._node = this.createTextNode('');
 	}
 
-	,putValue: function (value)
-	{
-		this._node.nodeValue = Vn.Value.format (value, this._format);
+	,putValue: function(value) {
+		this._node.nodeValue = Vn.Value.format(value, this._format);
 	}
 });
diff --git a/js/htk/toast.js b/js/htk/toast.js
deleted file mode 100644
index ac3f46f9..00000000
--- a/js/htk/toast.js
+++ /dev/null
@@ -1,160 +0,0 @@
-/**
- * Class to show toast messages.
- **/
-module.exports =
-{
-	 maxMessages: 6
-	,timeout: 10 /* Seconds */
-	,_container: null
-	,_timeouts: null
-	,_topHeap: []
-
-	/**
-	 * Shows a normal toast message.
-	 *
-	 * @param {String} message The message text
-	 **/
-	,showMessage: function (message)
-	{
-		this._showText (message, 'message');
-	}
-	
-	/**
-	 * Shows a warning toast message.
-	 *
-	 * @param {String} message The message text
-	 **/
-	,showWarning: function (message)
-	{
-		this._showText (message, 'warning');
-	}
-	
-	/**
-	 * Shows an error toast message.
-	 *
-	 * @param {String} message The message text
-	 **/
-	,showError: function (message)
-	{
-		this._showText (message, 'error');
-	}
-	
-	,pushTop: function (top)
-	{
-		this._topHeap.push (top);
-		this._refreshPosition ();
-	}
-	
-	,popTop: function ()
-	{
-		var top = this._topHeap.pop ();
-		this._refreshPosition ();
-		return top;
-	}
-
-	,_refreshPosition: function ()
-	{
-		if (!this._container)
-			return;
-		
-		var left;
-		var heapLen = this._topHeap.length;
-		
-		if (heapLen > 0)
-		{
-			var top = this._topHeap[heapLen - 1];
-			var rect = top.getBoundingClientRect ();
-			left = (rect.left + parseInt (rect.width / 2) - window.pageXOffset) +'px';
-		}
-		else
-			left = '';
-
-		this._container.style.left = left;
-	}
-	
-	/**
-	 * Hides all currently displayed toast messages.
-	 **/
-	,hide: function ()
-	{
-		if (!this._container)
-			return;
-
-		if (this._timeouts)
-		for (var i = 0; i < this._timeouts.length; i++)
-			clearTimeout (this._timeouts[i]);
-
-		this._timeouts = null;			
-
-		document.removeEventListener ('mousedown', this.hideHandler);
-		Vn.Node.remove (this._container);
-		this._container = null;
-		this.nodes = [];
-	}
-
-	,_createContainer: function ()
-	{
-		if (!this._container)
-		{
-			var container = document.createElement ('div');
-			container.className = 'htk-toast';
-			document.body.appendChild (container);
-
-			this.hideHandler = this.hide.bind (this);
-			document.addEventListener ('mousedown', this.hideHandler);
-
-			this._timeouts = [];
-			this._container = container;
-		}
-
-		this._refreshPosition ();
-	}
-
-	,_showText: function (message, className)
-	{
-		this._createContainer ();
-
-		if (this._timeouts.length >= this.maxMessages)
-			this._onMessageTimeout ();
-		
-		var toast = document.createElement ('div');
-		toast.className = className;
-		toast.addEventListener ('mousedown', this._onMessageMouseDown);
-
-		var textNode = document.createTextNode (message);
-		toast.appendChild (textNode);
-
-		this._container.appendChild (toast);
-
-		var timeoutId = setTimeout (this._onMessageTimeout.bind (this), this.timeout * 1000);
-		this._timeouts.push (timeoutId);
-		
-		setTimeout (this._onShowToastTimeout.bind (this, toast), 50);
-	}
-	
-	,_onShowToastTimeout: function (toast)
-	{
-		Vn.Node.addClass (toast, 'show');
-	}
-
-	,_onMessageTimeout: function ()
-	{
-		if (!this._container)
-			return;
-	
-		var nodes = this._container.childNodes;
-	
-		if (nodes.length > 0)
-		{
-			clearTimeout (this._timeouts.shift ());
-			Vn.Node.remove (nodes[0]);
-		}
-		if (nodes.length == 0)
-			this.hide ();
-	}
-	
-	,_onMessageMouseDown: function (event)
-	{
-		event.stopPropagation ();
-	}
-};
diff --git a/js/htk/toast/index.js b/js/htk/toast/index.js
new file mode 100644
index 00000000..6a19ccd0
--- /dev/null
+++ b/js/htk/toast/index.js
@@ -0,0 +1,146 @@
+require('./style.scss');
+
+/**
+ * Class to show toast messages.
+ */
+module.exports =
+{
+	 maxMessages: 6
+	,timeout: 10 /* Seconds */
+	,_container: null
+	,_timeouts: null
+	,_topHeap: []
+
+	/**
+	 * Shows a normal toast message.
+	 *
+	 * @param {String} message The message text
+	 */
+	,showMessage: function(message) {
+		this._showText(message, 'message');
+	}
+	
+	/**
+	 * Shows a warning toast message.
+	 *
+	 * @param {String} message The message text
+	 */
+	,showWarning: function(message) {
+		this._showText(message, 'warning');
+	}
+	
+	/**
+	 * Shows an error toast message.
+	 *
+	 * @param {String} message The message text
+	 */
+	,showError: function(message) {
+		this._showText(message, 'error');
+	}
+	
+	,pushTop: function(top) {
+		this._topHeap.push(top);
+		this._refreshPosition();
+	}
+	
+	,popTop: function() {
+		var top = this._topHeap.pop();
+		this._refreshPosition();
+		return top;
+	}
+
+	,_refreshPosition: function() {
+		if (!this._container)
+			return;
+		
+		var left;
+		var heapLen = this._topHeap.length;
+		
+		if (heapLen > 0) {
+			var top = this._topHeap[heapLen - 1];
+			var rect = top.getBoundingClientRect();
+			left = (rect.left + parseInt(rect.width / 2) - window.pageXOffset) +'px';
+		} else
+			left = '';
+
+		this._container.style.left = left;
+	}
+	
+	/**
+	 * Hides all currently displayed toast messages.
+	 */
+	,hide: function() {
+		if (!this._container)
+			return;
+
+		if (this._timeouts)
+		for (var i = 0; i < this._timeouts.length; i++)
+			clearTimeout(this._timeouts[i]);
+
+		this._timeouts = null;			
+
+		document.removeEventListener('mousedown', this.hideHandler);
+		Vn.Node.remove(this._container);
+		this._container = null;
+		this.nodes = [];
+	}
+
+	,_createContainer: function() {
+		if (!this._container) {
+			var container = document.createElement('div');
+			container.className = 'htk-toast';
+			document.body.appendChild(container);
+
+			this.hideHandler = this.hide.bind(this);
+			document.addEventListener('mousedown', this.hideHandler);
+
+			this._timeouts = [];
+			this._container = container;
+		}
+
+		this._refreshPosition();
+	}
+
+	,_showText: function(message, className) {
+		this._createContainer();
+
+		if (this._timeouts.length >= this.maxMessages)
+			this._onMessageTimeout();
+		
+		var toast = document.createElement('div');
+		toast.className = className;
+		toast.addEventListener('mousedown', this._onMessageMouseDown);
+
+		var textNode = document.createTextNode(message);
+		toast.appendChild(textNode);
+
+		this._container.appendChild(toast);
+
+		var timeoutId = setTimeout(this._onMessageTimeout.bind(this), this.timeout * 1000);
+		this._timeouts.push(timeoutId);
+		
+		setTimeout(this._onShowToastTimeout.bind(this, toast), 50);
+	}
+	
+	,_onShowToastTimeout: function(toast) {
+		Vn.Node.addClass(toast, 'show');
+	}
+
+	,_onMessageTimeout: function() {
+		if (!this._container)
+			return;
+	
+		var nodes = this._container.childNodes;
+	
+		if (nodes.length > 0) {
+			clearTimeout(this._timeouts.shift());
+			Vn.Node.remove(nodes[0]);
+		}
+		if (nodes.length == 0)
+			this.hide();
+	}
+	
+	,_onMessageMouseDown: function(event) {
+		event.stopPropagation();
+	}
+};
diff --git a/js/htk/toast/style.scss b/js/htk/toast/style.scss
new file mode 100644
index 00000000..4334fa08
--- /dev/null
+++ b/js/htk/toast/style.scss
@@ -0,0 +1,47 @@
+.htk-toast {
+	z-index: 210;
+	display: block;
+	position: fixed;
+	left: 50%;
+	top: 4em;
+	width: 21em;
+	margin-left: -10.5em;
+	text-align: center;
+	overflow: auto;
+	max-height: 40em;
+	overflow: visible;
+
+	& > div {
+		margin: .5em 0;
+		padding: .5em 2%;
+		border-radius: 0.1em;
+		box-shadow: 0 0 0.4em rgba(1, 1, 1, 0.6);
+		width: 96%;
+	
+		opacity: 0;
+		transform: translateZ(0) translateY(-1em);
+		-webkit-transform: translateZ(0) translateY(-1em);
+	
+		transition-property: opacity, transform;
+		transition-duration: 200ms;
+		transition-timing-function: ease-out;
+
+		&.show {
+			opacity: 1;
+			transform: translateZ(0) translateY(0em);
+			-webkit-transform: translateZ(0) translateY(0em);
+		}
+	}
+	& > .message {
+		background-color: #BBFFBB;
+		color: #363;
+	}
+	& > .warning {
+		background-color: #FFE0B2;
+		color: #C30;
+	}
+	& > .error {
+		background-color: #FFCDD2;
+		color: #A00;
+	}
+}
\ No newline at end of file
diff --git a/js/htk/widget.js b/js/htk/widget.js
deleted file mode 100644
index 612283e7..00000000
--- a/js/htk/widget.js
+++ /dev/null
@@ -1,73 +0,0 @@
-
-var NodeBuilder = require ('./node-builder');
-
-module.exports = new Class
-({
-	Extends: NodeBuilder
-	,Properties:
-	{
-		/**
-		 * Main HTML node that represents the widget
-		 **/
-		node:
-		{
-			type: Object
-			,get: function ()
-			{
-				this.renderBase ();
-				return this._node;
-			}
-		},
-		/**
-		 * CSS classes to be appendend to the node classes.
-		 **/
-		class:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._cssClass = x;
-				this._refreshClass ();
-			}
-			,get: function ()
-			{
-				return this._node.className;
-			}
-		}
-	}
-
-	,_node: null
-	
-	,initialize: function (props)
-	{
-		this.doc = document;
-		this.renderBase ();
-		this.parent (props);
-	}
-	
-	,createRoot: function (tagName)
-	{
-		return this._node = this.createElement (tagName);
-	}
-	
-	,renderBase: function ()
-	{
-		if (this._node)
-			return;
-
-		this.render ();
-		this._refreshClass ();
-	}
-
-	,_refreshClass: function ()
-	{
-		if (this._node && this._cssClass)
-			this._node.className = this._cssClass +' '+ this._node.className;
-	}
-	
-	,remove: function ()
-	{
-		Vn.Node.remove (this._node);
-	}
-});
-
diff --git a/js/sql/batch.js b/js/sql/batch.js
deleted file mode 100644
index 409423cb..00000000
--- a/js/sql/batch.js
+++ /dev/null
@@ -1,169 +0,0 @@
-
-var Object = require ('./object');
-var Value = require ('./value');
-
-/**
- * A map container for many Sql.Object
- **/
-module.exports = new Class
-({
-	Extends: Object
-	,Tag: 'sql-batch'
-	,Properties:
-	{
-		blocked:
-		{
-			type: Boolean
-			,set: function (x)
-			{
-				this._blocked = x;
-			}
-			,get: function ()
-			{
-				return this._blocked;
-			}
-		}
-	}
-
-	,objects: {}
-	,_blocked: false
-
-	,loadXml: function (builder, node)
-	{
-		this.parent (builder, node);
-
-		var childs = node.childNodes;
-	
-		for (var i = 0; i < childs.length; i++)
-		if (childs[i].tagName && childs[i].tagName.toLowerCase () == 'item')
-		{
-			var object;
-			var id = childs[i].getAttribute ('name');
-
-			if (id)
-			{
-				if (object = builder.getById (childs[i].getAttribute ('param')))
-					this.addParam (id, object);
-				else if (object = builder.getById (childs[i].getAttribute ('object')))
-					this.addObject (id, object);
-			}
-		}
-	}
-	
-	,get: function (id)
-	{
-		if (this.objects[id])
-			return this.objects[id];
-			
-		return null;
-	}
-	
-	,add: function (id)
-	{
-		if (!this.objects[id])
-			this.objects[id] = null;
-	}
-	
-	,_addObject: function (id, object)
-	{
-		this.remove (id);
-		this.objects[id] = object;
-		object.on ('changed', this.emitChanged, this);
-		this.emitChanged ();
-	}
-
-	,addObject: function (id, object)
-	{
-		this._addObject (id, object.ref ());
-	}
-
-	,addValue: function (id, value)
-	{
-		this._addObject (id,
-			new Value ({value: value}));
-	}
-	
-	,addValues: function (values)
-	{
-		for (var id in values)
-			this.addValue (id, values[id]);
-	}
-
-	,addParam: function (id, param)
-	{
-		this._addObject (id,
-			new Value ({param: param}));
-	}
-	
-	,getValue: function (id)
-	{
-		var object = this.objects[id];
-		
-		if (object instanceof Value)
-			return object.value;
-			
-		return null;
-	}
-	
-	,addParams: function (params)
-	{
-		for (var id in params)
-			this.addParam (id, params[id]);
-	}
-	
-	,remove: function (id)
-	{
-		if (this.objects[id])
-		{
-			this._unrefObject (this.objects[id]);
-			delete this.objects[id];
-		}
-	}
-
-	,block: function ()
-	{
-		this._blocked = true;
-	}
-
-	,unblock: function ()
-	{
-		this._blocked = false;
-	}
-	
-	,emitChanged: function ()
-	{
-		if (!this._blocked)
-			this.signalEmit ('changed');
-	}
-
-	,changed: function ()
-	{
-		this.signalEmit ('changed');
-	}
-
-	,isReady: function ()
-	{
-		for (var id in this.objects)
-		if (!(this.objects[id] && this.objects[id].isReady ()))
-			return false;
-
-		return true;
-	}
-	
-	,_unrefObject: function (object)
-	{
-		if (object)
-		{
-			object.disconnect ('changed', this.emitChanged, this);
-			object.unref ();
-		}
-	}
-	
-	,_destroy: function ()
-	{
-		for (var id in this.objects)
-			this._unrefObject (this.objects[id]);
-
-		this.parent ();
-	}
-});
diff --git a/js/sql/delete.js b/js/sql/delete.js
index eed14b9b..53447391 100644
--- a/js/sql/delete.js
+++ b/js/sql/delete.js
@@ -1,23 +1,17 @@
 
-var Stmt = require ('./stmt');
+var Stmt = require('./stmt');
 
 /**
  * The equivalent of a SQL delete.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Stmt
+	,Tag: 'sql-delete'
 
-	,render: function (batch)
-	{
-		var sql = 'DELETE FROM ' + this.renderTarget (batch);
-		
-		if (this.where)
-			sql += ' WHERE ' + this.where.render (batch);
-			
-		sql += ' LIMIT 1';	// Only for security.
-			
-		return sql;
+	,render: function(params) {
+		return 'DELETE FROM'
+			+ this.renderTarget(params)
+			+ this.renderIfSet(this.where, 'WHERE', params)
+			+ this.renderLimit(params);
 	}
 });
-
diff --git a/js/sql/dml.js b/js/sql/dml.js
index a17fde24..00ad03f5 100644
--- a/js/sql/dml.js
+++ b/js/sql/dml.js
@@ -1,33 +1,29 @@
 
-var Stmt = require ('./stmt');
-var Value = require ('./value');
-var Field = require ('./field');
+var Stmt = require('./stmt');
+var Value = require('./value');
+var Field = require('./field');
 
 /**
  * The equivalent of a SQL DML.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Stmt
 	
 	,field: []
 	,expr: []
 
-	,addSet: function (fieldName, value)
-	{
-		this.expr.push (new Value ({value: value}));
-		this.field.push (new Field ({name: fieldName}));
+	,addSet: function(fieldName, value) {
+		this.field.push(new Field({name: fieldName}));
+		this.expr.push(new Value({value: value}));
 	}
 
-	,addExpr: function (fieldName, expr)
-	{
-		this.expr.push (expr);
-		this.field.push (new Field ({name: fieldName}));
+	,addExpr: function(fieldName, expr) {
+		this.field.push(new Field({name: fieldName}));
+		this.expr.push(expr);
 	}
 
-	,delSet: function ()
-	{
-		this.field.splice (0, this.field.length);
-		this.expr.splice (0, this.expr.length);
+	,delSet: function() {
+		this.field.splice(0, this.field.length);
+		this.expr.splice(0, this.expr.length);
 	}
 });
diff --git a/js/sql/expr.js b/js/sql/expr.js
index 140fcbbb..35ac50cf 100644
--- a/js/sql/expr.js
+++ b/js/sql/expr.js
@@ -1,11 +1,10 @@
 
-var Object = require ('./object');
+var Object = require('./object');
 
 /**
  * The equivalent of a SQL expression.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Object
 	,Tag: 'sql-expr'
 });
diff --git a/js/sql/field.js b/js/sql/field.js
index a0d4b9ee..79839d48 100644
--- a/js/sql/field.js
+++ b/js/sql/field.js
@@ -1,32 +1,33 @@
 
-var Expr = require ('./expr');
+var Expr = require('./expr');
 
 /**
  * The equivalent of a SQL field.
  *
  * @param {string} taget The name of the owner table
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Expr
 	,Tag: 'sql-field'
-	,Properties:
-	{
-		name:
-		{
+	,Properties: {
+		/**
+		 * The column name.
+		 */
+		name: {
 			type: String
 			,value: null
 		},
-		target:
-		{
+		/**
+		 * The source table name or its alias if it has been specified.
+		 */
+		target: {
 			type: String
 			,value: null
 		}
 	}
 
-	,render: function (batch)
-	{
-		var sql = (this.target) ? '`' + this.target + '`.' : '';	
-		return sql + '`' + this.name + '`';
+	,render: function() {
+		return this.renderPreIdent(this.target)
+			+ this.renderIdent(this.name);
 	}
 });
diff --git a/js/sql/filter-item.js b/js/sql/filter-item.js
index dccf5a63..343eebb3 100644
--- a/js/sql/filter-item.js
+++ b/js/sql/filter-item.js
@@ -1,20 +1,62 @@
 
-var Operation = require ('./operation');
+var Operation = require('./operation');
+var Value = require('./value');
+var Field = require('./field');
 
 /**
- * The equivalent of a SQL operation.
- **/
-module.exports = new Class
-({
+ * Objects to be used as an operands of @Sql.Filter. It represents a two
+ * expressions basic operation composed by a table column, the operator and the
+ * value extracted from the rendering paramerers.
+ */
+module.exports = new Class({
 	Extends: Operation
 	,Tag: 'sql-filter-item'
-	,Properties:
-	{
-		primary:
-		{
-			type: Boolean
+	,Properties: {
+		/**
+		 * The column name.
+		 */
+		field: {
+			type: String,
+			value: null
+		},
+		/**
+		 * The source table name or its alias if it has been specified.
+		 */
+		target: {
+			type: String,
+			value: null
+		},
+		/**
+		 * The parameter name.
+		 */
+		param: {
+			type: String,
+			value: null
 		}
 	}
-	
-	,primary: true
+
+	/**
+	 * Checks if parameter name has been defined and if it has a value.
+	 */
+	,isReady: function(params) {
+		return this.param != null && params != null && params[this.param] != null;
+	}
+
+	,render: function(params) {
+		var newOp = new Operation({type: this.type});
+
+		newOp.push(new Field({
+			name: this.field,
+			target: this.target
+		}));
+
+		var value = params[this.param];
+		newOp.push(new Value({value: value}));
+			
+		return newOp.render(params);
+	}
+
+	,findHolders: function() {
+		return this.param ? [this.param] : null;
+	}
 });
diff --git a/js/sql/filter.js b/js/sql/filter.js
index 54512ce7..111a6914 100644
--- a/js/sql/filter.js
+++ b/js/sql/filter.js
@@ -1,50 +1,49 @@
 
-var Operation = require ('./operation');
+var Operation = require('./operation');
+var Value = require('./value');
 
 /**
- * The equivalent of a SQL operation.
- **/
-module.exports = new Class
-({
+ * The equivalent of a SQL filter expression. It allows to automatically build
+ * SQL filters based on lot parameters.
+ */
+module.exports = new Class({
 	Extends: Operation
 	,Tag: 'sql-filter'
-	,Properties:
-	{
-		alwaysReady:
-		{
-			type: Boolean
-		}
-	}
 
-	,isReady: function ()
-	{
-		if (this.alwaysReady)
+	/**
+	 * Checks if any of filters childs are ready.
+	 */
+	,isReady: function(params) {
+		var exprs = this.exprs;
+		for (var i = exprs.length; i--;)
+		if (exprs[i].isReady(params))
 			return true;
-	
-		var e = this.exprs.getArray ();
-		for (var i = 0; i < e.length; i++)
-		if (e[i].isReady () && e[i].primary)
-			return true;
-				
+
 		return false;
 	}
 
-	,render: function (batch)
-	{
-		var isReady = false;
-		var newOp = new Operation ({type: this.type});
+	/**
+	 * Renders the filter as an SQL expression. If any of its childs isn't
+	 * ready is ommitted from the expression. If all of its childs aren't ready
+	 * renders the TRUE expression.
+	 */
+	,render: function(params) {
+		var newOp;
+		var newExprs = [];
+
+		this.exprs.forEach(function(expr) {
+			if (expr.isReady(params))
+				newExprs.push(expr);
+		})
 	
-		var e = this.exprs.getArray ();
-		for (var i = 0; i < e.length; i++)
-		if (e[i].isReady ())
-		{
-			newOp.exprs.add (e[i]);
-			isReady = true;
-		}
+		if (newExprs.length > 0)
+			newOp = new Operation({
+				type: this.type,
+				exprs: newExprs
+			});
+		else
+			newOp = new Value({value: true});
 			
-		if (!isReady)
-			return 'TRUE';
-			
-		return newOp.render (batch);
+		return newOp.render(params);
 	}
 });
diff --git a/js/sql/function.js b/js/sql/function.js
index 6d868a3a..50fc7c0a 100644
--- a/js/sql/function.js
+++ b/js/sql/function.js
@@ -1,38 +1,48 @@
 
-var Expr = require ('./expr');
-var List = require ('./list');
+var Expr = require('./expr');
+var ListHolder = require('./list-holder');
 
 /**
  * The equivalent of a SQL function.
- *
- * @param {string} funcName The name of the function
- * @param {Array#Sql.Expr} param Array with function parameters
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Expr
-	,Properties:
-	{
-		name:
-		{
+	,Tag: 'sql-function'
+	,Implements: ListHolder
+	,Properties: {
+		/**
+		 * The function name.
+		 */
+		name: {
 			type: String
 			,value: null
 		},
-		schema:
-		{
+		/**
+		 * The function schema.
+		 */
+		schema: {
 			type: String
 			,value: null
 		},
-		params:
-		{
-			type: List
-			,value: null
+		/**
+		 * The function parameters.
+		 */
+		params: {
+			type: Array
+			,set: function(x) {
+				this.list = x;
+			}
+			,get: function() {
+				return this.list;
+			}
 		}
 	}
 
-	,render: function (batch)
-	{
-		var sql = (this.schema) ? '`' + this.schema + '`.' : '';
-		return sql + '`' + this.name + '`()';
+	,render: function(params) {
+		return this.renderPreIdent(this.schema)
+			+ this.renderIdent(this.name)
+			+ '('
+			+ this.renderListWs(this.list, params, ', ')
+			+ ')';
 	}
 });
diff --git a/js/sql/holder.js b/js/sql/holder.js
index 2d1a3f2d..67083cfa 100644
--- a/js/sql/holder.js
+++ b/js/sql/holder.js
@@ -1,27 +1,32 @@
 
-var Object = require ('./object');
+var SqlObject = require('./object');
+var Value = require('./value');
 
 /**
  * A holder for another object.
- **/
-module.exports = new Class
-({
-	Extends: Object
-	,Properties:
-	{
-		id:
-		{
+ */
+module.exports = new Class({
+	Extends: SqlObject
+	,Properties: {
+		id: {
 			type: String
 			,value: null
 		}
 	}
 
-	,render: function (batch)
-	{
-		var object;
+	,render: function(params) {
+		if (params) {
+			var object = params[this.id];
 
-		if (batch && (object = batch.get (this.id)))
-			return object.render (batch);
+			if (object !== undefined) {
+				if (!(object instanceof SqlObject)) {
+					var sqlValue = new Value();
+					sqlValue.value = object;
+					return sqlValue.render();
+				} else
+					return object.render(params);
+			}
+		}
 			
 		return '#'+ this.id;
 	}
diff --git a/js/sql/insert.js b/js/sql/insert.js
index 51df787d..6e6dd4c7 100644
--- a/js/sql/insert.js
+++ b/js/sql/insert.js
@@ -1,38 +1,19 @@
 
-var Dml = require ('./dml');
+var Dml = require('./dml');
 
 /**
  * The equivalent of a SQL insert.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Dml
 
-	,render: function (batch)
-	{
-		var sql;
-		var n;
-		
-		sql = 'INSERT INTO ' + this.renderTarget (batch) + ' (';
-		
-		for (n = 0; n < this.field.length; n++)
-		{
-			if (n > 0)
-				sql += ', ';
-			sql += this.field[n].render (batch);
-		}
-		
-		sql += ') VALUES (';
-
-		for (n = 0; n < this.field.length; n++)
-		{
-			if (n > 0)
-				sql += ', ';
-			sql += this.expr[n].render(batch);
-		}
-		
-		sql += ')';
-			
-		return sql;
+	,render: function(params) {
+		return 'INSERT INTO'
+			+ this.renderTarget(params)
+			+ ' ('
+			+ this.renderListWs(this.field, params, ', ')
+			+ ') VALUES ('
+			+ this.renderListWs(this.expr, params, ', ')
+			+ ')';
 	}
 })
diff --git a/js/sql/join-item.js b/js/sql/join-item.js
new file mode 100644
index 00000000..3e63cc9a
--- /dev/null
+++ b/js/sql/join-item.js
@@ -0,0 +1,48 @@
+
+var Target = require('./target');
+var Expr = require('./expr');
+var SqlObject = require('./object');
+var Type = require('./join').Type;
+
+var TypeSql = [
+	'INNER',
+	'LEFT',
+	'RIGHT'
+];
+
+/**
+ * The equivalent of a SQL join.
+ */
+module.exports = new Class({
+	Extends: SqlObject
+	,Tag: 'sql-join-table'
+	,Properties: {
+		/**
+		 * The join type.
+		 */
+		type: {
+			enumType: Type
+			,value: 0
+		},
+		/**
+		 * The right target.
+		 */
+		target: {
+			type: Target
+			,value: null
+		},
+		/**
+		 * The join on condition.
+		 */
+		condition: {
+			type: Expr
+			,value: null
+		}
+	}
+
+	,render: function(params) {
+		return TypeSql[this.type] +' JOIN '
+			+ this.target.render(params)
+			+ this.renderIfSet(this.condition, 'ON', params);
+	}
+});
diff --git a/js/sql/join.js b/js/sql/join.js
new file mode 100644
index 00000000..37fcb8c8
--- /dev/null
+++ b/js/sql/join.js
@@ -0,0 +1,47 @@
+
+var Target = require('./target');
+var ListHolder = require('./list-holder');
+
+/**
+ * The equivalent of a SQL join.
+ */
+var Klass = new Class();
+module.exports = Klass;
+
+var Type = {
+	INNER : 0,
+	LEFT  : 1,
+	RIGHT : 2
+};
+
+Klass.extend({
+	Type: Type
+});
+
+Klass.implement({
+	Extends: Target
+	,Implements: ListHolder
+	,Tag: 'sql-join'
+	,Properties: {
+		/**
+		 * The right targets.
+		 */
+		targets: {
+			type: Array
+			,set: function(x) {
+				this.list = x;
+			}
+			,get: function() {
+				return this.list;
+			}
+		}
+	}
+
+	,render: function(params) {
+		return '('
+			+ this.target.render(params)
+			+ ' '
+			+ this.renderList(this.list, params)
+			+ ')';
+	}
+});
diff --git a/js/sql/list-holder.js b/js/sql/list-holder.js
new file mode 100644
index 00000000..470ee8bb
--- /dev/null
+++ b/js/sql/list-holder.js
@@ -0,0 +1,61 @@
+/**
+ * Interface for array holders.
+ */
+module.exports = new Class({
+	Properties: {
+/*	list: {
+			type: Array
+			,set: function (x) {
+				this._list = x;
+			}
+			,get: function () {
+				return this._list;
+			}
+		}
+*/
+	}
+
+	,list: []
+
+	,appendChild: function(child) {
+		this.list.push(child);
+	}
+
+	/**
+	 * Adds an element to the list.
+	 * 
+	 * @param {SqlObject} element The element to add
+	 */
+	,push: function(element) {
+		this.list.push(element);
+	}
+	
+	/**
+	 * Removes an element from the list.
+	 *
+	 * @param {Number} i The element index
+	 */
+	,splice: function(i) {
+		this.list.splice(i);
+	}
+	
+	/**
+	 * Adds an element to the list.
+	 *
+	 * @param {Number} i The element index
+	 */
+	,get: function(i) {
+		return this.list[i];
+	}
+
+	,findHolders() {
+		let ids = [];
+
+		for (const object of this.list){
+			holders = object.findHolders();
+			if (holders) ids = ids.concat(holders);
+		}
+
+		return ids;
+	}
+});
diff --git a/js/sql/list.js b/js/sql/list.js
index 7dd109e1..b9c7e697 100644
--- a/js/sql/list.js
+++ b/js/sql/list.js
@@ -1,69 +1,71 @@
 
-var Object = require ('./object');
+var SqlObject = require('./object');
 
 /**
  * List of Sql.Object
- **/
-module.exports = new Class
-({
-	Extends: Object
+ */
+module.exports = new Class({
+	Extends: SqlObject
 
 	,objects: []
 
-	,add: function (object)
-	{
-		this.objects.push (object.ref ());
-		object.on ('changed', this._onObjectChange, this);
-		this._onObjectChange ();
+	,add: function(object) {
+		this.objects.push(object.ref());
+		object.on('changed', this._onObjectChange, this);
+		this._onObjectChange();
 	}
 	
-	,get: function (i)
-	{
+	,get: function(i) {
 		return objects[i];
 	}
 	
-	,getArray: function ()
-	{
+	,getArray: function() {
 		return this.objects;
 	}
 	
-	,remove: function (i)
-	{
-		this._unrefObject (this.objects.splice (i, 1));
-		this._onObjectChange ();
+	,remove: function(i) {
+		this._unrefObject(this.objects.splice(i, 1));
+		this._onObjectChange();
 	}
 
-	,_onObjectChange: function ()
-	{
-		this.signalEmit ('changed');
+	,_onObjectChange: function() {
+		this.emit('changed');
 	}
 
-	,isReady: function ()
-	{
+	,isReady: function() {
 		var o = this.objects;
 		
 		if (o.length == 0)
 			return false;
 	
 		for (var i = 0; i < o.length; i++)
-		if (!o[i].isReady ())
+		if (!o[i].isReady())
 			return false;
 
 		return true;
 	}
-	
-	,_unrefObject: function (object)
-	{
-		object.disconnect ('changed', this._onObjectChange, this);
-		object.unref ();
+
+	,findHolders() {
+		let ids = [];
+
+		for (const object of this.objects){
+			holders = object.findHolders();
+			if (holders) ids = ids.concat(holders);
+		}
+
+		return ids;
 	}
 	
-	,_destroy: function ()
-	{
+	,_unrefObject: function(object) {
+		object.disconnect('changed', this._onObjectChange, this);
+		object.unref();
+	}
+	
+	,_destroy: function() {
 		for (var i = 0; i < this.objects.length; i++)
-			this._unrefObject (this.objects[i]);
+			this._unrefObject(this.objects[i]);
 			
-		this.parent ();
+		SqlObject.prototype._destroy.call(this);
 	}
 });
 
diff --git a/js/sql/multi-stmt.js b/js/sql/multi-stmt.js
index 60ae789e..60504a28 100644
--- a/js/sql/multi-stmt.js
+++ b/js/sql/multi-stmt.js
@@ -1,49 +1,30 @@
 
-var Stmt = require ('./stmt');
+var Stmt = require('./stmt');
+var ListHolder = require('./list-holder');
 
 /**
  * The equivalent of a SQL multi statement.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Stmt
-
-	,stmts: []
-
-	,addStmt: function (stmt)
-	{
-		return this.stmts.push (stmt);
-	}
-	
-	,getStmt: function (stmtIndex)
-	{
-		return this.stmts[index];
-	}
-
-	,isReady: function ()
-	{
-		if (this.stmts.length == 0)
-			return false;
-	
-		for (var i = 0; i < this.stmts.length; i++)
-			if (!this.stmts[i].isReady ())
-				return false;
-				
-		return true;
-	}
-
-	,render: function (batch)
-	{
-		var sql = '';
-
-		for (var i = 0; i < this.stmts.length; i++)
-		{
-			if (i > 0)
-				sql += ";\n";
-
-			sql += this.stmts[i].render (batch);
+	,Implements: ListHolder
+	,Tag: 'sql-multi-stmt'
+	,Properties: {
+		/**
+		 * The statements list.
+		 */
+		stmts: {
+			type: Array
+			,set: function(x) {
+				this.list = x;
+			}
+			,get: function() {
+				return this.list;
+			}
 		}
+	}
 
-		return sql;
+	,render: function(params) {
+		return this.renderListWs(this.list, params, ";\n");
 	}
 });
diff --git a/js/sql/object.js b/js/sql/object.js
index 21db49dd..848ac8ce 100644
--- a/js/sql/object.js
+++ b/js/sql/object.js
@@ -1,32 +1,104 @@
 /**
  * Base class for all objects on this library.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Vn.Object
-	
-	/**
-	 * Renders the object as an SQL string.
-	 *
-	 * @param {Sql.Batch} batch The batch used to render the object
-	 * @return {String} The SQL string
-	 **/
-	,render: function (batch) {}
 
 	/**
 	 * Gets if the object is ready to be rendered.
 	 *
+	 * @param {Object} params The query parameters
 	 * @return {boolean} %true if the object is ready, %false otherwise
-	 **/
-	,isReady: function ()
-	{
+	 */
+	,isReady: function() {
 		return true;
 	}
 
 	/**
-	 * Through the query looking for containers and adds it to the batch.
+	 * Through the query looking for containers.
 	 *
-	 * @return {Sql.Batch} batch The batch
-	 **/
-	,findHolders: function (batch) {}
+	 * @return {Array} An array with the names of the found parameters
+	 */
+	,findHolders: function() {}
+	
+	/**
+	 * Renders the object as an SQL string.
+	 *
+	 * @param {Object} params The params used to render the object
+	 * @return {string} The SQL string
+	 */
+	,render: function() {}
+	
+	/**
+	 * Renders an objects array.
+	 *
+	 * @param {Array} list The objects array
+	 * @param {Object} params The parameters
+	 * @return {string} The rendered SQL string
+	 */
+	,renderList: function(list, params) {
+		var sql = '';
+
+		list.forEach(function(item) {
+			sql += item.render(params);
+		})
+
+		return sql;
+	}
+
+	/**
+	 * Renders an objects array using a separator.
+	 *
+	 * @param {Array} list The objects array
+	 * @param {Object} params The parameters
+	 * @param {String} separator The separator between items
+	 * @return {string} The rendered SQL string
+	 */
+	,renderListWs: function(list, params, separator) {
+		var sql = '';
+
+		list.forEach(function(item, i) {
+			if (i > 0)
+				sql += separator;
+			sql += item.render(params);
+		})
+
+		return sql;
+	}
+
+	/**
+	 * Renders a quoted SQL identifier.
+	 *
+	 * @param {String} identifier The identifier
+	 * @return {string} The quoted identifier
+	 */
+	,renderIdent: function(identifier) {
+		return '`'+ identifier +'`';
+	}
+	
+	/**
+	 * Renders a quoted SQL identifier.
+	 *
+	 * @param {String} identifier The identifier
+	 * @return {string} The quoted identifier
+	 */
+	,renderPreIdent: function(identifier) {
+		if (identifier)
+			return this.renderIdent(identifier) +'.';
+		else
+			return '';
+	}
+
+	/**
+	 * Renders the object if it's defined.
+	 *
+	 * @param {String} prefix The rendered string prefix
+	 * @return {string} The rendered object with its prefix
+	 */
+	,renderIfSet: function(object, prefix, params) {
+		if (object)
+			return ' '+ prefix +' '+ object.render(params);
+		else
+			return '';
+	}
 });
diff --git a/js/sql/operation.js b/js/sql/operation.js
index 229cd2b1..9f491f4a 100644
--- a/js/sql/operation.js
+++ b/js/sql/operation.js
@@ -1,90 +1,85 @@
 
-var Expr = require ('./expr');
+var Expr = require('./expr');
+var ListHolder = require('./list-holder');
 
 /**
  * The equivalent of a SQL operation between exprs.
  *
- * @param {Array#Sql.Expr} expr Array with the exprs
- * @param {Sql..Operation.Type} type The type of the operation
- **/
-var Operation = new Class ();
-module.exports = Operation;
+ * @param {Array#Expr} exprs Array with the exprs
+ * @param {Type} type The type of the operation
+ */
+var Klass = new Class();
+module.exports = Klass;
 
-var Type =
-{
+var Type = {
 	 EQUAL  : 0
 	,LIKE   : 1
 	,AND    : 2
 	,OR     : 3
 	,REGEXP : 4
+	,LOWER  : 5
+	,UPPER  : 6
+	,LE     : 7
+	,UE     : 8
+	,PLUS   : 9
+	,MINUS  : 10
+	,MULT   : 11
+	,DIV    : 12
+	,NE     : 13
+	,MOD    : 14
 };
 
-var Operators =
-[
+var Operators = [
 	 '='
 	,'LIKE'
 	,'AND'
 	,'OR'
 	,'REGEXP'
+	,'<'
+	,'>'
+	,'<='
+	,'>='
+	,'+'
+	,'-'
+	,'*'
+	,'/'
+	,'<>'
+	,'MOD'
 ];
 
-Operation.extend
-({
+Klass.extend({
 	Type: Type
 	,Operators: Operators
 });
 
-Operation.implement
-({
+Klass.implement({
 	Extends: Expr
+	,Implements: ListHolder
 	,Tag: 'sql-operation'
-	,Properties:
-	{
-		type:
-		{
+	,Properties: {
+		type: {
 			enumType: Type
 			,value: -1
+		},
+		target: {
+			type: String
+			,value: null
+		},
+		exprs: {
+			type: Array
+			,set: function(x) {
+				this.list = x;
+			}
+			,get: function() {
+				return this.list;
+			}
 		}
 	}
 
-	,initialize: function (props)
-	{
-		this.parent (props);
-		this.link ({exprs: new Sql.List ()}, {'changed': this.onListChange});
-	}
-	
-	,appendChild: function (child)
-	{
-		this.exprs.add (child);
-	}
-
-	,onListChange: function ()
-	{
-		this.signalEmit ('changed');
-	}
-
-	,isReady: function ()
-	{	
-		return this.exprs.isReady ();
-	}
-
-	,render: function (batch)
-	{
-		var sql = '(';
+	,render: function(params) {
 		var operator = ' '+ Operators[this.type] +' ';
-		var e = this.exprs.getArray ();
-
-		for (var i = 0; i < e.length; i++)
-		{
-			if (i > 0)
-				sql += operator;
-
-			sql += e[i].render (batch);
-		}
-		
-		sql += ')';
-		
-		return sql;
+		return '('
+			+ this.renderListWs(this.list, params, operator)
+			+ ')';
 	}
 });
-
diff --git a/js/sql/search-tags.js b/js/sql/search-tags.js
deleted file mode 100644
index 5fe37250..00000000
--- a/js/sql/search-tags.js
+++ /dev/null
@@ -1,22 +0,0 @@
-
-var Value = require ('./value');
-
-/**
- * The equivalent of a SQL value.
- **/
-module.exports = new Class
-({
-	Extends: Value
-	,Tag: 'sql-search-tags'
-
-	,render: function (batch)
-	{
-		if (typeof this._value == 'string')
-		{
-			var value = this._value.replace (/^|\s+|$/g, '%');
-			return "'" + value.replace (this.regexp, this.replaceFunc) + "'";
-		}
-		else
-			return this.parent ();
-	}
-});
diff --git a/js/sql/select.js b/js/sql/select.js
index 96558a6a..12840246 100644
--- a/js/sql/select.js
+++ b/js/sql/select.js
@@ -1,37 +1,25 @@
 
-var Stmt = require ('./stmt');
-var Field = require ('./field');
+var Stmt = require('./stmt');
+var Field = require('./field');
 
 /**
  * The equivalent of a SQL select.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Stmt
 
 	,expr: []
 
-	,addField: function (fieldName)
-	{
-		this.expr.push (new Field ({name: fieldName}));
+	,addField: function(fieldName) {
+		this.expr.push(new Field({name: fieldName}));
 	}
 
-	,render: function (batch)
-	{
-		var sql = 'SELECT '
-		
-		for (var i = 0; i < this.expr.length; i++)
-		{
-			if (i > 0)
-				sql += ', ';
-			sql += this.expr[i].render(batch);
-		}
-		
-		sql += ' FROM ' + this.renderTarget (batch);
-		
-		if (this.where)
-			sql += ' WHERE ' + this.where.render (batch);
-		
-		return sql;
+	,render: function(params) {
+		return 'SELECT '
+			+ this.renderListWs(this.expr, params, ', ')
+			+ ' FROM'
+			+ this.renderTarget(params)
+			+ this.renderIfSet(this.where, 'WHERE', params)
+			+ this.renderLimit(params);
 	}
 });
diff --git a/js/sql/sql.js b/js/sql/sql.js
index 7de038f9..068b8231 100644
--- a/js/sql/sql.js
+++ b/js/sql/sql.js
@@ -1,28 +1,29 @@
 
-require ('vn/vn');
+require('vn/vn');
 
 Sql = module.exports = {
-	 Object     : require ('./object')
-	,Holder     : require ('./holder')
-	,Batch      : require ('./batch')
-	,List       : require ('./list')
-	,Expr       : require ('./expr')
-	,Value      : require ('./value')
-	,Field      : require ('./field')
-	,Function   : require ('./function')
-	,Operation  : require ('./operation')
-	,Target     : require ('./target')
-	,Table      : require ('./table')
-	,Stmt       : require ('./stmt')
-	,Dml        : require ('./dml')
-	,String     : require ('./string')
-	,Delete     : require ('./delete')
-	,Insert     : require ('./insert')
-	,Select     : require ('./select')
-	,Update     : require ('./update')
-	,MultiStmt  : require ('./multi-stmt')
-	,Filter     : require ('./filter')
-	,FilterItem : require ('./filter-item')
-	,SearchTags : require ('./search-tags')
+	 Object     : require('./object')
+	,Holder     : require('./holder')
+	,List       : require('./list')
+	,ListHolder : require('./list-holder')
+	,Expr       : require('./expr')
+	,Value      : require('./value')
+	,Field      : require('./field')
+	,Function   : require('./function')
+	,Operation  : require('./operation')
+	,Target     : require('./target')
+	,Table      : require('./table')
+	,Join       : require('./join')
+	,JoinItem   : require('./join-item')
+	,Stmt       : require('./stmt')
+	,Dml        : require('./dml')
+	,String     : require('./string')
+	,Delete     : require('./delete')
+	,Insert     : require('./insert')
+	,Select     : require('./select')
+	,Update     : require('./update')
+	,MultiStmt  : require('./multi-stmt')
+	,Filter     : require('./filter')
+	,FilterItem : require('./filter-item')
 };
 
diff --git a/js/sql/stmt.js b/js/sql/stmt.js
index ba7e86c3..a6d3e564 100644
--- a/js/sql/stmt.js
+++ b/js/sql/stmt.js
@@ -1,47 +1,40 @@
 
-var Object = require ('./object');
-var Expr = require ('./expr');
+var Object = require('./object');
+var Expr = require('./expr');
 
 /**
  * The equivalent of a SQL statement.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Object
-	,Properties:
-	{
-		where:
-		{
+	,Properties: {
+		where: {
 			type: Expr
 			,value: null
+		},
+		limit: {
+			type: Number
+			,value: null
 		}
 	}
 
 	,target: []
 
-	,addTarget: function (target)
-	{
-		this.target.push (target);
+	,addTarget: function(target) {
+		this.target.push(target);
 	}
 
-	,renderTarget: function (batch)
-	{
-		var sql;
-		var len = this.target.length;
-		
-		if (len > 0)
-		{
-			sql = ' ';
-		
-			for (var n = 0; n < len; n++)
-			{
-				if (n > 0) sql += ', ';
-				sql += this.target[n].render (batch);
-			}
-		}
+	,renderTarget: function(params) {
+		if (this.target.length > 0)
+			return ' '+ this.renderListWs(this.target, params, ', ');
 		else
-			sql += 'DUAL';
-		
-		return sql;
-	}		
+			return ' DUAL';
+	}
+	
+	,renderLimit: function() {
+		if (this.limit != null)
+			return ' LIMIT '+ parseInt(this.limit);
+		else
+			return '';
+	}
 });
diff --git a/js/sql/string.js b/js/sql/string.js
index b58341f4..ed8989b4 100644
--- a/js/sql/string.js
+++ b/js/sql/string.js
@@ -1,45 +1,45 @@
 
-var Stmt = require ('./stmt');
-var Holder = require ('./holder');
+var Stmt = require('./stmt');
+var Holder = require('./holder');
 
 /**
  * Literal SQL string.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Stmt
-	,Properties:
-	{
-		query:
-		{
+	,Tag: 'sql-string'
+	,Properties: {
+		query: {
 			type: String
 			,value: null
 		}
 	}
 
 	,regexp: /#\w+/g
-	
-	,replaceFunc: function (batch, token)
-	{
-		var holder = new Holder ({id: token.substr (1)});
-		return holder.render (batch);
+
+	,appendChild: function(child) {
+		if (child.nodeType === Node.TEXT_NODE)
+			this.query = child.textContent;
 	}
 
-	,render: function (batch)
-	{
+	,render: function(params) {
 		if (!this.query)
 			return null;
+			
+		function replaceFunc(token) {
+			var holder = new Holder({id: token.substr(1)});
+			return holder.render(params);
+		}
 
-		return this.query.replace (this.regexp, this.replaceFunc.bind (this, batch));
+		return this.query.replace(this.regexp, replaceFunc);
 	}
 
-	,findHolders: function ()
-	{
-		var ids = this.query.match (this.regexp);
+	,findHolders: function() {
+		var ids = this.query.match(this.regexp);
 		
 		if (ids)
 		for (var i = 0; i < ids.length; i++)
-			ids[i] = ids[i].substr (1);
+			ids[i] = ids[i].substr(1);
 			
 		return ids;
 	}
diff --git a/js/sql/table.js b/js/sql/table.js
index 7e5bcf9c..e97c8eec 100644
--- a/js/sql/table.js
+++ b/js/sql/table.js
@@ -1,30 +1,33 @@
 
-var Target = require ('./target');
+var Target = require('./target');
 
 /**
  * Represents a database table.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Target
-	,Properties:
-	{
-		name:
-		{
+	,Properties: {
+		name: {
 			type: String
 			,value: null
 		},
-		schema:
-		{
+		alias: {
+			type: String
+			,value: null
+		},
+		schema: {
 			type: String
 			,value: null
 		}
 	}
 
-	,render: function (batch)
-	{
-		var sql = this.schema ? '`' + this.schema + '`.' : '';
-		sql += '`' +  this.name + '`';
+	,render: function() {
+		var sql = this.renderPreIdent(this.schema)
+			+ this.renderIdent(this.name);
+
+		if (this.alias)
+			sql += ' AS '+ this.renderIdent(this.alias);
+
 		return sql;
 	}
 });
diff --git a/js/sql/target.js b/js/sql/target.js
index 1065f09a..bb19092c 100644
--- a/js/sql/target.js
+++ b/js/sql/target.js
@@ -1,10 +1,9 @@
 
-var Object = require ('./object');
+var Object = require('./object');
 
 /**
  * The equivalent of a SQL target.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Object
 });
diff --git a/js/sql/update.js b/js/sql/update.js
index 456a3aec..8c91eab8 100644
--- a/js/sql/update.js
+++ b/js/sql/update.js
@@ -1,32 +1,28 @@
 
-var Dml = require ('./dml');
+var Dml = require('./dml');
 
 /**
  * The equivalent of a SQL update.
- **/
-module.exports = new Class
-({
+ */
+module.exports = new Class({
 	Extends: Dml
 
-	,render: function (batch)
-	{
-		var sql;
-		var n;
+	,render: function(params) {
+		var sql = 'UPDATE'
+			+ this.renderTarget(params)
+			+ ' SET ';
 		
-		sql = 'UPDATE ' + this.renderTarget (batch) + ' SET ';
-		
-		for (n = 0; n < this.field.length; n++)
-		{
-			if (n > 0)
+		this.field.forEach(function(field, i) {
+			if (i > 0)
 				sql += ', ';
-			sql += this.field[n].render () + ' = ' + this.expr[n].render(batch);
-		}
+
+			sql += field.render(params) 
+				+ ' = '
+				+ this.expr[i].render(params);
+		}, this);
 		
-		if (this.where)
-			sql += ' WHERE ' + this.where.render (batch);
-			
-		sql += ' LIMIT 1';	// Only for security.
-			
+		sql += this.renderIfSet(this.where, 'WHERE', params)
+			+ this.renderLimit(params);
 		return sql;
 	}
 });
diff --git a/js/sql/value.js b/js/sql/value.js
index f0c6a061..6e069472 100644
--- a/js/sql/value.js
+++ b/js/sql/value.js
@@ -3,69 +3,80 @@ var Expr = require('./expr');
 
 /**
  * The equivalent of a SQL value.
- **/
+ */
 module.exports = new Class({
-	Extends: Expr
-	,Tag: 'sql-value'
 
-	,Properties:
-	{
-		/**
-		 * The master param.
-		 **/
-		param:
-		{
-			type: Vn.Param
+	Extends: Expr
+	,Implements: Vn.ParamIface
+	,Tag: 'sql-value'
+	,Properties: {
+		value: {
+			type: null
 			,set: function(x) {
-				this.link({_param: x}, {'changed': this.onParamChange});
-				this.onParamChange();
+				this._setValue(x);
+			}
+			,get: function() {
+				return this._value;
+			}
+		},
+		type: {
+			type: Type
+			,set: function(x) {
+				this._setType(x);
+			}
+			,get: function() {
+				return this._type;
+			}
+		},
+		param: {
+			type: Vn.ParamIface
+			,set: function(x) {
+				this._setParam(x);
 			}
 			,get: function() {
 				return this._param;
 			}
 		},
-		/**
-		 * The value.
-		 **/
-		value:
-		{
-			type: String
+		lot: {
+			type: Vn.LotIface
 			,set: function(x) {
-				if (Vn.Value.compare(x, this._value))
-					return;
-
-				if (x instanceof Date)
-					x = x.clone();
-			
-				this._value = x;
-		
-				if (this._param && !this.paramLock) {
-					this.paramLock = true;
-					this._param.value = x;
-					this.paramLock = false;
-				}
-
-				this.signalEmit('changed');
+				this._setLot(x);
 			}
 			,get: function() {
-				return this._value;
+				return this._lot;
+			}
+		},
+		name: {
+			type: String
+			,set: function(x) {
+				this._name = x;
+				this._onLotChange();
+			}
+			,get: function() {
+				return this._name;
+			}
+		},
+		oneWay: {
+			type: Boolean
+			,set: function(x) {
+				this._oneWay = x;
+			}
+			,get: function() {
+				return this._oneWay;
+			}
+		},
+		oneTime: {
+			type: Boolean
+			,set: function(x) {
+				this._oneTime = x;
+			}
+			,get: function() {
+				return this._oneTime;
 			}
 		}
 	}
 
-	,_value: undefined
-	,_param: null
 	,regexp: new RegExp('(\\\\)|\'', 'g')
-	,paramLock: false
-
-	,onParamChange: function() {
-		if (this.paramLock || !this._param)
-			return;
-	
-		this.paramLock = true;
-		this.value = this._param.value;
-		this.paramLock = false;
-	}
 	
 	,isReady: function() {
 		return this._value !== undefined;
diff --git a/js/vn/browser.js b/js/vn/browser.js
index fde58c69..92986ab0 100644
--- a/js/vn/browser.js
+++ b/js/vn/browser.js
@@ -1,36 +1,29 @@
 
-module.exports =
-{
-	getPageYOffset: function ()
-	{
+module.exports = {
+	getPageYOffset: function() {
 		return window.pageYOffset;
 	},
 
-	getPageXOffset: function ()
-	{
+	getPageXOffset: function() {
 		return window.pageXOffset;
 	},
 
-	getInnerHeight: function ()
-	{
+	getInnerHeight: function() {
 		return window.innerHeight;
 	},
 
-	getInnerWidth: function ()
-	{
+	getInnerWidth: function() {
 		return window.innerWidth;
 	},
 	
-	createRadio: function (uid, doc)
-	{
-		var radio = doc.createElement ('input');
+	createRadio: function(uid, doc) {
+		var radio = doc.createElement('input');
 		radio.type = 'radio';
 		radio.name = uid;
 		return radio;
 	},
 
-	setInputTypeNumber: function (input)
-	{
+	setInputTypeNumber: function(input) {
 		input.type = 'number';
 	}
 };
diff --git a/js/vn/builder.js b/js/vn/builder.js
index fd741cce..ee6182b6 100644
--- a/js/vn/builder.js
+++ b/js/vn/builder.js
@@ -1,111 +1,71 @@
+const VnObject = require('./object');
+const Scope = require('./scope');
+const kebabToCamel = require('./string-util').kebabToCamel;
 
-var Object = require ('./object');
+const CompilerObject = require('./compiler-object');
+const CompilerElement = require('./compiler-element');
+const CompilerText = require('./compiler-text');
+
+const regCompilers = [
+	CompilerText,
+	CompilerObject,
+	CompilerElement
+];
 
 /**
  * Creates a object from a XML specification.
- **/
-module.exports = new Class
-({
-	 Extends: Object
-	,_addedMap: {}
-	,_contexts: null
-	
-	,add: function (id, object)
-	{
-		this._addedMap[id] = object;
-	}
-	
-	,setParent: function (parentResult)
-	{
-		this._parentResult = parentResult;
-		
-		if (parentResult && !this.signalData)
-			this.signalData = parentResult.builder.signalData;
-	}
-	
-	,getMain: function (result)
-	{
-		return result.objects[this._mainContext];
-	}
-	
-	,getById: function (result, objectId)
-	{
-		var index = this._contextMap[objectId];
-		
-		if (index !== undefined)
-			return result.objects[index];
-
-		var object = this._addedMap[objectId];
-
-		if (object !== undefined)
-			return object;
-
-		if (this._parentResult)
-			return this._parentResult.getById (objectId);
-
-		return null;
-	}
-	
-	,getByTagName: function (result, tagName)
-	{	
-		var tags = this._tags[tagName];
-	
-		if (tags)
-		{
-			var arr = new Array (tags.length);
-			
-			for (var i = 0; i < tags.length; i++)
-				arr[i] = result.objects[tags[i]];
-
-			return arr;
-		}
-		
-		return [];
-	}
+ */
+module.exports = new Class({
+	 Extends: VnObject
 
 	/**
 	 * Compiles an XML file.
 	 *
-	 * @path String The XML path
-	 * @dstDocument Document The document used to create the nodes
-	 * @return %true on success, %false othersise
-	 **/
-	,loadXml: function (path, dstDocument)
-	{
+	 * @param {String} path The XML path
+	 * @return {Boolean} %true on success, %false othersise
+	 */
+	,compileFile: function(path) {
 		this._path = path;
-		return this.loadFromXmlDoc (Vn.getXml (path), dstDocument);
-	}
-	
-	,loadFromString: function (xmlString, dstDocument)
-	{
-		var parser = new DOMParser ();
-		var xmlDoc = parser.parseFromString (xmlString, 'text/xml');
-		return this.loadFromXmlDoc (xmlDoc, dstDocument);
-	}
-	
-	,loadFromXmlDoc: function (xmlDoc, dstDocument)
-	{	
-		if (!xmlDoc)
-			return false;
+		return this.compileDocument(Vn.getXml(path));
+	 }
 
-		this._compileInit (dstDocument);
+	/**
+	 * Compiles an XML string.
+	 *
+	 * @param {String} xmlString The XML string
+	 * @return {Boolean} %true on success, %false othersise
+	 */
+	,compileString: function(xmlString) {
+		const parser = new DOMParser();
+		const doc = parser.parseFromString(xmlString, 'text/xml');
+		return this.compileDocument(doc);
+	 }
 
-		var docElement = xmlDoc.documentElement;
+	/**
+	 * Compiles a XML document.
+	 *
+	 * @param {Document} doc The DOM document
+	 * @return {Boolean} %true on success, %false othersise
+	 */
+	,compileDocument: function(doc) {
+		if (!doc)
+		return false;
+
+		this._preCompile();
+		const docElement = doc.documentElement;
 		
-		if (docElement.tagName !== 'vn')
-		{
-			this._showError ('Malformed XML');
+		if (docElement.tagName !== 'vn') {
+			this.showError('The toplevel tag should be named \'vn\'');
 			this._contexts = null;
 			return false;
 		}
 
-		var childs = docElement.childNodes;
-
+		const childs = docElement.childNodes;
 		if (childs)
-		for (var i = 0; i < childs.length; i++)
-			this._compileNode (childs[i]);
+		for (let i = 0; i < childs.length; i++)
+			this._compile(childs[i]);
 
-		this._compileEnd ();
+		this._postCompile();
 		return true;
 	}
 	
@@ -113,503 +73,96 @@ module.exports = new Class
 	 * Compiles a single DOM node.
 	 *
 	 * @path Node The DOM node
-	 * @dstDocument Document The document used to create the nodes
 	 * @return %true on success, %false othersise
-	 **/
-	,loadXmlFromNode: function (node, dstDocument)
-	{
-		this._compileInit (dstDocument);
-		this._mainContext = this._compileNode (node).id;
-		this._compileEnd ();
+	 */
+	,compileNode: function(node) {
+		this._preCompile();
+		this._mainContext = this._compile(node).id;
+		this._postCompile();
 		return true;
 	}
-	
-	,load: function ()
-	{
-		if (this._contexts === null)
-			return null;
-	
-		var contexts = this._contexts;
-		var len = contexts.length;
-		var objects = new Array (len);
-	
-		for (var i = 0; i < len; i++)
-		{
-			var context = contexts[i];
-			
-			if (context.tagName)
-				objects[i] = this.elementInstantiate (context);
-			else if (context.klass)
-				objects[i] = this.objectInstantiate (context);
-			else
-				objects[i] = this.textInstantiate (context);
-		}
-		
-		return new BuilderResult (this, objects);
-	}
-	
-	,link: function (result)
-	{
-		var objects = result.objects;
-	
-		for (var i = this._links.length - 1; i >= 0; i--)
-		{
-			var l = this._links[i];
-			var addedObject = this._addedMap[l.objectId];
 
-			if (addedObject)
-			{
-				if (l.prop)
-					objects[l.context.id][l.prop] = addedObject;
-				else
-					objects[l.context.id].appendChild (addedObject);
-			}
-			else
-				this._showError ('Referenced unexistent object with id \'%s\'',
-					l.objectId);
-		}
-
-		var contexts = this._contexts;
-		for (var i = 0; i < contexts.length; i++)
-		{
-			var context = contexts[i];
-			var object = objects[i];
-
-			if (context.tagName)
-				this.elementLink (context, object, objects, result);
-			else if (context.klass)
-				this.objectLink (context, object, objects, result);
-		}
-	}
-	
-	,_compileInit: function (dstDocument)
-	{
+	/**
+	 * Called before starting to compile nodes.
+	 */
+	,_preCompile: function() {
 		this._path = null;
 		this._tags = {};
 		this._contexts = [];
+		this._exprContexts = [];
 		this._contextMap = {};
 		this._links = [];
 		this._mainContext = null;
-		this._doc = dstDocument ? dstDocument : document;
+
+		this._compilers = [];
+		for (regCompiler of regCompilers)
+			this._compilers.push(new regCompiler(this));
 	}
 	
-	,_compileEnd: function ()
-	{
-		for (var i = this._links.length - 1; i >= 0; i--)
-		{
-			var l = this._links[i];
-			var contextId = this._contextMap[l.objectId];
-			
-			if (contextId != undefined)
-			{
-				if (l.prop)
-					l.context.objectProps[l.prop] = contextId;
-				else
-					l.context.childs.push (contextId);
-				
-				this._links.splice (i, 1);
-			}
-			else
-			{
-				var object = this._addedMap[l.objectId];
-				
-				if (!object && this._parentResult)
-					object = this._parentResult.getById (l.objectId);
-			
-				if (object)
-				{
-					l.context.props[l.prop] = object;
-					this._links.splice (i, 1);
-				}
-			}
-		}
+	/**
+	 * Called after all nodes have been compiled.
+	 */
+	,_postCompile: function() {
+		for (const compiler of this._compilers)
+			compiler.postCompile(this._contextMap);
 	}
 
-	,_compileNode: function (node)
-	{
-		var context = null;
-		var tagName = null;
+	/**
+	 * Compiles a node.
+	 */
+	,_compile: function(node) {
+		let context = null;
+		let tagName = null;
+		const isElement = node.nodeType === Node.ELEMENT_NODE;
 
-		if (node.nodeType === Node.ELEMENT_NODE)
-			tagName = node.tagName.toLowerCase ();
+		if (isElement)
+			tagName = node.tagName.toLowerCase();
 		else if (node.nodeType !== Node.TEXT_NODE
-		|| /^[\n\r\t]*$/.test (node.textContent))
+		|| /^[\n\r\t]*$/.test(node.textContent))
 			return null;
-			
-		var context = 
-			   this.textCompile (node, tagName)
-			|| this.objectCompile (node, tagName)
-			|| this.elementCompile (node, tagName);
+
+		let i;
+		const compilers = this._compilers;
+		for (i = 0; i < compilers.length && context === null; i++)
+			context = compilers[i].compile(this, node, tagName);
 
 		context.id = this._contexts.length;
+		context.compiler = compilers[i - 1];
 
-		if (tagName)
-		{
-			var nodeId = node.getAttribute ('id');
+		if (isElement) {
+			const nodeId = node.getAttribute('id');
 	
-			if (nodeId)
-				this._contextMap[nodeId] = context.id;
+			if (nodeId) {
+				this._contextMap[kebabToCamel(nodeId)] = context.id;
+				context.nodeId = nodeId;
+			}
 
-			var tags = this._tags[tagName];
-		
+			let tags = this._tags[tagName];
 			if (!tags)
 				this._tags[tagName] = tags = [];
 			
-			tags.push (context.id);
+			tags.push(context.id);
 		}
 
-		this._contexts.push (context);
+		this._contexts.push(context);
 		return context;
 	}
-
-	/**
-	 * Creates a text node context.
-	 **/
-	,textCompile: function (node, tagName)
-	{
-		if (!tagName)
-			var text = node.textContent;
-		else if (tagName === 't')
-			var text = _(node.firstChild.textContent); 
-		else
-			return null;
-
-		return {text: text};
-	}
 	
-	,textInstantiate: function (context)
-	{
-		return this._doc.createTextNode (context.text);
-	}
-	
-	/**
-	 * Creates a object context.
-	 **/
-	,objectCompile: function (node, tagName)
-	{
-		var klass = vnCustomTags[tagName];
-		
-		if (!klass)
-			return null;
-
-		var props = {};
-		var objectProps = {};
-		var childs = [];
-		var events = {};
-			
-		var context = {
-			klass: klass,
-			props: props,
-			objectProps: objectProps,
-			childs: childs,
-			events: events,
-			custom: null
-		};
-
-		var a = node.attributes;
-
-		for (var i = 0; i < a.length; i++)
-		{
-			var attribute = a[i].nodeName;
-			var value = a[i].nodeValue;
-
-			if (this._isEvent (attribute))
-			{
-				var handler = this._getMethod (value)
-				
-				if (handler)
-					events[attribute.substr (3)] = handler;
-			}
-			else if (!/^(id|property)$/.test (attribute))
-			{
-				this.propCompile (context, klass, props,
-					node, attribute, value);
-			}
-		}
-		
-		var childNodes = node.childNodes;
-
-		if (childNodes)
-		for (var i = 0; i < childNodes.length; i++)
-		{
-			var child = childNodes[i];
-			var isElement = child.nodeType === Node.ELEMENT_NODE;
-			var childTagName = isElement ? child.tagName.toLowerCase () : null;
-			var childContext;
-			
-			if (childTagName === 'pointer')
-			{
-				this._addLink (context, null, child.getAttribute ('object'));
-			}
-			else if (childTagName === 'custom')
-			{
-				context.custom = child;
-			}
-			else if (childContext = this._compileNode (child))
-			{
-				var prop = isElement ? child.getAttribute ('property') : null;
-	
-				if (prop)
-				{
-					prop = prop.replace (/-./g, this._replaceFunc); 
-					objectProps[prop] = childContext.id;
-				}
-				else
-					childs.push (childContext.id);
-			}
-		}
-
-		return context;
+	,load: function(dstDocument, thisArg, parentScope) {
+		if (!this._contexts) return null;
+		const doc = dstDocument ? dstDocument : document;
+		const objects = new Array(this._contexts.length);
+		const exprValues = new Array(this._exprContexts.length);
+		return new Scope(this, doc, objects, exprValues, thisArg, parentScope);
 	}
 
-	,propCompile: function (context, klass, props, node, attribute, value)
-	{
-		var isLink = false;
-		var newValue = null;
-		var propName = attribute.replace (/-./g, this._replaceFunc);
-		var propInfo = klass.Properties[propName];
+	,showError: function(error) {
+		const path = this._path ? this._path : 'Node';		
+		const logArgs = ['Vn.Builder: %s: '+ error, path];
 
-		if (!propInfo)
-		{
-			this._showError ('Attribute \'%s\' not valid for tag \'%s\'',
-				attribute, node.tagName);
-			return;
-		}
-		if (!value)
-		{
-			this._showError ('Attribute \'%s\' empty on tag \'%s\'',
-				attribute, node.tagName);
-			return;
-		}
-
-		switch (propInfo.type)
-		{
-			case Boolean:
-				newValue = (/^(true|1)$/i).test (value);
-				break;
-			case Number:
-				newValue = 0 + new Number (value);
-				break;
-			case String:
-				newValue = this._translateValue (value);
-				break;
-			case Function:
-				var method = this._getMethod (value);
-				newValue = method ? method.bind (this.signalData) : null;
-				break;
-			default:
-			if (propInfo.enumType)
-				newValue = propInfo.enumType[value];
-			else if (propInfo.type instanceof Function)
-				isLink = true;
-		}
-		
-		if (isLink)
-			this._addLink (context, propName, value);
-		else if (newValue !== null && newValue !== undefined)
-			props[propName] = newValue;
-		else
-			this._showError ('Attribute \'%s\' invalid for tag \'%s\'',
-				attribute, node.tagName);
-	}
+		for (let i = 1; i < arguments.length; i++)
+			logArgs.push(arguments[i]);
 	
-	,objectInstantiate: function (context)
-	{
-		return new context.klass ();
-	}
-	
-	,objectLink: function (context, object, objects, res)
-	{
-		object.setProperties (context.props);
-	
-		var objectProps = context.objectProps;
-		for (var prop in objectProps)
-			object[prop] = objects[objectProps[prop]];
-
-		var childs = context.childs;
-		for (var i = 0; i < childs.length; i++)
-			object.appendChild (objects[childs[i]]);
-		
-		var events = context.events;
-		for (var event in events)
-			object.on (event, events[event], this.signalData);
-
-		if (context.custom)
-			object.loadXml (res, context.custom);
-	}
-	
-	/**
-	 * Creates a HTML node context.
-	 **/
-	,elementCompile: function (node, tagName)
-	{
-		var attributes = {};
-		var childs = [];
-		var events = {};
-		var handler;
-
-		var a = node.attributes;
-
-		for (var i = 0; i < a.length; i++)
-		{
-			var attribute = a[i].nodeName;
-			var value = a[i].nodeValue;
-
-			if (this._isEvent (attribute))
-			{
-				var handler = this._getMethod (value);
-				
-				if (handler)
-					events[attribute.substr (3)] = handler;
-			}
-			else if (attribute !== 'id')
-				attributes[attribute] = this._translateValue (value);
-		}
-
-		var childContext;
-		var childNodes = node.childNodes;
-
-		if (childNodes)
-		for (var i = 0; i < childNodes.length; i++)
-		if (childContext = this._compileNode (childNodes[i]))
-				childs.push (childContext.id);
-
-		return {
-			tagName: tagName,
-			attributes: attributes,
-			childs: childs,
-			events: events
-		};
-	}
-	
-	,elementInstantiate: function (context)
-	{
-		return this._doc.createElement (context.tagName);
-	}
-	
-	,elementLink: function (context, object, objects)
-	{
-		var attributes = context.attributes;
-		for (var attribute in attributes)
-			object.setAttribute (attribute, attributes[attribute]);
-
-		var childs = context.childs;
-		for (var i = 0; i < childs.length; i++)
-		{
-			var child = objects[childs[i]];
-		
-			if (child instanceof Htk.Widget)
-				child = child.node;
-			if (child instanceof Node)
-				object.appendChild (child);
-		}
-		
-		var events = context.events;
-		for (var event in events)
-			object.addEventListener (event,
-				events[event].bind (this.signalData));
-	}
-	
-	,_showError: function (error)
-	{
-		var path = this._path ? this._path : 'Node';		
-		var logArgs = ['Vn.Builder: %s: '+ error, path];
-
-		for (var i = 1; i < arguments.length; i++)
-			logArgs.push (arguments[i]);
-	
-		console.warn.apply (null, logArgs);
-	}
-	
-	,_addLink: function (context, prop, objectId)
-	{
-		this._links.push ({
-			 context: context
-			,prop: prop
-			,objectId: objectId
-		});
-	}
-
-	,_translateValue: function (value)
-	{
-		var chr = value.charAt (0);
-
-		if (chr === '_')
-			return _(value.substr (1));
-		else if (chr === '\\' && value.charAt (1) === '_')
-			return value.substr (1);
-			
-		return value;		
-	}
-	
-	,_getMethod: function (value)
-	{	
-		if (this.signalData)
-			var method = this.signalData[value];
-		else
-			var method = window[value];
-
-		if (method === undefined)
-			this._showError ('Function \'%s\' not found', value);
-
-		return method;
-	}
-	
-	,_isEvent: function (attribute)
-	{
-		return /^on-\w+/.test (attribute);
-	}
-	
-	,_replaceFunc: function (token)
-	{
-		return token.charAt(1).toUpperCase ();
+		console.warn.apply(null, logArgs);
 	}
 });
-
-var BuilderResult = new Class
-({
-	Extends: Object
-
-	,initialize: function (builder, objects)
-	{
-		this.builder = builder;
-		this.objects = objects;
-	}
-
-	,getMain: function ()
-	{
-		return this.builder.getMain (this);
-	}
-	
-	,$: function (objectId)
-	{
-		return this.builder.getById (this, objectId);
-	}
-	
-	,getById: function (objectId)
-	{
-		return this.builder.getById (this, objectId);
-	}
-	
-	,getByTagName: function (tagName)
-	{
-		return this.builder.getByTagName (this, tagName);
-	}
-	
-	,link: function ()
-	{
-		this.builder.link (this);
-	}
-	
-	,_destroy: function ()
-	{
-		var objects = this.objects;
-	
-		for (var i = 0; i < objects.length; i++)
-		if (objects[i] instanceof Object)
-			objects[i].unref ();
-
-		this.parent ();
-	}
-});
-
diff --git a/js/vn/compiler-element.js b/js/vn/compiler-element.js
new file mode 100644
index 00000000..61441f9c
--- /dev/null
+++ b/js/vn/compiler-element.js
@@ -0,0 +1,85 @@
+const Compiler = require('./compiler');
+const Component = require('./component');
+const VnNode = require('./node');
+
+/**
+ * Compiles a @HTMLElement from element tag.
+ */
+ module.exports = new Class({
+	Extends: Compiler
+
+	,compile: function(builder, node, tagName) {
+		const context = {
+			tagName,
+			attributes: {},
+			childs: [],
+			events: {}
+		};
+		const {attributes} = context;
+
+		const a = node.attributes;
+		for (let i = 0; i < a.length; i++) {
+			const attribute = a[i].nodeName;
+			const value = a[i].nodeValue;
+	
+			if (this.isEvent(attribute)) {
+				const handler = this._getMethod(value);
+				if (handler) context.events[attribute.substr(3)] = handler;
+			} else if (!/^(id|property)$/.test(attribute)) {
+				if (this.isExpr(value))
+					this.compileExpr(context, attribute, value);
+				else
+					attributes[attribute] = this._translateValue(value);
+			}
+		}
+
+		let childContext;
+		const childNodes = node.childNodes;
+
+		if (childNodes)
+		for (let i = 0; i < childNodes.length; i++)
+		if (childContext = builder._compile(childNodes[i]))
+			context.childs.push(childContext.id);
+
+		return context;
+	}
+	
+	,instantiate: function(doc, context, scope) {
+		const object = doc.createElement(context.tagName);
+
+		const attributes = context.attributes;
+		for (const attribute in attributes)
+			object.setAttribute(attribute, attributes[attribute]);
+
+		if (context.nodeId) {
+			const id = context.nodeId;
+			object.setAttribute('id', scope.getHtmlId(id));
+			VnNode.addClass(object, '_'+ id);
+		}
+
+		return object;
+	}
+
+	,setProperty(object, property, value) {
+		object.setAttribute(property, value);
+	}
+	
+	,link: function(context, object, objects, scope) {
+			const childs = context.childs;
+		for (let i = 0; i < childs.length; i++) {
+			let child = objects[childs[i]];
+		
+			if (child instanceof Component)
+				child = child.node;
+			if (child instanceof Node)
+				object.appendChild(child);
+		}
+		
+		const events = context.events;
+		for (const event in events) {
+			const listener = this.bindMethod(events[event], scope, true);
+			if (listener)
+				object.addEventListener(event, listener);
+		}
+	}
+});
diff --git a/js/vn/compiler-object.js b/js/vn/compiler-object.js
new file mode 100644
index 00000000..e623f838
--- /dev/null
+++ b/js/vn/compiler-object.js
@@ -0,0 +1,216 @@
+const Compiler = require('./compiler');
+const Component = require('./component');
+const Type = require('./type');
+const kebabToCamel = require('./string-util').kebabToCamel;
+
+/**
+ * Compiles a @Vn.Object from element tag.
+ */
+module.exports = new Class({
+	Extends: Compiler
+	
+	,_links: []
+
+	/**
+	 * Creates a object context.
+	 */
+	 ,compile: function(builder, node, tagName) {
+		const klass = vnCustomTags[tagName];
+		if (!klass) return null;
+			
+		const context = {
+			klass,
+			props: {},
+			funcProps: {},
+			objectProps: {},
+			childs: [],
+			events: {},
+			custom: null
+		};
+
+		const a = node.attributes;
+		for (let i = 0; i < a.length; i++) {
+			const attribute = a[i].nodeName;
+			const value = a[i].nodeValue;
+
+			if (this.isEvent(attribute)) {
+				const handler = this._getMethod(value)
+				if (handler) context.events[attribute.substr(3)] = handler;
+			} else if (!/^(id|property)$/.test(attribute)) {
+				this.propCompile(context, node, attribute, value);
+			}
+		}
+		
+		const childNodes = node.childNodes;
+
+		if (childNodes)
+		for (let i = 0; i < childNodes.length; i++) {
+			const child = childNodes[i];
+			const isElement = child.nodeType === Node.ELEMENT_NODE;
+			const childTagName = isElement ? child.tagName.toLowerCase() : null;
+			let childContext;
+			
+			if (childTagName === 'pointer') {
+				this._addLink(context, null, child.getAttribute('object'));
+			} else if (childTagName === 'custom') {
+				context.custom = child;
+			} else if (childContext = builder._compile(child)) {
+				let prop = isElement ? child.getAttribute('property') : null;
+	
+				if (prop) {
+					prop = kebabToCamel(prop); 
+					context.objectProps[prop] = childContext.id;
+				} else
+					context.childs.push(childContext.id);
+			}
+		}
+
+		return context;
+	}
+
+	,propCompile: function(context, node, attribute, value) {
+		const tagName = node.tagName;
+		const propName = kebabToCamel(attribute);
+		const propInfo = context.klass.Properties[propName];
+
+		if (!value) {
+			this.showError('Attribute \'%s\' empty on tag \'%s\'',
+				attribute, tagName);
+			return;
+		}
+
+		if (propName == 'vModel') {
+			context.vModel = this.modelExpr(value);
+			return;
+		}
+
+		if (!propInfo) {
+			this.showError('Attribute \'%s\' not valid for tag \'%s\'',
+				attribute, tagName);
+			return;
+		}
+
+		if (this.isExpr(value)) {
+			this.compileExpr(context, propName, value);
+		} else {
+			let isLink = false;
+			let propError = false;
+			let newValue = null;
+
+			switch (propInfo.type) {
+			case Boolean:
+				newValue = (/^(true|1)$/i).test(value);
+				break;
+			case Number:
+				newValue = 0 + new Number(value);
+				break;
+			case String:
+				newValue = this._translateValue(value);
+				break;
+			case Function:
+				context.funcProps[propName] = this._getMethod(value);
+				break;
+			case Type:
+				newValue = window[value];
+				break;
+			default:
+			if (propInfo.enumType)
+				newValue = propInfo.enumType[value];
+			else if (propInfo.type instanceof Function)
+				isLink = true;
+			else
+				propError = true;
+			}
+			
+			if (isLink)
+				this._addLink(context, propName, value);
+			else if (newValue !== null && newValue !== undefined)
+				context.props[propName] = newValue;
+			else if (propError)
+				this.showError('Attribute \'%s\' invalid for tag \'%s\'',
+					attribute, tagName);
+		}
+	}
+	
+	,instantiate: function(doc, context, scope) {
+		const object = new context.klass();
+		object.setProperties(context.props);
+
+		if (context.nodeId && object instanceof Component) {
+			const id = context.nodeId;
+			object.htmlId = scope.getHtmlId(id);
+			object.className = '_'+ id +' '+ (object.className || '');
+		}
+
+		return object;
+	}
+
+	,setProperty(object, property, value) {
+		object[property] = value;
+	}
+
+	,preLink(scope) {
+		const objects = scope.objects;
+		const links = this._links;
+
+		for (let i = links.length - 1; i >= 0; i--) {
+			const link = links[i];
+			const object = objects[link.context.id];
+			const objectRef = scope.$[link.objectId];
+
+			if (objectRef === undefined) {
+				this.showError('Referenced unexistent object with id \'%s\'',
+					link.objectId);
+				continue;
+			}
+			
+			if (link.prop)
+				object[link.prop] = objectRef;
+			else
+				object.appendChild(objectRef);
+		}
+	}
+	
+	,link: function(context, object, objects, scope) {
+		const objectProps = context.objectProps;
+		for (const prop in objectProps)
+			object[prop] = objects[objectProps[prop]];
+
+		const childs = context.childs;
+		for (let i = 0; i < childs.length; i++)
+			object.appendChild(objects[childs[i]]);
+
+		const funcProps = context.funcProps;
+		for (const prop in funcProps)
+			object[prop] = this.bindMethod(funcProps[prop], scope);
+
+		const events = context.events;
+		for (const event in events) {
+			const listener = this.bindMethod(events[event], scope);
+			if (listener)
+				object.on(event, listener, scope.thisArg);
+		}
+
+		if (context.vModel) {
+			object.on('change', function(lot) {
+				context.vModel.call(scope.thisArg, scope.$, lot.$);
+				scope.digest();
+			}, scope);
+		}
+
+		if (context.custom)
+			object.loadXml(scope, context.custom);
+	}
+
+	,_addLink: function(context, prop, objectId) {
+		this._links.push({
+			 context
+			,prop
+			,objectId: kebabToCamel(objectId)
+		});
+	}
+	
+	,_replaceFunc: function(token) {
+		return token.charAt(1).toUpperCase();
+	}
+});
\ No newline at end of file
diff --git a/js/vn/compiler-text.js b/js/vn/compiler-text.js
new file mode 100644
index 00000000..6b21a697
--- /dev/null
+++ b/js/vn/compiler-text.js
@@ -0,0 +1,33 @@
+const Compiler = require('./compiler');
+
+/**
+ * Compiles a @Text from text node.
+ */
+module.exports = new Class({
+	Extends: Compiler
+
+	,compile: function(builder, node, tagName) {
+		if (tagName && tagName != 't')
+			return null;
+
+		const text = node.textContent;
+		const context = {text};
+
+		if (tagName === 't') {
+			context.text = _(node.firstChild.textContent); 
+		} else if (this.isExpr(text, true)) {
+			context.text = '';
+			this.compileExpr(context, null, text, true);
+		}
+
+		return context;
+	}
+	
+	,instantiate: function(doc, context) {
+		return doc.createTextNode(context.text);
+	}
+
+	,setProperty(object, property, value) {
+		object.textContent = value;
+	}
+});
diff --git a/js/vn/compiler.js b/js/vn/compiler.js
new file mode 100644
index 00000000..b505d3b0
--- /dev/null
+++ b/js/vn/compiler.js
@@ -0,0 +1,150 @@
+
+var VnObject = require('./object');
+
+/**
+ * Base class for compilers.
+ */
+module.exports = new Class({
+	Extends: VnObject
+
+	,compile: function() {}
+	,postCompile: function() {}
+	,instantiate: function() {}
+	,preLink: function() {}
+	,link: function() {}
+	,connect: function() {}
+	,postLink: function() {}
+	,setProperty: function() {}
+	,free: function() {}
+
+	,initialize: function(builder) {
+		this._builder = builder;
+		this._interpoler = builder._interpoler;
+		this.parent();
+	}
+
+	/**
+	 * Checks if the passed attribute name it's an event.
+	 * 
+	 * @param {String} attribute The attribute name
+	 * @return {Boolean} %true if it's an event, otherwise %false
+	 */
+	,isEvent: function(attribute) {
+		return /^on-\w+/.test(attribute);
+	}
+
+	,isIdentifier: function(value) {
+		return /^[a-zA-Z_$][\w$]*$/.test(value);
+	}
+
+	/**
+	 * Logs an error parsing the node.
+	 * 
+	 * @param {String} error The error message template
+	 * @param {...} varArgs The message template arguments
+	 */
+	,showError: function() {
+		this._builder.showError.apply(this._builder, arguments);
+	}
+
+	,_getMethod: function(value) {
+		// XXX: Compatibility with old methods
+		return this.isIdentifier(value)
+			? value
+			: this.fnExpr(value);
+	}
+
+	,bindMethod(handler, scope, isEvent) {
+		// XXX: Compatibility with old methods
+		if (typeof handler === 'string') {
+			const method = scope.thisArg[handler];
+			if (!method) {
+				this.showError(`Function '${handler}' not found`);
+				return undefined;
+			}
+
+			return method.bind(scope.thisArg);
+		}
+
+		return function($event) {
+			let handlerScope;
+			if (isEvent) {
+				handlerScope = Object.create(scope.$);
+				Object.assign(handlerScope, {$event});
+			} else
+				handlerScope = scope.$;
+
+			handler.call(this, handlerScope);
+		}.bind(scope.thisArg);
+	}
+
+	,matchExpr(value) {
+		const match = /^{{(.*)}}$/.exec(value);
+		if (!match) return null;
+		return this.fnExpr(match[1]);
+	}
+
+	,modelExpr(expr) {
+		try {
+			return new Function('$scope', '$value',
+				`"use strict"; $scope.${expr} = $value;`
+			);
+		} catch (err) {
+			this.showError(`${err.message}:`, expr);
+		}
+	}
+
+	,exprRegex: /^{{((?:(?!}}).)*)}}$/
+	,exprRegexMulti: /{{((?:(?!}}).)*)}}/g
+
+	,isExpr(expr, isMulti) {
+		return isMulti
+			? this.exprRegexMulti.test(expr)
+			: this.exprRegex.test(expr);
+	}
+
+	,compileExpr(context, property, value, isMulti) {
+		const exprContext = {
+			context,
+			property,
+			value
+		};
+
+		if (isMulti) {
+			let i = 0;
+			const self = this;
+			exprContext.exprs = [];
+			exprContext.template = value.replace(this.exprRegexMulti,
+				function(match, capture) {
+					exprContext.exprs.push(self.fnExpr(capture));
+					return `{{${i++}}}`;
+				});
+		} else {
+			const match = this.exprRegex.exec(value);
+			exprContext.expr = this.fnExpr(match[1]);
+		}
+
+		this._builder._exprContexts.push(exprContext);
+	}
+
+	,fnExpr(expr) {
+		try {
+			return new Function('$scope',
+				`with($scope) { return ${expr}; }`
+			);
+		} catch (err) {
+			this.showError(`${err.message}:`, expr);
+		}
+	}
+
+	,_translateValue: function(value) {
+		var chr = value.charAt(0);
+
+		if (chr === '_')
+			return _(value.substr(1));
+		else if (chr === '\\' && value.charAt(1) === '_')
+			return value.substr(1);
+			
+		return value;
+	}
+});
diff --git a/js/vn/component.js b/js/vn/component.js
new file mode 100644
index 00000000..73974b62
--- /dev/null
+++ b/js/vn/component.js
@@ -0,0 +1,207 @@
+
+const NodeBuilder = require('./node-builder');
+
+const Klass = new Class();
+module.exports = Klass;
+
+Klass.extend({Classes: ''});
+
+const ComponentClass = {
+	Extends: NodeBuilder,
+	Tag: 'vn-component',
+	Properties: {
+		/**
+		 * Main HTML node that represents the component
+		 */
+		node: {
+			type: Object
+			,get: function() {
+				this.renderBase();
+				return this._node;
+			}
+		},
+		/**
+		 * CSS syle.
+		 */
+		style: {
+			type: String
+			,set: function(x) {
+				this.node.style = x;
+			}
+			,get: function() {
+				return this._node.style;
+			}
+		},
+		/**
+		 * CSS classes to be appendend to the node classes.
+		 */
+		class: {
+			type: String
+			,set: function(x) {
+				this._className = x;
+				this._refreshClass();
+			}
+			,get: function() {
+				return this._className;
+			}
+		},
+		/**
+		 * CSS classes to be appendend to the node classes.
+		 */
+		className: {
+			type: String
+			,set: function(x) {
+				this._className = x;
+				this._refreshClass();
+			}
+			,get: function() {
+				return this._className;
+			}
+		},
+		/**
+		 * CSS class list.
+		 */
+		classList: {
+			type: Object
+			,get: function() {
+				return this._node.classList;
+			}
+		},
+		/**
+		 * Title of the element.
+		 */
+		title: {
+			type: String
+			,set: function(x) {
+				this._node.title = x;
+			}
+			,get: function() {
+				return this._node.title;
+			}
+		},
+		/**
+		 * The HTML id of the element.
+		 */
+		htmlId:
+		{
+			type: String
+			,set: function(x) {
+				this._htmlId = x;
+				if (this._node)
+					this._node.id = x;
+			}
+			,get: function() {
+				return this._htmlId;
+			}
+		},
+	}
+
+	,_node: null
+	,scope: null
+	
+	,initialize: function(props) {
+		this.doc = document;
+		this.renderBase();
+		NodeBuilder.prototype.initialize.call(this, props);
+	}
+	
+	,createRoot: function(tagName) {
+		const node = this._node = this.createElement(tagName);
+		node.$ctrl = this;
+		if (this._htmlId)
+			node.id = this._htmlId;
+		if (this.$constructor.Classes)
+			node.className = this.$constructor.Classes;
+		return node;
+	}
+	
+	,appendChild: function(child) {
+		if (child instanceof Klass)
+			this._node.appendChild(child.node);
+		else if (child instanceof Element)
+			this._node.appendChild(child);
+	}
+	
+	,renderBase: function() {
+		if (this._node)
+			return;
+
+		this.render();
+		this._refreshClass();
+	}
+
+	,_refreshClass: function() {
+		if (this._node && this._className)
+			this._node.className = this._className +' '+ (this._node.className || '');
+	}
+	
+	,remove: function() {
+		Vn.Node.remove(this._node);
+	}
+
+	,on: function(id, callback, instance) {
+		if (htmlEventMap[id]) {
+			this.addEventListener(id,
+				callback.bind(instance, this));
+		} else
+			NodeBuilder.prototype.on.call(this, id, callback, instance);
+	}
+
+	,loadTemplateFromFile: function(path) {
+		const builder = new Vn.Builder();
+		builder.compileFile(path);
+		this.loadScope(builder);
+	}
+	
+	,loadTemplateFromString: function(xmlString) {
+		const builder = new Vn.Builder();
+		builder.compileString(xmlString);
+		this.loadScope(builder);
+	}
+	
+	,loadScope: function(builder) {
+		const scope = this.scope = builder.load(this.doc, this);
+		scope.link();
+
+		this.$ = scope.$;
+		this._node = scope.$.main;
+	}
+
+	,_destroy: function() {
+		if (this.scope)
+			this.scope.unref();
+
+		NodeBuilder.prototype._destroy.call(this, );
+	}
+};
+
+htmlEventMap = {};
+htmlEvents = [
+	'click',
+	'dblclick',
+	'keydown',
+	'keypress',
+	'keyup',
+	'mousedown',
+	'mousemove',
+	'mouseout',
+	'mouseover',
+	'mouseup',
+	'mousewheel',
+	'wheel',
+	'focus',
+	'focusout',
+	'focusin'
+];
+htmlEvents.forEach(x => htmlEventMap[x] = true);
+
+htmlMethods = [
+	'addEventListener'
+];
+htmlMethods.forEach(method => {
+	ComponentClass[method] = function() {
+		this.node[method].apply(this.node, arguments);
+	};
+});
+
+Klass.implement(ComponentClass);
diff --git a/js/vn/cookie.js b/js/vn/cookie.js
index 045edbda..7ab233e1 100644
--- a/js/vn/cookie.js
+++ b/js/vn/cookie.js
@@ -1,6 +1,6 @@
 /**
  * Brownser cookie handler.
- **/
+ */
 module.exports =
 {
 	set: function (key, value, days)
diff --git a/js/vn/date.js b/js/vn/date.js
index 96b5a8e0..24fb6598 100644
--- a/js/vn/date.js
+++ b/js/vn/date.js
@@ -1,6 +1,6 @@
 /**
  * Date handling utilities.
- **/
+ */
 
 Date.prototype.clone = function() {
 	return new Date(this.getTime());
@@ -8,8 +8,7 @@ Date.prototype.clone = function() {
 
 module.exports =
 {
-	WDays:
-	[
+	WDays: [
 		 'Sunday'
 		,'Monday'
 		,'Tuesday'
@@ -18,8 +17,7 @@ module.exports =
 		,'Friday'
 		,'Saturday'
 	]
-	,AbrWDays:
-	[
+	,AbrWDays: [
 		 'Su'
 		,'Mo'
 		,'Tu'
@@ -28,8 +26,7 @@ module.exports =
 		,'Fr'
 		,'Sa'
 	]
-	,Months:
-	[
+	,Months: [
 		 'January'
 		,'February'
 		,'March'
@@ -43,13 +40,12 @@ module.exports =
 		,'November'
 		,'December'
 	]
-	,AbrMonths:
-	[
+	,AbrMonths: [
 		 'Jan'
 		,'Feb'
 		,'Mar'
 		,'Apr'
-		,'May'
+		,'AbrMay'
 		,'Jun'
 		,'Jul'
 		,'Ago'
diff --git a/js/vn/enum.js b/js/vn/enum.js
new file mode 100644
index 00000000..3c48b4aa
--- /dev/null
+++ b/js/vn/enum.js
@@ -0,0 +1,4 @@
+/**
+ * Base type for ennumerations.
+ */
+ module.exports = function() {};
diff --git a/js/vn/form.js b/js/vn/form.js
new file mode 100644
index 00000000..208bc25b
--- /dev/null
+++ b/js/vn/form.js
@@ -0,0 +1,72 @@
+
+var Iterator = require('./iterator');
+var ModelIface = require('./model-iface');
+
+module.exports = new Class({
+	Extends: Iterator
+	,Tag: 'db-form'
+	,Properties: {
+		model: { 
+			type: ModelIface
+			,set: function(x) {
+				this.link({_model: x},
+				{
+					 'status-changed': this.onModelChange
+					,'row-updated': this.onModelRowUpdate
+				});
+			}
+			,get: function() {
+				return this._model;
+			}
+		},
+		/**
+		 * The row where the form positioned, has -1 if the row is unselected.
+		 */
+		row: { 
+			type: Number
+			,set: function(x) {
+				if (!this._model || this._model.numRows <= x || x < -1)
+					x = -1;
+				if (x == this._row)
+					return;
+
+				this._row = x;
+				this.rowChanged();
+			}
+			,get: function() {
+				return this._row;
+			}
+		}
+	}
+
+	,initialize: function(props) {
+		Object.assign(this, {
+			 _lastRow: 0
+			,_lastReady: false
+		});
+		Iterator.prototype.initialize.call(this, props);
+	}
+
+	,onModelChange: function() {
+		var ready = this._model && this._model.ready;
+		
+		if (ready != this._lastReady) {
+			if (this._row != -1)
+				this._lastRow = this._row;
+	
+			this._lastReady = ready;
+			this.emit('status-changed');
+			
+			if (this._row == -1)
+				this.row = this._lastRow;
+				
+			if (ready)
+				this.emit('ready');
+		}
+	}
+
+	,onModelRowUpdate: function(model, row) {
+		if (row == this._row)
+			this.rowChanged();
+	}
+});
diff --git a/js/vn/hash-listener.js b/js/vn/hash-listener.js
deleted file mode 100644
index e9f90f4f..00000000
--- a/js/vn/hash-listener.js
+++ /dev/null
@@ -1,15 +0,0 @@
-
-var Object = require ('./object');
-
-/**
- * Class to handle the URL.
- **/
-module.exports = new Class
-({
-	Extends: Object
-
-	,changed: function ()
-	{
-		this.signalEmit ('changed');
-	}
-});
diff --git a/js/vn/hash-param.js b/js/vn/hash-param.js
deleted file mode 100644
index 7af54c9b..00000000
--- a/js/vn/hash-param.js
+++ /dev/null
@@ -1,150 +0,0 @@
-
-var Object = require ('./object');
-var Param = require ('./param');
-var Hash = require ('./hash');
-
-module.exports = new Class
-({
-	Extends: Object
-	,Tag: 'vn-hash-param'
-	,Child: 'param'
-	,Properties:
-	{
-		param:
-		{
-			type: Param
-			,set: function (x)
-			{
-				this.link ({_param: x}, {'changed': this._onParamChange});
-				this._refreshParam ();
-			}
-			,get: function ()
-			{
-				return this._param;
-			}
-		},
-		key:
-		{
-			type: String
-			,set: function (x)
-			{
-				this._key = x;
-				this._onHashChange ();
-			}
-			,get: function ()
-			{
-				return this._key;
-			}
-		},
-		value:
-		{
-			type: Object
-			,set: function (x)
-			{
-				this._setValue (x, true);
-			}
-			,get: function ()
-			{
-				return this._value;
-			}
-		},
-		type:
-		{
-			type: Object
-			,set: function (x)
-			{
-				this._type = x;
-				this._onHashChange ();
-			}
-			,get: function ()
-			{
-				return this._type;
-			}
-		}
-	}
-	
-	,_hashLock: false
-	,_paramLock: false
-	,_value: undefined
-	,_key: null
-	,_type: null
-	
-	,initialize: function (props)
-	{
-		this.parent (props);
-		var listener = Hash.getListener ();
-		this.link ({_listener: listener}, {'changed': this._onHashChange});
-		this._onHashChange ();
-	}
-
-	,_onHashChange: function ()
-	{	
-		if (this._hashLock || !this._key || !this._listener)
-			return;
-
-		var newValue = Hash.get (this._key);
-		
-		if (newValue === '')
-			newValue = null;
-		
-		if (this._type && newValue !== undefined && newValue !== null)
-		switch (this._type)
-		{
-			case Boolean:
-				newValue = (/^(true|1)$/i).test (newValue);
-				break;
-			case Number:
-				newValue = 0 + new Number (newValue);
-				break;
-		}
-
-		this._hashLock = true;
-		this._setValue (newValue, true);
-		this._hashLock = false;
-	}
-	
-	,_setValue: function (newValue, signal)
-	{
-		if (newValue == this._value)
-			return;
-
-		this._value = newValue;
-
-		if (this._key && !this._hashLock)
-		{
-			this._hashLock = true;
-
-			var map = {};
-			map[this._key] = newValue;
-			Hash.add (map);
-
-			this._hashLock = false;
-		}
-		
-		this._refreshParam ();
-		
-		if (signal)
-			this.signalEmit ('changed', newValue);
-	}
-
-	,_refreshParam: function ()
-	{
-		if (this._param && !this._paramLock)
-		{
-			this._paramLock = true;
-			this._param.value = this._value;
-			this._paramLock = false;
-		}
-	}
-	
-	,_onParamChange: function ()
-	{
-		if (this._paramLock)
-			return;
-
-		this._paramLock = true;
-		this._setValue (this._param.value);
-		this._paramLock = false;
-	}
-});
-
diff --git a/js/vn/hash.js b/js/vn/hash.js
index c96ff5de..d7f67ac6 100644
--- a/js/vn/hash.js
+++ b/js/vn/hash.js
@@ -1,134 +1,164 @@
 
-var HashListener = require('./hash-listener');
+var VnDate = require('./date');
+var Lot = require('./lot');
 
 /**
- * Class to handle the URL.
- **/
-module.exports = 
-{
-	 _hash: null
-	,_hashMap: {}
-	,_listener: null
-
-	,initialize: function() {
-		this._listener = new HashListener();
-	
-		this._hashChangedHandler = this._hashChanged.bind(this);
-		window.addEventListener('hashchange', this._hashChangedHandler);
-		this._hashChanged();
-	}
-
-	,destroy: function() {
-		window.removeEventListener('hashchange', this._hashChangedHandler);
-	}
-	
-	,getListener: function() {
-		return this._listener;
-	}
-
-	/**
-	 * Gets the hash part of the URL.
-	 *
-	 * @param {string} key The variable name
-	 **/
-	,get: function(key) {
-		return this._hashMap[key];
-	}
-
-	/**
-	 * Unsets a hash key.
-	 *
-	 * @param {string} key The variable name
-	 **/
-	,unset: function(key) {
-		this.add({[key]: undefined});
-	}
-	
-	/**
-	 * Sets the hash part of the URL, respecting the current hash variables.
-	 *
-	 * @param {Object} map A key-value map
-	 **/
-	,add: function(map) {
-		var newMap = this._hashMap;
-
-		for (var key in map)
-			newMap[key] = map[key];
-			
-		this.set(newMap);
-	}
-	
-	/**
-	 * Sets the hash part of the URL.
-	 *
-	 * @param {Object} map A key-value map
-	 **/
-	,set: function(map) {
-		if (map)
-		for (var key in map)
-		if (map[key] === null || map[key] === undefined)
-			delete map[key];
-
-		var newHash = this.make(map);
-
-		if (!map)
-			map = {};
-
-		if (newHash !== this._hash) {
-			this._hashMap = map;
-			this._hash = newHash;
-			
-			this._blockChanged = true;
-			location.hash = newHash;
-			this._blockChanged = false;
-
-			this._listener.changed();
+ * Class to handle the hash part of the URL as a key-value javascript object.
+ * It also handles dates and objects as a value.
+ */
+module.exports = new Class({
+	Extends: Lot
+	,Properties: {
+		/**
+		 * The main window object.
+		 */
+		window:
+		{
+			type: Window
+			,set: function(x) {
+				this._window = x;
+				x.addEventListener('hashchange', this._hashChangedHandler);
+				this._hashChanged();
+			}
+			,get: function() {
+				return this._window;
+			}
 		}
 	}
 
+	,initialize: function(props) {
+		Object.assign(this, {
+			 _hash: null
+			,_hashLock: false
+			,_window: null
+			,_hashChangedHandler: this._hashChanged.bind(this)
+		});
+		Lot.prototype.initialize.call(this, props);
+	}
+
+	,_paramsChanged: function() {
+		this.updateHash();
+	}
+
 	/**
 	 * Creates a URL with the given hash data.
 	 *
-	 * @param {Object} map A key-value map
-	 * @param {boolean} add %true to combine with the current map, %false otherwise
-	 * @return {String} The URL
-	 **/
-	,make: function(map, add) {
-		var hash = '#!';
-		
-		if (add && map)
-		for (var key in this._hashMap)
-		if (!map[key])
-			map[key] = this._hashMap[key];
+	 * @param {Object} params A key-value object
+	 * @param {boolean} add %true to combine with the current params, %false otherwise
+	 * @return {string} The URL
+	 */
+	,make: function(params, add) {
+		if (add) {
+			params = Object.assign({}, params);
 
-		for (var key in map) {
+			for (var key in this._params)
+			if (!params[key])
+				params[key] = this._params[key];
+		}
+
+		return this.renderHash(params);
+	}
+
+	/**
+	 * Updates the window hash with current params.
+	 */
+	,updateHash: function() {
+		if (this._hashLock)
+			return;
+
+		this._hash = this.renderHash(this._params);
+
+		this._hashLock = true;
+		location.hash = this._hash;
+		this._hashLock = false;
+	}
+
+	/*
+	 * Called when window hash changes.
+	 */
+	,_hashChanged: function() {
+		var newHash = location.hash;
+	
+		if (this._hashLock || this._hash === newHash)
+			return;
+
+		this._hash = newHash;
+
+		this._hashLock = true;
+		this.params = this.parseHash(newHash);
+		this._hashLock = false;
+	}
+
+	/**
+	 * Creates a URL with the given hash data.
+	 *
+	 * @param {Object} params The key-value object
+	 * @return {string} The URL
+	 */
+	,renderHash: function(params) {
+		var hash = '#!';
+
+		for (var key in params)
+		if (params[key] !== undefined) {
 			if (hash.length > 2)
 				hash += '&';
 
-			hash += encodeURIComponent(key) +'='+ encodeURIComponent(map[key]);
+			hash += encodeURIComponent(key) +'='+ this.renderValue(params[key]);
 		}
 	
 		return hash;
 	}
 
-	,_hashChanged: function() {
-		var newHash = location.hash;
-
-		if (this._blockChanged || newHash === this._hash)
-			return;
-
+	/**
+	 * Parses a hash string to a key-value object.
+	 *
+	 * @param {string} hashString The hash string
+	 * @return {Object} The key-value object
+	 */
+	,parseHash: function(hashString) {
 		var newMap = hashMap = {};
-		var kvPairs = newHash.substr(2).split('&');
+		var kvPairs = hashString.substr(2).split('&');
 
 		for (var i = 0; i < kvPairs.length; i++) {
 			var kvPair = kvPairs[i].split('=', 2);
 			
 			if (kvPair[0])
-				newMap[decodeURIComponent(kvPair[0])] = decodeURIComponent(kvPair[1]);
+				newMap[decodeURIComponent(kvPair[0])] = this.parseValue(kvPair[1]);
 		}
 
-		this._hashMap = newMap;
-		this._hash = newHash;
-		this._listener.changed();
+		return newMap;
 	}
-};
+
+	,renderValue: function(v) {
+		if (v == null)
+			return '';
+
+		switch (typeof v) {
+			case 'object':
+			if (v instanceof Date)
+				return VnDate.strftime(v, '%Y-%m-%d');
+			else
+				return JSON.stringify(v)
+		}
+
+		return v;
+	}
+
+	,parseValue: function(v) {
+		if (v == null)
+			return v;
+
+		v = decodeURIComponent(v);
+
+		if (v === '')
+			return null;
+
+		return v;
+	}
+
+	,_destroy: function() {
+		this._window.removeEventListener('hashchange', this._hashChangedHandler);
+		this._window = null;
+		Lot.prototype._destroy.call(this);
+	}
+});
diff --git a/js/vn/ie.js b/js/vn/ie.js
index cb8e7add..29b451f9 100644
--- a/js/vn/ie.js
+++ b/js/vn/ie.js
@@ -1,48 +1,40 @@
 
-module.exports =
-{
-	getPageYOffset: function ()
-	{	
+module.exports = {
+	getPageYOffset: function() {	
 		if (document.documentElement.scrollTop)
 			return document.documentElement.scrollTop;
 		else
 			return document.body.scrollTop;
 	},
 
-	getPageXOffset: function ()
-	{	
+	getPageXOffset: function() {	
 		if (document.documentElement.scrollLeft)
 			return document.documentElement.scrollLeft;
 		else
 			return document.body.scrollLeft;
 	},
 
-	getInnerHeight: function ()
-	{
+	getInnerHeight: function() {
 		if (document.documentElement.clientHeight)
 			return document.documentElement.clientHeight;
 		else
 			return document.body.clientHeight;
 	},
 
-	getInnerWidth: function ()
-	{
+	getInnerWidth: function() {
 		if (document.documentElement.clientWidth)
 			return document.documentElement.clientWidth;
 		else
 			return document.body.clientWidth;
 	},
 
-	createRadio: function (radioName)
-	{
+	createRadio: function(radioName) {
 		var radio;
 
 		try {
-			radio = document.createElement ('<input type="radio" name="' + radioName + '">');
-		}
-		catch (e)
-		{
-			radio = document.createElement ('input');
+			radio = document.createElement('<input type="radio" name="' + radioName + '">');
+		} catch (e) {
+			radio = document.createElement('input');
 			radio.type = 'radio';
 			radio.name = radioName;
 		}
@@ -50,30 +42,26 @@ module.exports =
 		return radio;
 	},
 
-	setInputTypeNumber: function (input)
-	{
+	setInputTypeNumber: function(input) {
 		input.type = 'text';
 	}
 };
 
-if (!Function.bind)
-{
-	Function.prototype.bind = function ()
-	{
+if (!Function.bind) {
+	Function.prototype.bind = function() {
 		var bindFunc = this;
 		var bindThis = arguments[0];
 		var bindArgs = arguments;
 
-		var IE_bind = function ()
-		{
-			var args = new Array ();
+		var IE_bind = function() {
+			var args = new Array();
 	
 			for (var i = 1; i < bindArgs.length; i++)
-				args.push (bindArgs[i]);
+				args.push(bindArgs[i]);
 			for (var i = 0; i < arguments.length; i++)
-				args.push (arguments[i]);
+				args.push(arguments[i]);
 		
-			bindFunc.apply (bindThis, args);
+			bindFunc.apply(bindThis, args);
 		}
 
 		return IE_bind;
@@ -82,33 +70,28 @@ if (!Function.bind)
 
 //	attachEvent -> addEventListener
 
-if (window.attachEvent && !window.addEventListener)
-{
-	function IE_addEventListener (signal, func, capture)
-	{
+if (window.attachEvent && !window.addEventListener) {
+	function IE_addEventListener(signal, func, capture) {
 		var obj = this;
 		
-		func.IE_eventHandler = function (event)
-		{
+		func.IE_eventHandler = function(event) {
 			event.target = event.srcElement;
 			event.layerY = event.clientY;
 			event.layerX = event.clientX;
 			event.pageX = event.offsetX;
 			event.pageY = event.offsetY;
-			event.stopPropagation = function ()
-			{
+			event.stopPropagation = function() {
 				this.cancelBubble = true;
 			}
 			
-			func.call (obj, event);
+			func.call(obj, event);
 		}
 
-		this.attachEvent ('on' + signal, func.IE_eventHandler);
+		this.attachEvent('on' + signal, func.IE_eventHandler);
 	}
 	
-	function IE_removeEventListener (signal, func, capture) 
-	{
-		this.detachEvent ('on' + signal, func.IE_eventHandler);
+	function IE_removeEventListener(signal, func, capture) {
+		this.detachEvent('on' + signal, func.IE_eventHandler);
 	}
 
 	window.addEventListener = IE_addEventListener;
@@ -118,9 +101,8 @@ if (window.attachEvent && !window.addEventListener)
 
 	var IE_createElement = document.createElement;
 
-	document.createElement = function (tagName)
-	{
-		var node = IE_createElement (tagName);
+	document.createElement = function(tagName) {
+		var node = IE_createElement(tagName);
 		node.addEventListener = IE_addEventListener;
 		node.removeEventListener = IE_removeEventListener;
 		return node;
@@ -129,11 +111,9 @@ if (window.attachEvent && !window.addEventListener)
 
 //	ActiveXObject ('Microsoft.XMLHTTP') -> XMLHttpRequest
 
-if (!window.XMLHttpRequest && window.ActiveXObject)
-{
-	function XMLHttpRequest ()
-	{
-		return new ActiveXObject ('Microsoft.XMLHTTP');
+if (!window.XMLHttpRequest && window.ActiveXObject) {
+	function XMLHttpRequest() {
+		return new ActiveXObject('Microsoft.XMLHTTP');
 	}
 }
 
diff --git a/js/vn/iterator-iface.js b/js/vn/iterator-iface.js
new file mode 100644
index 00000000..c01e0e8e
--- /dev/null
+++ b/js/vn/iterator-iface.js
@@ -0,0 +1,67 @@
+
+var LotIface = require('./lot-iface');
+var ModelIface = require('./model-iface');
+
+module.exports = new Class({
+	Implements: LotIface
+	,Properties: {
+		/**
+		 * The model associated to this form.
+		 */
+		model: {
+			type: ModelIface
+		},
+		/**
+		 * The row where the form positioned, has -1 if the row is unselected.
+		 */
+		row: { 
+			type: Number
+		},
+		/**
+		 * The number of rows in the form.
+		 */
+		numRows: {
+			type: Number
+		},
+		/**
+		 * Checks if the form data is ready.
+		 */
+		ready: {
+			type: Boolean
+		}
+	}
+	
+	,insertRow: function() {
+		if (this._model)
+			this.row = this._model.insertRow();
+	}
+
+	/**
+	 * Removes the current row.
+	 */
+	,deleteRow: function() {
+		if (this._row >= 0)
+			this._model.deleteRow(this._row);
+	}
+	
+	/**
+	 * Gets a value from the form.
+	 *
+	 * @param {string} columnName The column name
+	 * @return {Object} The value
+	 */
+	,get: function(columnName) {
+		return this._model ?
+			this._model.get(this._row, columnName) : undefined;
+	}
+
+	/**
+	 * Sets a value on the form.
+	 *
+	 * @param {string} columnName The column name
+	 * @param {Object} value The new value
+	 */
+	,set: function(columnName, value) {
+		this._model.set(this._row, columnName, value);
+	}
+});
diff --git a/js/vn/iterator.js b/js/vn/iterator.js
new file mode 100644
index 00000000..01888c7a
--- /dev/null
+++ b/js/vn/iterator.js
@@ -0,0 +1,75 @@
+
+var Lot = require('./lot');
+var IteratorIface = require('./iterator-iface');
+var ModelIface = require('./model-iface');
+
+/**
+ * A light iterator for models. It assumes that its row and model properties
+ * are always valid.
+ */
+module.exports = new Class({
+	Extends: Lot
+	,Implements: IteratorIface
+	,Properties: {
+		model: {
+			type: ModelIface
+			,set: function(x) {
+				this._model = x;
+			}
+			,get: function() {
+				return this._model;
+			}
+		},
+		row: {
+			type: Number
+			,set: function(x) {
+				this._row = x;
+				this.rowChanged();
+			}
+			,get: function() {
+				return this._row;
+			}
+		},
+		numRows: {
+			type: Number
+			,get: function() {
+				return this._model ?
+					this._model.numRows : 0;
+			}
+		},
+		ready: {
+			type: Boolean
+			,get: function() {
+				return this._model ?
+					this._model.ready : false;
+			}
+		}
+	}
+
+	,_model: null
+
+	,initialize: function(props) {
+		Object.assign(this, {
+			 _row: -1
+			,_rowLock: false
+		});
+		Lot.prototype.initialize.call(this, props);
+	}
+
+	,_paramsChanged: function(diff) {
+		if (!this._rowLock)
+		for (var key in diff)
+			this._model.set(this._row, key, diff[key]);
+	}
+
+	,rowChanged: function() {
+		var row;
+		
+		if (this._model)
+			row = this._model.getObject(this._row);
+
+		this._rowLock = true;
+		this.params = row != null ? row : {};
+		this._rowLock = false;
+	}
+});
diff --git a/js/vn/json-connection.js b/js/vn/json-connection.js
index 7e981ad7..23bc2e3f 100644
--- a/js/vn/json-connection.js
+++ b/js/vn/json-connection.js
@@ -1,12 +1,12 @@
 
-var Object = require('./object');
+var VnObject = require('./object');
 var JsonException = require('./json-exception');
 
 /**
  * Handler for JSON rest connections.
- **/
+ */
 module.exports = new Class({
-	Extends: Object
+	Extends: VnObject
 
 	,_connected: false
 	,_requestsCount: 0
@@ -14,9 +14,9 @@ module.exports = new Class({
 
 	/**
 	 * Initilizes the connection object.
-	 **/
+	 */
 	,initialize: function() {
-		this.parent();
+		VnObject.prototype.initialize.call(this);
 		this.fetchToken();
 	}
 
@@ -44,7 +44,7 @@ module.exports = new Class({
 	 * @param {String} password The user password
 	 * @param {Boolean} remember Specifies if the user should be remembered
 	 * @param {Function} openCallback The function to call when operation is done
-	 **/
+	 */
 	,open: function(user, pass, remember, callback) {
 		if (user !== null && user !== undefined) {
 			var params = {
@@ -70,7 +70,7 @@ module.exports = new Class({
 			var storage = remember ? localStorage : sessionStorage;
 			storage.setItem('vnToken', this.token);
 
-			this.signalEmit('openned');
+			this.emit('openned');
 		} else	
 			this._closeClient();
 
@@ -82,7 +82,7 @@ module.exports = new Class({
 	 * Closes the connection to the REST service.
 	 *
 	 * @param {Function} callback The function to call when operation is done
-	 **/
+	 */
 	,close: function(callback) {
 		this.lbSend('POST', 'Accounts/logout', null,
 			this._onClose.bind(this, callback));
@@ -93,7 +93,7 @@ module.exports = new Class({
 	 * Called when close operation is done.
 	 */
 	,_onClose: function(callback, json, error) {
-		this.signalEmit('closed');
+		this.emit('closed');
 
 		if (callback)
 			callback(this, null, error);
@@ -109,24 +109,24 @@ module.exports = new Class({
 	 *
 	 * @param {String} user The user name
 	 * @param {Function} callback The callback function
-	 **/
+	 */
 	,supplantUser: function(user, callback) {
 		var params = {supplantUser: user};
 		this.send('client/supplant', params,
 			this._onUserSupplant.bind(this, callback));
 	}
-	
-	,_onUserSupplant: function(callback, json) {
+
+	,_onUserSupplant: function(callback, json, err) {
 		if (json)
 			this.token = json;
 
 		if (callback)
-			callback(json != null);
+			callback(err == null, err);
 	}
 
 	/**
 	 * Ends the user supplanting and restores the last login.
-	 **/
+	 */
 	,supplantEnd: function() {
 		this.lbSend('POST', 'Accounts/logout');
 		this.fetchToken();
@@ -139,7 +139,7 @@ module.exports = new Class({
 	 * @param {String} restService The service path
 	 * @param {Map} params The params to pass to the service
 	 * @param {Function} callback The response callback
-	 **/
+	 */
 	,send: function(restService, params, callback) {
 		if (!params)
 			params = {};
@@ -221,7 +221,7 @@ module.exports = new Class({
 		this._requestsCount++;
 		
 		if (this._requestsCount === 1)
-			this.signalEmit('loading-changed', true);
+			this.emit('loading-changed', true);
 	}
 	
 	,_onStateChange: function(request, callback) {
@@ -231,7 +231,7 @@ module.exports = new Class({
 		this._requestsCount--;
 		
 		if (this._requestsCount === 0)
-			this.signalEmit('loading-changed', false);
+			this.emit('loading-changed', false);
 
 		var data = null;
 		var error = null;
@@ -302,7 +302,6 @@ module.exports = new Class({
 			data = null;
 			error = e;
 		}
-
 		if (callback)
 		try {
 			callback(data, error);
@@ -314,8 +313,8 @@ module.exports = new Class({
 		if (error) {
 			if (error.exception == 'SessionExpired')
 				this.clearToken();
-		
-			this.signalEmit('error', error);
+
+			this.emit('error', error);
 		}
 	}
 });
diff --git a/js/vn/json-exception.js b/js/vn/json-exception.js
index cd7ebc13..e60c416b 100644
--- a/js/vn/json-exception.js
+++ b/js/vn/json-exception.js
@@ -1,6 +1,6 @@
 /**
  * This class stores the database errors.
- **/
+ */
 module.exports = new Class
 ({
 	 exception: null
@@ -10,8 +10,7 @@ module.exports = new Class
 	,line: null
 	,trace: null
 	
-	,initialize: function (exception, message, code, file, line, trace)
-	{
+	,initialize: function(exception, message, code, file, line, trace) {
 		this.exception = exception;
 		this.message = message;
 		this.code = code;
diff --git a/js/vn/locale.js b/js/vn/locale.js
index 1a786050..2ee50062 100644
--- a/js/vn/locale.js
+++ b/js/vn/locale.js
@@ -3,7 +3,7 @@ vnLocaleStrings = {};
 
 /**
  * Class to manage the internationalization.
- **/
+ */
 module.exports =
 {
 	language: null
diff --git a/js/vn/locale/ca.yml b/js/vn/locale/ca.yml
index cba6b455..8af6588c 100644
--- a/js/vn/locale/ca.yml
+++ b/js/vn/locale/ca.yml
@@ -27,6 +27,7 @@ December: Decembre
 Jan: Gen
 Feb: Febr
 Mar: Març
+AbrMay: Mai
 Apr: Abr
 Jun: Juny
 Jul: Jul
diff --git a/js/vn/locale/en.yml b/js/vn/locale/en.yml
index ea9ffe58..4ca5bcfa 100644
--- a/js/vn/locale/en.yml
+++ b/js/vn/locale/en.yml
@@ -28,6 +28,7 @@ Jan: Jan
 Feb: Feb
 Mar: Mar
 Apr: Apr
+AbrMay: May
 Jun: Jun
 Jul: Jul
 Ago: Ago
diff --git a/js/vn/locale/es.yml b/js/vn/locale/es.yml
index 254dffc9..d9663c12 100644
--- a/js/vn/locale/es.yml
+++ b/js/vn/locale/es.yml
@@ -16,7 +16,7 @@ January: Enero
 February: Febrero
 March: Marzo
 April: Abril
-May: May
+May: Mayo
 June: Junio
 July: Julio
 August: Agosto
@@ -28,6 +28,7 @@ Jan: Ene
 Feb: Feb
 Mar: Mar
 Apr: Abr
+AbrMay: May
 Jun: Jun
 Jul: Jul
 Ago: Ago
diff --git a/js/vn/locale/fr.yml b/js/vn/locale/fr.yml
index bf6b5ba6..a2789597 100644
--- a/js/vn/locale/fr.yml
+++ b/js/vn/locale/fr.yml
@@ -28,6 +28,7 @@ Jan: Jan
 Feb: Fév
 Mar: Mars
 Apr: Avr
+AbrMay: Mai
 Jun: Juin
 Jul: Juil
 Ago: Août
diff --git a/js/vn/locale/mn.yml b/js/vn/locale/mn.yml
index 9719aec5..97eb4d32 100644
--- a/js/vn/locale/mn.yml
+++ b/js/vn/locale/mn.yml
@@ -28,6 +28,7 @@ Jan: оны
 Feb: хоё
 Mar: Гур
 Apr: Дөр
+AbrMay: May
 Jun: Jun
 Jul: Jul
 Ago: Най
diff --git a/js/vn/locale/pt.yml b/js/vn/locale/pt.yml
index 05ca2b73..db6c2892 100644
--- a/js/vn/locale/pt.yml
+++ b/js/vn/locale/pt.yml
@@ -28,6 +28,7 @@ Jan: Jan
 Feb: Fev
 Mar: Mar
 Apr: Abr
+AbrMay: Mai
 Jun: Jun
 Jul: Jul
 Ago: Ago
diff --git a/js/vn/lot-iface.js b/js/vn/lot-iface.js
new file mode 100644
index 00000000..7639a16e
--- /dev/null
+++ b/js/vn/lot-iface.js
@@ -0,0 +1,83 @@
+
+/**
+ * Holds a plain key-value javascript object and monitorizes changes over it.
+ */
+module.exports = new Class({
+	Properties: {
+		/**
+		 * The internal object with the params, this is the lot internal object
+		 * and should be used for read-only purposes.
+		 */
+		params: { 
+			type: Object
+		}
+		/**
+		 * Shortcut for params property.
+		 */
+		,$: { 
+			type: Object
+		 }
+	 }
+ 
+	 /**
+	  * Gets a value from the lot.
+	  *
+	  * @param {string} field The field name
+	  * @return {*} The field value
+	  */
+	 ,get: function(field) {
+		 return this.params[field];
+	 }
+ 
+	 /**
+	  * Sets a value on the lot.
+	  *
+	  * @param {string} field The field name
+	  * @param {*} value The new field value
+	  */
+	 ,set: function(field, value) {
+		 var params = {};
+		 params[field] = value;
+		 this.assign(params);
+	 }
+ 
+	 /**
+	  * Returns an array with the lot keys.
+	  * 
+	  * @return {Array} The lot keys
+	  */
+	 ,keys: function() {}
+ 
+	 /**
+	  * Emits the 'change' signal on the lot.
+	  * 
+	  * @param {Object} changes The changed params and its values
+	  */
+	 ,changed: function(changes) {
+		 this.emit('change', changes);
+	 }
+ 
+	 /**
+	  * Copies all values from another lot.
+	  *
+	  * @param {Object} object The source object
+	  */
+	 ,assign: function() {}
+ 
+	 /**
+	  * Copies all values from another lot.
+	  *
+	  * @param {LotIface} lot The source lot
+	  */
+	 ,assignLot: function(lot) {
+		 this.assign(lot.$);
+	 }
+ 
+	 /**
+	  * Resets all values.
+	  */
+	 ,reset: function() {
+		 this.params = {};
+	 }
+ });
+ 
\ No newline at end of file
diff --git a/js/vn/lot-query.js b/js/vn/lot-query.js
new file mode 100644
index 00000000..63981d7d
--- /dev/null
+++ b/js/vn/lot-query.js
@@ -0,0 +1,122 @@
+
+var Lot = require('./lot');
+var LotIface = require('./lot-iface');
+var Spec = require('./spec');
+var Value = require('./value');
+
+module.exports = new Class({
+	Extends: Lot
+	,Tag: 'vn-lot-query'
+	,Properties: {
+		fields: { 
+			type: Array
+			,set: function(x) {
+				this._fields = x;
+				this._onSourceChange();
+			}
+			,get: function() {
+				return this._fields;
+			}
+		},
+		source: { 
+			type: LotIface
+			,set: function(x) {
+				this.link({_source: x}, {change: this._onSourceChange});
+				this._onSourceChange();
+			}
+			,get: function() {
+				return this._source;
+			}
+		}
+	}
+
+	,initialize: function(props) {
+		Object.assign(this, {
+			_fields: null,
+			_source: null,
+			_lockSource: false,
+			_specs: {}
+		});
+		Lot.prototype.initialize.call(this, props);
+	}
+
+	,appendChild: function(child) {
+		if (!(child instanceof Spec))
+			throw new Error('VnLotQuery: Child must be a Vn.Spec instance');
+
+		this._specs[child.name] = child;
+		this._onSourceChange();
+	}
+
+	,_onSourceChange: function() {
+		if (this._lockSource)
+			return;
+
+		var params = this._source ? this._source.params : {};
+		var myParams = {};
+
+		for (var key in this._specs)
+			myParams[key] = Value.simpleClone(params[key]);
+
+		this.assign(myParams);
+	}
+
+	,assign: function(params) {
+		params = this.transformParams(params);
+		var diff = Value.partialDiff(this._params, params);
+		this._assign(diff);
+	}
+
+	,setAll: function(params) {
+		params = this.transformParams(params);
+		var diff = Value.diff(this._params, params);
+		this._assign(diff);
+	}
+
+	,_assign: function(diff) {
+		if (diff) {
+			Object.assign(this._params, diff);
+
+			if (this.source) {
+				this._lockSource = true;
+				this.source.assign(diff);
+				this._lockSource = false;
+			}
+
+			this._paramsChanged(diff);
+			this.changed(diff);
+		}
+	}
+
+	,transformParams: function(params) {
+		var newParams = {};
+
+		for (var key in this._specs) {
+			var spec = this._specs[key];
+			if (params[key])
+				newParams[key] = cast(params[key], spec.type);
+		}
+
+		return Object.assign(params, newParams);
+	}
+});
+
+function cast(value, type) {
+	switch (type) {
+		case Boolean:
+			return (/^(true|1)$/i).test(value);
+		case Number:
+			return 0 + new Number(value);
+		case Date:
+			var date = new Date(value);
+			date.setHours(0, 0, 0, 0);
+			return date;
+		case String:
+			return value;
+		default:
+		if (type instanceof Object)
+			return JSON.parse(value);
+		else
+			return value;
+	}
+}
diff --git a/js/vn/lot.js b/js/vn/lot.js
new file mode 100644
index 00000000..490b22fd
--- /dev/null
+++ b/js/vn/lot.js
@@ -0,0 +1,69 @@
+
+var VnObject = require('./object');
+var LotIface = require('./lot-iface');
+var Value = require('./value');
+
+module.exports = new Class({
+	Extends: VnObject
+	,Implements: LotIface
+	,Tag: 'vn-lot'
+	,Properties: {
+		$: {
+			type: Object
+			,set: function(x) {
+				this.setAll(x);
+			}
+			,get: function() {
+				return this._params;
+			}
+		}
+		,params: {
+			type: Object
+			,set: function(x) {
+				this.$ = x;
+			}
+			,get: function() {
+				return this.$;
+			}
+		}
+	}
+
+	,initialize: function(props) {
+		this._params = new Proxy({}, {
+			set(obj, prop, value) {
+				return Reflect.set(obj, prop, value);
+			}
+		});
+		VnObject.prototype.initialize.call(this, props);
+	}
+	
+	,keys: function() {
+		return Object.keys(this._params);
+	}
+
+	,assign: function(params) {
+		var diff = Value.partialDiff(this._params, params);
+		this._assign(diff);
+	}
+
+	,setAll: function(params) {
+		var diff = Value.diff(this._params, params);
+		this._assign(diff);
+	}
+
+	,_assign: function(diff) {
+		if (diff) {
+			Object.assign(this._params, diff);
+			this._paramsChanged(diff);
+			this.changed(diff);
+		}
+	}
+
+	/**
+	 * Called when lot params changes, can be implemented by child classes to be
+	 * notified about changes.
+	 * 
+	 * @param {Object} diff Changed parameters and its new values
+	 */
+	,_paramsChanged: function() {}
+});
diff --git a/js/vn/model-iface.js b/js/vn/model-iface.js
new file mode 100644
index 00000000..7b4abdb9
--- /dev/null
+++ b/js/vn/model-iface.js
@@ -0,0 +1,127 @@
+
+/**
+ * Readable data model.
+ */
+ module.exports = new Class({
+	 Properties: {
+		 /**
+		  * The number of rows in the model.
+		  */
+		 numRows: {
+			 type: Number
+		 },
+		 /**
+		  * The current status of the model.
+		  */
+		 status: {
+			 type: Number
+		 },
+		 /**
+		  * Checks if the model data is ready.
+		  */
+		 ready: {
+			 type: Boolean
+		 }
+	 }
+ 
+	 /**
+	  * Checks if the column exists.
+	  *
+	  * @param {integer} column The column index
+	  * @return {boolean} %true if column exists, %false otherwise
+	  */
+	 ,checkColExists: function() {}
+ 
+	 /**
+	  * Checks if the row exists.
+	  *
+	  * @param {integer} rowIndex The row index
+	  * @return {boolean} %true if row exists, %false otherwise
+	  */
+	 ,checkRowExists: function() {}
+	 
+	 /**
+	  * Get the index of the column from its name.
+	  *
+	  * @param {string} columnName The column name
+	  * @return {number} The column index or -1 if column not exists
+	  */
+	 ,getColumnIndex: function() {}
+	 
+	 /**
+	  * Gets a value from the model.
+	  *
+	  * @param {number} rowIndex The row index
+	  * @param {string} columnName The column name
+	  * @return {*} The value, or %undefined
+	  */
+	 ,get: function() {}
+ 
+	 /**
+	  * Gets a value using the column index.
+	  *
+	  * @param {number} rowIndex The row index
+	  * @param {number} column The column index
+	  * @return {*} The value
+	  */
+	 ,getByIndex: function() {}
+ 
+	 /**
+	  * Gets a row as an object  using the column index.
+	  *
+	  * @param {number} rowIndex The row index
+	  * @return {Object} The row as an object
+	  */
+	 ,getObject: function() {}
+ 
+	 /**
+	  * Orders the model by the specified column name.
+	  *
+	  * @param {number} column The column name
+	  * @param {SortWay} way The sort way
+	  */
+	 ,sortByName: function() {}
+ 
+	 /**
+	  * Orders the model by the specified column.
+	  *
+	  * @param {number} column The column index
+	  * @param {SortWay} way The sort way
+	  */
+	 ,sort: function() {}
+ 
+	 /**
+	  * Searchs a value on the model and returns the row index of the first
+	  * ocurrence.
+	  * If an index have been built on that column, it will be used, for more
+	  * information see the indexColumn() method.
+	  *
+	  * @param {string} column The column name
+	  * @param {Object} value The value to search
+	  * @return {number} The column index
+	  */
+	 ,search: function() {}
+ 
+	 /**
+	  * Searchs a value on the model and returns the row index of the first
+	  * ocurrence.
+	  *
+	  * @param {number} col The column index
+	  * @param {Object} value The value to search
+	  * @return {number} The column index
+	  */
+	 ,searchByIndex: function() {}
+ 
+	 /**
+	  * Builds an internal hash index for the specified column, this speeds
+	  * significantly searches on that column, specially when model has a lot of
+	  * rows.
+	  *
+	  * FIXME: Not fully implemented.
+	  *
+	  * @param {string} column The column name
+	  */
+	 ,indexColumn: function() {}
+ });
+ 
+ 
\ No newline at end of file
diff --git a/js/vn/model-proxy.js b/js/vn/model-proxy.js
new file mode 100644
index 00000000..04fabcd0
--- /dev/null
+++ b/js/vn/model-proxy.js
@@ -0,0 +1,80 @@
+
+var ModelIface = require('./object');
+
+/**
+ * Monitorizes all changes made to a model.
+ */
+var Klass = new Class();
+module.exports = Klass;
+
+var Mode = {
+	 ON_CHANGE : 1
+	,ON_DEMAND : 2
+};
+
+var Operation = {
+	 INSERT : 1 << 1
+	,UPDATE : 1 << 2
+	,DELETE : 1 << 3
+};
+
+Klass.extend({
+	 Mode: Mode
+	,Operation: Operation
+});
+
+Klass.implement({
+	Implements: ModelIface
+	,Properties: {
+		/**
+		 * Update mode.
+		 */
+		mode: {
+			enumType: Mode
+			,value: Mode.ON_CHANGE
+		}
+	}
+
+	/**
+	 * Updates a value on the model.
+	 *
+	 * @param {number} rowIndex The row index
+	 * @param {string} columnName The column name
+	 * @param {*} value The new value
+	 */
+	,set: function() {}
+
+	/**
+	 * Updates a value on the model using the column index.
+	 *
+	 * @param {number} rowIndex The row index
+	 * @param {number} col The column index
+	 * @param {*} value The new value
+	 */
+	,setByIndex: function() {}
+
+	/**
+	 * Deletes a row from the model. 
+	 *
+	 * @param {number} rowIndex The row index
+	 */
+	,deleteRow: function() {}
+
+	/**
+	 * Inserts a new row on the model.
+	 *
+	 * @return The index of the inserted row
+	 */
+	,insertRow: function() {}
+
+	/**
+	 * Cleans the model data.
+	 */
+	,clean: function() {}
+	
+	/**
+	 * Performs all model changes on the database.
+	 */
+	,performOperations: function() {}
+});
+
diff --git a/js/vn/model.js b/js/vn/model.js
new file mode 100644
index 00000000..d33ead43
--- /dev/null
+++ b/js/vn/model.js
@@ -0,0 +1,350 @@
+
+var VnObject = require('./object');
+var simpleEquals = require('./value').simpleEquals;
+
+var Klass = new Class();
+module.exports = Klass;
+
+var Status = {
+	 CLEAN    : 1
+	,LOADING  : 2
+	,READY    : 3
+	,ERROR    : 4
+};
+
+var SortWay = {
+	 ASC   : 1
+	,DESC  : 2 
+};
+
+Klass.extend({
+	 Status
+	,SortWay
+});
+
+Klass.implement({
+	Extends: VnObject
+	,Tag: 'vn-model'
+	,Properties: {
+		/**
+		 * The model internal data.
+		 */
+		data: {
+			type: Array
+			,get: function() {
+				return this._data;
+			}
+			,set: function(x) {
+				this._setData(x);
+			}
+		},
+		/**
+		 * The number of rows in the model.
+		 */
+		numRows: {
+			type: Number
+			,get: function() {
+				if (this._data)
+					return this._data.length;
+
+				return 0;
+			}
+		},
+		/**
+		 * The current status of the model.
+		 */
+		status: {
+			type: Number
+			,get: function() {
+				return this._status;
+			}
+		},
+		/**
+		 * Checks if the model data is ready.
+		 */
+		ready: {
+			type: Boolean
+			,get: function() {
+				return this._status === Status.READY;
+			}
+		}
+	}
+
+	,_data: null
+	,_status: Status.CLEAN
+
+	,_requestedSortName: null
+	,_sortColumn: null
+	,_sortWay: null
+
+	,_requestedIndexes: {}
+	,_indexes: []
+
+	//+++++++++++++++++++++++++++++ Data hadling
+	
+	,_setData: function(data) {
+		this._data = data;
+		this._refreshRowIndexes(0);
+
+		if (this._requestedSortName != null)
+			this._realSort(this._requestedSortName, this._sortWay);
+		for (column in this._requestedIndexes)
+			this._buildIndex(column);
+
+		this._setStatus(Status.READY);
+	}
+
+	/**
+	 * Checks if the row exists.
+	 *
+	 * @param {Integer} rowIndex The row index
+	 * @return {Boolean} %true if row exists, %false otherwise
+	 */
+	,checkRowExists: function(rowIndex) {
+		return this._data != null
+			&& rowIndex >= 0
+			&& rowIndex < this._data.length;
+	}
+
+	/**
+	 * Gets a value from the model.
+	 *
+	 * @param {Number} rowIndex The row index
+	 * @param {Number} columnName The column name
+	 * @return {*} The value
+	 */
+	,get: function(rowIndex, columnName) {
+		if (!this.checkRowExists(rowIndex))
+			return undefined;
+		
+		return this._data[rowIndex][columnName];
+	}
+
+	/**
+	 * Updates a value on the model.
+	 *
+	 * @param {Number} rowIndex The row index
+	 * @param {Number} columnName The column name
+	 * @param {*} value The new value
+	 */
+	,set: function(rowIndex, columnName, value) {
+		if (!this.checkRowExists(rowIndex))
+			return;
+
+		this.emit('row-updated-before', rowIndex);
+		this._data[rowIndex][columnName] = value;
+		this.emit('row-updated', rowIndex, [columnName]);
+	}
+
+	/**
+	 * Gets a row as an object using the column index.
+	 *
+	 * @param {Number} rowIndex The row index
+	 * @return {Object} The row as an object
+	 */
+	,getObject: function(rowIndex) {
+		return this.checkRowExists(rowIndex) ?
+			this._data[rowIndex] : null;
+	}
+	
+	,_setStatus: function(status) {
+		this._status = status;
+		this.emit('status-changed', status);
+		this.emit('status-changed-after', status);
+	}
+	
+	/**
+	* Inserts a new row on the model.
+	*
+	* @return The index of the inserted row
+	*/
+   ,insertRow: function(newRow) {
+		var rowIndex = this._data.push(newRow) - 1;
+		newRow.index = rowIndex;
+		this.emit('row-inserted', rowIndex);
+		return rowIndex;
+   }
+
+	/**
+	 * Deletes a row from the model. 
+	 *
+	 * @param {Number} rowIndex The row index
+	 */
+	,deleteRow: function(rowIndex) {
+		if (!this.checkRowExists(rowIndex))
+			return;
+
+		this.emit('row-deleted-before', rowIndex);
+		this._data.splice(rowIndex, 1);
+		this.emit('row-deleted', rowIndex);
+		this._refreshRowIndexes(rowIndex);
+	}
+
+	//+++++++++++++++++++++++++++++ Sorting
+
+	/**
+	 * Orders the model by the specified column name.
+	 *
+	 * @param {String} columnName The column name
+	 * @param {SortWay} way The sort way
+	 */
+	,sort: function(columnName, way) {
+		this._requestedSortName = columnName;
+		this._sort(columnName, way);
+	}
+	 
+	,_sort: function(columnName, way) {
+		var status = this._status;
+		this._setStatus(Status.LOADING);
+		this._realSort(columnName, way);
+		this._setStatus(status);
+	}
+	
+	,_realSort: function(columnName, way) {
+		if (!this._data)
+			return;
+
+		if (columnName !== this._sortColumn) {
+			if (way === SortWay.DESC)
+				var sortFunction = this.sortFunctionDesc;
+			else
+				var sortFunction = this.sortFunctionAsc;
+	
+			this._data.sort(sortFunction.bind(this, columnName));
+		} else if (way !== this._sortWay)
+			this._data.reverse();
+
+		this._sortColumn = columnName;
+		this._sortWay = way;
+
+		this._refreshRowIndexes(0);
+	}
+
+	,_refreshRowIndexes: function(start) {
+		var data = this._data;
+
+		for (var i = start; i < data.length; i++)
+			data[i].index = i;
+	}
+	
+	/*
+	 * Function used to sort the model ascending.
+	 */
+	,sortFunctionAsc: function(column, a, b) {
+		if (a[column] < b[column])
+			return -1;
+		else if (a[column] > b[column])
+			return 1;
+			
+		return 0;
+	}
+	
+	/*
+	 * Function used to sort the model descending.
+	 */
+	,sortFunctionDesc: function(column, a, b) {
+		if (a[column] > b[column])
+			return -1;
+		else if (a[column] < b[column])
+			return 1;
+			
+		return 0;
+	}
+	
+	//+++++++++++++++++++++++++++++ Searching
+
+	/**
+	 * Builds an internal hash index for the specified column, this speeds
+	 * significantly searches on that column, specially when model has a lot of
+	 * rows.
+	 *
+	 * FIXME: Not fully implemented.
+	 *
+	 * @param {String} column The column name
+	 */
+	,indexColumn: function(column) {
+		this._requestedIndexes[column] = true;
+
+		if (this._status === Status.READY)
+			this._buildIndex(column);
+	}
+
+	,getHashValue: function(value) {
+		if (value instanceof Date)
+			return value.getTime();
+		else
+			return value;
+	}
+
+	,_buildIndex: function(columnName) {
+		if (this.columnMap[columnName] === undefined)
+			return;
+
+		var data = this._data;
+		var values = {};
+		var nulls = [];
+
+		for (var i = 0; i < data.length; i++) {
+			var value = data[i][columnName];
+
+			if (value == null) {
+				nulls.push(data[i]);
+				continue;
+			}
+
+			index[this.getHashValue(value)] = data[i];
+		}
+
+		this._indexes[columnName] = {
+			values: values,
+			index: index
+		};
+	}
+
+	/**
+	 * Searchs a value on the model and returns the row index of the first
+	 * ocurrence.
+	 *
+	 * @param {Number} columnName The column name
+	 * @param {Object} value The value to search
+	 * @return {Number} The column index
+	 */
+	,search: function(columnName, value) {
+		var data = this._data;
+
+		if (data == null)
+			return -1;
+
+		// Searchs the value using an internal index.
+
+		var index = this._indexes[columnName];
+		
+		if (index) {
+			if (value == null) {
+				if (index.nulls[0] !== undefined)
+					return index.nulls[0].index;
+			} else {
+				var row = index.values[this.getHashValue(value)];
+
+				if (rowIndex !== undefined)
+					return row.index;
+			}
+
+			return -1;
+		}
+
+		// Searchs the value using a loop.
+
+		for (var i = 0; i < data.length; i++)
+		if (simpleEquals(data[i][columnName], value))
+			return i;
+
+		return -1;
+	}
+	
+	//+++++++++++++++++++++++++++++ Virtual
+
+	,refresh: function() {
+		this._setStatus(Status.READY);
+	}
+});
diff --git a/js/vn/mutators.js b/js/vn/mutators.js
index 6ee6576e..a30a14ef 100644
--- a/js/vn/mutators.js
+++ b/js/vn/mutators.js
@@ -1,29 +1,33 @@
 
 vnCustomTags = {};
 
-var Mutators = Class.Mutators;
+const Mutators = Class.Mutators;
+const _Extends = Mutators.Extends;
 
-var _Extends = Mutators.Extends;
-
-Mutators.Extends = function ()
-{
-	_Extends.apply (this, arguments);
-	this.implement ({Properties: {}});
+Mutators.Extends = function() {
+	_Extends.apply(this, arguments);
+	this.implement({Properties: {}});
 }
 
-Mutators.Tag = function (tagName)
-{
+Mutators.Tag = function(tagName) {
 	vnCustomTags[tagName] = this;
-	this.extend ({Tag: tagName});
+	this.extend({Tag: tagName});
+
+	const parent = this.parent;
+	if (parent && parent.Classes !== undefined) {
+		let Classes = tagName
+		
+		if (parent.Classes !== '')
+			Classes += ' '+ parent.Classes;
+		this.extend({Classes});
+	}
 };
 
-Mutators.Properties = function (props)
-{
-	var parentProps;
+Mutators.Properties = function(props) {
+	let parentProps;
 	
-	for (var propName in props)
-	{
-		var prop = props[propName];
+	for (const propName in props) {
+		const prop = props[propName];
 		prop.configurable = true;
 	
 		if (!prop.get && !prop.set && prop.writable === undefined)
@@ -31,21 +35,10 @@ Mutators.Properties = function (props)
 	}
 
 	if (this.parent && (parentProps = this.parent.Properties))
-	for (var propName in parentProps)
+	for (const propName in parentProps)
 	if (!props[propName])
 		props[propName] = parentProps[propName];
 		
-	this.extend ({Properties: props});
-	Object.defineProperties (this.prototype, props);
+	this.extend({Properties: props});
+	Object.defineProperties(this.prototype, props);
 };
-
-Mutators.Parent = function (propName)
-{
-	this.extend ({Parent: propName});
-};
-
-Mutators.Child = function (propName)
-{
-	this.extend ({Child: propName});
-};
-
diff --git a/js/vn/node-builder.js b/js/vn/node-builder.js
new file mode 100644
index 00000000..30b8c004
--- /dev/null
+++ b/js/vn/node-builder.js
@@ -0,0 +1,23 @@
+const VnObject = require('./object');
+
+module.exports = new Class({
+	Extends: VnObject
+
+	,doc: null
+	
+	,initialize: function(props) {
+		this.doc = document;
+		this.parent(props);
+	}
+	
+	,createElement: function(tagName) {
+		return this.doc.createElement(tagName);
+	}
+	
+	,createTextNode: function(text) {
+		return this.doc.createTextNode(text);
+	}
+	
+	,render: function() {}
+});
+
diff --git a/js/vn/object.js b/js/vn/object.js
index a8818c80..2b2c3668 100644
--- a/js/vn/object.js
+++ b/js/vn/object.js
@@ -1,78 +1,110 @@
 
 /**
- * The main base class. Manages the signal system.
- *
- * @param signals Map with all connected signal handlers
- **/
-module.exports = new Class
-({
-	Tag: 'vn-object'
-	,Properties: {}
+ * The main base class. Manages the signal system. Objects based on this class
+ * can be instantiated declaratively using XML.
+ */
+module.exports = class VnObject {
+	/**
+	 * Tag to be used when the class instance is defined via XML. All classes 
+	 * must define this attribute, even if it is not used.
+	 */
+	static Tag = 'vn-object';
 
-	,_refCount: 1
-	,_signalData: null
+	/**
+	 * Class public properties.
+	 */
+	static Properties = {};
 
-	,initialize: function (props)
-	{
-		this.setProperties (props);
+	/*
+	 * Reference count.
+	 */
+	_refCount = 1;
+
+	/*
+	 * Signal handlers data.
+	 */
+	_thisArg = null;
+
+	/**
+	 * Initializes the object and sets all properties passed to the class
+	 * constructor.
+	 * 
+	 * @param {Object} props The properties passed to the contructor
+	 */
+	constructor(props) {
+		this.setProperties(props);
+	}
+
+	initialize(props) {
+		this.setProperties(props);
 	}
 	
-	,setProperties: function (props)
-	{
+	/**
+	 * Sets a group of object properties.
+	 * 
+	 * @param {Object} props Properties
+	 */
+	setProperties(props) {
 		for (var prop in props)
 			this[prop] = props[prop];
 	}
 	
-	,ref: function ()
-	{
+	/**
+	 * Increases the object reference count.
+	 */
+	ref() {
 		this._refCount++;
 		return this;
 	}
 	
-	,unref: function ()
-	{
+	/**
+	 * Decreases the object reference count.
+	 */
+	unref() {
 		this._refCount--;
 		
 		if (this._refCount === 0)
-			this._destroy ();
-	}
-	
-	,loadXml: function (builder, node) {}
-	,appendChild: function (child) {}
-	
-	,_signalInit: function ()
-	{
-		if (!this._signalData)
-			this._signalData = {
-				signals: {},
-				links: {}
-			};
+			this._destroy();
 	}
 
+	/**
+	 * Called from @Vn.Builder when it finds a custom tag as a child of the
+	 * element.
+	 * 
+	 * @param {Vn.Scope} scope The scope instance
+	 * @param {Node} node The custom tag child nodes
+	 */
+	loadXml() {}
+
+	/**
+	 * Called from @Vn.Builder when it finds a a child tag that isn't
+	 * associated to any property.
+	 * 
+	 * @param {Object} child The child object instance
+	 */
+	appendChild() {}
+
 	/**
 	 * Conects a signal with a function.
 	 *
-	 * @param {String} id The signal identifier
-	 * @param {Function} callback The callback
+	 * @param {string} id The signal identifier
+	 * @param {function} callback The callback
 	 * @param {Object} instance The instance
-	 **/
-	,on: function (id, callback, instance)
-	{
-		if (!(callback instanceof Function))
-		{
-			console.warn ('Vn.Object: Invalid callback for signal \'%s\'', id);
+	 */
+	on(id, callback, instance) {
+		if (!(callback instanceof Function)) {
+			console.warn('Vn.Object: Invalid callback for signal \'%s\'', id);
 			return;
 		}
 		
-		this._signalInit ();
-		var callbacks = this._signalData.signals[id];
+		this._signalInit();
+		var callbacks = this._thisArg.signals[id];
 
 		if (!callbacks)
-			callbacks = this._signalData.signals[id] = [];
+			callbacks = this._thisArg.signals[id] = [];
 			
-		callbacks.push
-		({
-			 blocked: false
+		callbacks.push({
+			blocked: false
 			,callback: callback
 			,instance: instance
 		});
@@ -81,16 +113,15 @@ module.exports = new Class
 	/**
 	 * Locks/Unlocks a signal emission to the specified object.
 	 *
-	 * @param {String} id The signal identifier
-	 * @param {Function} callback The callback
-	 * @param {Boolean} block %true for lock the signal, %false for unlock
-	 **/
-	,blockSignal: function (id, callback, block, instance)
-	{
-		if (!this._signalData)
+	 * @param {string} id The signal identifier
+	 * @param {function} callback The callback
+	 * @param {boolean} block %true for lock the signal, %false for unlock
+	 */
+	blockSignal(id, callback, block, instance) {
+		if (!this._thisArg)
 			return;
 
-		var callbacks = this._signalData.signals[id];
+		var callbacks = this._thisArg.signals[id];
 		
 		if (!callbacks)
 			return;
@@ -102,121 +133,127 @@ module.exports = new Class
 	}
 	
 	/**
-	 * Emits a signal in the current object.
+	 * Emits a signal in the object.
 	 *
-	 * @param {String} id The signal identifier
-	 **/
-	,signalEmit: function (id)
-	{
-		if (!this._signalData)
+	 * @param {string} id The signal identifier
+	 */
+	emit(id) {
+		if (!this._thisArg)
 			return;
 
-		var callbacks = this._signalData.signals[id];
+		var callbacks = this._thisArg.signals[id];
 		
 		if (!callbacks)
 			return;
 
 		var callbackArgs = [];
-		callbackArgs.push (this);
+		callbackArgs.push(this);
 	
 		for (var i = 1; i < arguments.length; i++)
-			callbackArgs.push (arguments[i]);
+			callbackArgs.push(arguments[i]);
 
 		for (var i = 0; i < callbacks.length; i++)
 		if (!callbacks[i].blocked)
-			callbacks[i].callback.apply (callbacks[i].instance, callbackArgs);
+			callbacks[i].callback.apply(callbacks[i].instance, callbackArgs);
 	}
 	
 	/**
 	 * Disconnects a signal from current object.
 	 *
-	 * @param {String} id The signal identifier
-	 * @param {Function} callback The connected callback
+	 * @param {string} id The signal identifier
+	 * @param {function} callback The connected callback
 	 * @param {Object} instance The instance
-	 **/
-	,disconnect: function (id, callback, instance)
-	{
-		if (!this._signalData)
+	 */
+	disconnect(id, callback, instance) {
+		if (!this._thisArg)
 			return;
 
-		var callbacks = this._signalData.signals[id];
+		var callbacks = this._thisArg.signals[id];
 		
-		if (!callbacks)
-			return;
-
-		for (var i = 0; i < callbacks.length; i++)
-		if (callbacks[i].callback == callback
-		&& callbacks[i].instance == instance)
-			callbacks.splice (i--, 1);
+		if (callbacks)
+		for (var i = callbacks.length; i--;)
+		if (callbacks[i].callback === callback
+		&& callbacks[i].instance === instance)
+			callbacks.splice(i, 1);
 	}
 	
 	/**
 	 * Disconnects all signals for the given instance.
 	 *
 	 * @param {Object} instance The instance
-	 **/
-	,disconnectByInstance: function (instance)
-	{
-		if (!this._signalData)
+	 */
+	disconnectByInstance(instance) {
+		if (!this._thisArg)
 			return;
 	
-		var signals = this._signalData.signals;
+		var signals = this._thisArg.signals;
 
-		for (var signalId in signals)
-		{
+		for (var signalId in signals) {
 			var callbacks = signals[signalId];
 
-			for (var i = 0; i < callbacks.length; i++)
-			if (callbacks[i].instance == instance)
-				callbacks.splice (i--, 1);
+			if (callbacks)
+			for (var i = callbacks.length; i--;)
+			if (callbacks[i].instance === instance)
+				callbacks.splice(i, 1);
 		}
 	}
 
 	/**
 	 * Destroys the object, this method should only be called before losing
-	 * the last reference to the object.
-	 **/
-	,_destroy: function ()
-	{
-		if (!this._signalData)
+	 * the last reference to the object. It can be overwritten by child classes
+	 * but should always call the parent method.
+	 */
+	_destroy() {
+		if (!this._thisArg)
 			return;
 	
-		var links = this._signalData.links;
+		var links = this._thisArg.links;
 	
 		for (var key in links)
-			links[key].disconnectByInstance (this);
+			this._unlink(links[key]);
 		
-		this._signalData = null;
+		this._thisArg = null;
 	}
 	
-	,link: function (prop, handlers)
-	{
-		this._signalInit ();
-		var links = this._signalData.links;
+	/**
+	 * Links the object with another object.
+	 * 
+	 * @param {Object} prop The linked property
+	 * @param {Object} handlers The object events to listen with
+	 */
+	link(prop, handlers) {
+		this._signalInit();
+		var links = this._thisArg.links;
 	
-		for (var key in prop)
-		{
+		for (var key in prop) {
 			var newObject = prop[key];
 			var oldObject = this[key];
 		
 			if (oldObject)
-			{
-				oldObject.disconnectByInstance (this);
-				oldObject.unref ();
-			}
+				this._unlink(oldObject);
 
 			this[key] = newObject;
 
-			if (newObject)
-			{
-				links[key] = newObject.ref ();
+			if (newObject) {
+				links[key] = newObject.ref();
 
 				for (var signal in handlers)
-					newObject.on (signal, handlers[signal], this);
-			}
-			else if (oldObject)
-				delete links[key];
+					newObject.on(signal, handlers[signal], this);
+			} else if (oldObject)
+				links[key] = undefined;
 		}
 	}
-});
 
+	_unlink(object) {
+		object.disconnectByInstance(this);
+		object.unref();
+	}
+	
+	_signalInit() {
+		if (!this._thisArg)
+			this._thisArg = {
+				signals: {},
+				links: {}
+			};
+	}
+}
diff --git a/js/vn/param-iface.js b/js/vn/param-iface.js
new file mode 100644
index 00000000..4800c4d6
--- /dev/null
+++ b/js/vn/param-iface.js
@@ -0,0 +1,139 @@
+
+var LotIface = require('./lot-iface');
+var Type = require('./type');
+var Value = require('./value');
+
+/**
+ * A value holder, it emits the changed signal when value is changed.
+ * Also it can be linked with a lot value or another parameter.
+ */
+module.exports = new Class({
+	Properties: {
+		/**
+		 * The parameter value.
+		 */
+		value: {
+			type: null
+		},
+		/**
+		 * The parameter type.
+		 */
+		type: {
+			type: Type
+		},
+		/**
+		 * Another parameter to bind with.
+		 */
+		param: {
+			type: Object
+		},
+		/**
+		 * A lot to bind with.
+		 */
+		lot: {
+			type: LotIface
+		},
+		/**
+		 * The field name in the lot.
+		 */
+		name: {
+			type: String
+		},
+		/**
+		 * Determines whether the link to the lot is unidirectional, ie, a
+		 * change in the lot updates the parameter but not viceversa.
+		 */
+		oneWay: {
+			type: Boolean
+		}
+	}
+	
+	,_value: undefined
+	,_type: null
+	,_param: null
+	,_lot: null
+	,_sourceLock: false
+	,_name: null
+	,_oneWay: false
+	
+	,_setValue: function(newValue) {
+		if (this._putValue(newValue))
+			this._notifyChanges();
+	}
+
+	,_putValue: function(newValue) {
+		if (Value.simpleEquals(newValue, this._value))
+			return false;
+
+		this._value = Value.simpleClone(newValue);
+		return true;
+	}
+
+	,_notifyChanges: function() {
+		this._refreshLot();
+		this._refreshParam();
+		this.emit('changed', this._value);
+	}
+
+	,_setType: function(type) {
+		this._type = type;
+		this._onLotChange();
+	}
+
+	,_onSourceChange(newValue) {
+		if (this._oneTime && this._value !== undefined)
+			return;
+
+		this._sourceLock = true;
+		this._setValue(newValue);
+		this._sourceLock = false;
+	}
+	
+	,_setParam: function(param) {
+		this.link({_lot: null});
+		this.link({_param: param}, {changed: this._onParamChange});
+		this._refreshParam();
+	}
+
+	,_onParamChange: function() {
+		if (this._sourceLock || !this._param) return;
+		this._onSourceChange(this._param.value);
+	}
+
+	,_refreshParam: function() {
+		if (this._sourceLock || !this._param || this._oneWay)
+			return;
+
+		this._sourceLock = true;
+		this._param.value = this._value;
+		this._sourceLock = false;
+	}
+
+	,_setLot: function(lot) {
+		this.link({_param: null});
+		this.link({_lot: lot}, {change: this._onLotChange});
+		this._onLotChange();
+	}
+
+	,_onLotChange: function() {
+		if (this._sourceLock || !this._lot || !this._name)
+			return;
+
+		var newValue = this._lot.get(this._name, this._type);
+		this._onSourceChange(newValue);
+	}
+
+	,_refreshLot: function() {
+		if (this._sourceLock || !this._name || !this._lot || this._oneWay)
+			return;
+
+		this._sourceLock = true;
+		this._lot.set(this._name, this._value);
+		this._sourceLock = false;
+	}
+
+	,_setName: function(name) {
+		this._name = name;
+		this._onLotChange();
+	}
+});
diff --git a/js/vn/param.js b/js/vn/param.js
index 6b26855c..61da0210 100644
--- a/js/vn/param.js
+++ b/js/vn/param.js
@@ -1,71 +1,88 @@
 
-var Object = require ('./object');
-var Param = require ('./param');
-var Value = require ('./value');
+var VnObject = require('./object');
+var Type = require('./type');
+var ParamIface = require('./param-iface');
+var LotIface = require('./lot-iface');
 
 /**
- * Simply a linkable value holder.
- **/
-module.exports = new Class
-({
-	Extends: Object
+ * A simple implementation of @ParamIface.
+ */
+module.exports = new Class({
+	Extends: VnObject
+	,Implements: ParamIface
 	,Tag: 'vn-param'
-	,Properties:
-	{
-		value:
-		{
-			type: String
-			,set: function (x)
-			{
-				if (Value.compare (x, this._value))
-					return;
-
-				if (x instanceof Date)
-					x = x.clone ();
-
-				this._value = x;
-
-				if (this._master && !this.masterLock)
-				{
-					this.masterLock = true;
-					this._master.value = x;
-					this.masterLock = false;
-				}
-
-				this.signalEmit ('changed', this._value);
+	,Properties: {
+		value: {
+			type: null
+			,set: function(x) {
+				this._setValue(x);
 			}
-			,get: function ()
-			{
+			,get: function() {
 				return this._value;
 			}
 		},
-		master:
-		{
-			type: Param
-			,set: function (x)
-			{
-				this.link ({_master: x}, {'changed': this._onMasterChange});
-				this._onMasterChange ();
+		type: {
+			type: Type
+			,set: function(x) {
+				this._setType(x);
 			}
-			,get: function ()
-			{
-				return this._master;
+			,get: function() {
+				return this._type;
+			}
+		},
+		param: {
+			type: ParamIface
+			,set: function(x) {
+				this._setParam(x);
+			}
+			,get: function() {
+				return this._param;
+			}
+		},
+		master: {
+			type: ParamIface
+			,set: function(x) {
+				this._setParam(x);
+			}
+			,get: function() {
+				return this._param;
+			}
+		},
+		lot: {
+			type: LotIface
+			,set: function(x) {
+				this._setLot(x);
+			}
+			,get: function() {
+				return this._lot;
+			}
+		},
+		name: {
+			type: String
+			,set: function(x) {
+				this._setName(x);
+			}
+			,get: function() {
+				return this._name;
+			}
+		},
+		oneWay: {
+			type: Boolean
+			,set: function(x) {
+				this._oneWay = x;
+			}
+			,get: function() {
+				return this._oneWay;
+			}
+		},
+		oneTime: {
+			type: Boolean
+			,set: function(x) {
+				this._oneTime = x;
+			}
+			,get: function() {
+				return this._oneTime;
 			}
 		}
 	}
-
-	,_value: undefined
-	,_master: null
-	,masterLock: false
-
-	,_onMasterChange: function ()
-	{
-		if (this.masterLock)
-			return;
-	
-		this.masterLock = true;
-		this.value = this._master.value;
-		this.masterLock = false;
-	}
 });
-
diff --git a/js/vn/scope.js b/js/vn/scope.js
new file mode 100644
index 00000000..f4043180
--- /dev/null
+++ b/js/vn/scope.js
@@ -0,0 +1,161 @@
+const VnObject = require('./object');
+const kebabToCamel = require('./string-util').kebabToCamel;
+
+let scopeUid = 0;
+
+module.exports = new Class({
+	Extends: VnObject
+
+	,initialize: function(builder, doc, objects, exprValues, thisArg, parent) {
+		this.builder = builder;
+		this.objects = objects;
+		this.exprValues = exprValues;
+		this.thisArg = thisArg;
+		this.parent = parent;
+		this.uid = ++scopeUid;
+		this.$ = parent ? Object.create(parent.$) : {};
+
+		if (parent) {
+			parent.ref();
+			// XXX: Keep commented until optimized
+			//parent.on('change', this.onChange, this);
+			if (!thisArg) this.thisArg = parent.thisArg;
+		}
+
+		const contexts = builder._contexts;
+		for (let i = 0; i < contexts.length; i++) {
+			const context = contexts[i];
+			objects[i] = context.compiler.instantiate(doc, context, this);
+		}
+	}
+	
+	,link: function(extraObjects) {
+		var contextMap = this.builder._contextMap;
+
+		for (var id in extraObjects)
+			this.$[id] = extraObjects[id];
+		for (var id in contextMap)
+			this.$[id] = this.objects[contextMap[id]];
+
+		const builder = this.builder;
+		const contexts = builder._contexts;
+		const objects = this.objects;
+
+		for (const compiler of builder._compilers)
+			compiler.preLink(this);
+
+		for (let i = 0; i < contexts.length; i++) {
+			const context = contexts[i];
+			context.compiler.link(context, objects[i], objects, this);
+		}
+
+		for (let i = 0; i < contexts.length; i++) {
+			const context = contexts[i];
+			context.compiler.connect(context, objects[i], objects, this);
+		}
+
+		for (const compiler of builder._compilers)
+			compiler.postLink(this);
+
+		this.digest();
+
+		for (const object of this.objects)
+		if (object.assignLot)
+			object.on('change', this.onChange, this);
+	}
+
+	,digest() {
+		const exprContexts = this.builder._exprContexts;
+		const exprValues = this.exprValues;
+		const objects = this.objects;
+
+		for (let i = 0; i < exprContexts.length; i++) {
+			const exprContext = exprContexts[i];
+			let newValue;
+
+			if (exprContext.template) {
+				const values = [];
+				let isEmpty = false;
+
+				for (expr of exprContext.exprs) {
+					const value = this.execExpr(expr);
+					if (value == null) {
+						isEmpty = true;
+						break;
+					}
+					values.push(value);
+				}
+
+				if (!isEmpty) {
+					let k = 0;
+					newValue = exprContext.template.replace(/{{\d+}}/g, function() {
+						return values[k++];
+					});
+				} else
+					newValue = '';
+			} else 
+				newValue = this.execExpr(exprContext.expr);
+
+			if (newValue !== exprValues[i]) {
+				const context = exprContext.context;
+				context.compiler.setProperty(objects[context.id],
+					exprContext.property, newValue);
+				exprValues[i] = newValue;
+			}
+		}
+	}
+
+	,execExpr(expr) {
+		try {
+			return expr.call(this.thisArg, this.$);
+		// eslint-disable-next-line no-empty
+		} catch (e) {}
+	}
+
+	,onChange() {
+		this.emit('change');
+		this.digest();
+	}
+
+	,getMain: function() {
+		return this.objects[this.builder._mainContext];
+	}
+	
+	,getById: function(objectId) {
+		if (!objectId) return null;
+		return this.$[kebabToCamel(objectId)];
+	}
+	
+	,getByTagName: function(tagName) {
+		const tags = this.builder._tags[tagName];
+	
+		if (tags) {
+			const arr = new Array(tags.length);
+			
+			for (let i = 0; i < tags.length; i++)
+				arr[i] = this.objects[tags[i]];
+
+			return arr;
+		}
+		
+		return [];
+	}
+
+	,getHtmlId: function(nodeId) {
+		return 'vn-'+ this.uid +'-'+ nodeId;
+	}
+	
+	,_destroy: function() {
+		for (const object of this.objects)
+		if (object instanceof VnObject) {
+			object.disconnectByInstance(this);
+			object.unref();
+		}
+		if (this.parent) {
+			this.parent.disconnectByInstance(this);
+			this.parent.unref();
+		}
+
+		VnObject.prototype._destroy.call(this);
+	}
+});
diff --git a/js/vn/spec.js b/js/vn/spec.js
new file mode 100644
index 00000000..f24bc6da
--- /dev/null
+++ b/js/vn/spec.js
@@ -0,0 +1,37 @@
+
+var VnObject = require('./object');
+var Type = require('./type');
+
+/**
+ * Paramter specification.
+ */
+module.exports = new Class({
+	Extends: VnObject
+	,Tag: 'vn-spec'
+	,Properties: {
+		/**
+		 * The parameter name.
+		 */
+		name: {
+			type: String
+			,set: function(x) {
+				this._name = x;
+			}
+			,get: function() {
+				return this._name;
+			}
+		},
+		/**
+		 * The parameter type.
+		 */
+		type: {
+			type: Type
+			,set: function(x) {
+				this._type = x;
+			}
+			,get: function() {
+				return this._type;
+			}
+		}
+	}
+});
diff --git a/js/vn/string-util.js b/js/vn/string-util.js
new file mode 100644
index 00000000..ccd01c7b
--- /dev/null
+++ b/js/vn/string-util.js
@@ -0,0 +1,27 @@
+module.exports = {
+	kebabToCamel: kebabToCamel,
+	kebabToPascal: kebabToPascal
+};
+
+/**
+ * Converts a kebab-case (hyphenized) string to camelCase (lowerCamelCase).
+ * 
+ * @param {String} string The kebab-case string
+ * @return {String} The string parsed to camelCase
+ */
+function kebabToCamel(string) {
+	function replaceFunc(token) {
+		return token.charAt(1).toUpperCase();
+	}
+	return string.replace(/-./g, replaceFunc);
+}
+/**
+ * Converts a kebab-case (hyphenized) string to PascalCase (UpperCamelCase).
+ * 
+ * @param {String} string The kebab-case string
+ * @return {String} The string parsed to PascalCase
+ */
+function kebabToPascal(string) {
+	string = string.charAt(0).toUpperCase() + string.substr(1);
+	return kebabToCamel(string);
+}
diff --git a/js/vn/type.js b/js/vn/type.js
new file mode 100644
index 00000000..b380e90a
--- /dev/null
+++ b/js/vn/type.js
@@ -0,0 +1,4 @@
+/**
+ * Type that references another type.
+ */
+ module.exports = function() {};
\ No newline at end of file
diff --git a/js/vn/url.js b/js/vn/url.js
index f5f9bba0..582733d8 100644
--- a/js/vn/url.js
+++ b/js/vn/url.js
@@ -1,13 +1,13 @@
 /**
  * Class to handle the URL.
- **/
+ */
 module.exports =
 {
 	/**
 	 * Gets the value of a URL variable.
 	 *
 	 * @param {string} key The variable name
-	 **/
+	 */
 	getQuery: function(key) {
 		var regExp = new RegExp('[\?\&]'+ key +'=([^\&]*)(\&?)', 'i');
 		var value = location.search.match(regExp);
@@ -20,7 +20,7 @@ module.exports =
 	 *
 	 * @param {string} key The variable name
 	 * @param {string} value The new value
-	 **/
+	 */
 	,setQuery: function(key, value) {
 		var changed = true;
 		var found = false;
diff --git a/js/vn/value.js b/js/vn/value.js
index 50dcb287..b45bf17f 100644
--- a/js/vn/value.js
+++ b/js/vn/value.js
@@ -1,65 +1,191 @@
 
-var VnDate = require ('./date');
+var VnDate = require('./date');
 
-module.exports =
-{
-	 regexpNumber: /%\.([0-9]+)d/g
-	,regexpString: /%s/g
+/**
+ * Clones a simple value. A simple value is any value that is not an array,
+ * object or function. If non-simple value is passed, the same object reference
+ * is returned.
+ *
+ * @param {*} value The value to be copied
+ * @return {*} The value copy
+ */
+function simpleClone(value) {
+	if (value instanceof Date)
+		return value.clone();
 
-	,compare: function (a, b)
-	{
-		if (a === b)
-			return true;
-		if (typeof a === typeof b && a instanceof Date)
-			return a.getTime () === b.getTime ();
-			
-		return false;		
-	}
-	
-	,format: function (value, format)
-	{
-		if (value === null || value === undefined)
-			return '';
-	
-		if (format)
-		switch (typeof value)
-		{
-			case 'number':
-				return format.replace (this.regexpNumber,
-					this.replaceNumber.bind (null, value));
-			case 'string':
-				return format.replace (this.regexpString,
-					this.replaceString.bind (null, value));
-			case 'object':
-			if (value instanceof Date)
-				return VnDate.strftime (value, format);
-		}
-		
-		return value;
-	}
-	
-	,replaceNumber: function (value, token, digits)
-	{
-		return new Number (value).toFixed (parseInt (digits));
-	}
-	
-	,replaceString: function (value)
-	{
-		return value;
-	}
-};
+	return value;
+}
 
-window.sprintf = function (formatString)
-{
+/**
+ * Checks if two simple values are equal using the strict equality operator. For
+ * information about simple values see simpleClone() function.
+ *
+ * @param {*} a Value to compare to
+ * @param {*} b Value to compare with
+ * @return {boolean} %true if they are equal, %false otherwise
+ */
+function simpleEquals(a, b) {
+	if (a === b)
+		return true;
+	if (a instanceof Date && b instanceof Date)
+		return a.getTime() === b.getTime();
+
+	return false;
+}
+
+/**
+ * Calculates differences between two simple key-value objects.
+ *
+ * @param {Object} orgObject Value to compare to
+ * @param {Object} newObject Value to compare with
+ * @return {Object} The differences or %null if there are no differences
+ */
+function diff(orgObject, newObject) {
+	var diff = {};
+
+	for (var key in orgObject)
+	if (!simpleEquals(orgObject[key], newObject[key]))
+		diff[key] = simpleClone(newObject[key]);
+
+	for (var key in newObject)
+	if (orgObject[key] === undefined && newObject[key] !== undefined)
+		diff[key] = simpleClone(newObject[key]);
+
+	if (Object.keys(diff).length > 0)
+		return diff;
+
+	return null;
+}
+
+/**
+ * Calculates new differences between two simple key-value objects.
+ *
+ * @param {Object} orgObject Value to compare to
+ * @param {Object} newObject Value to compare with
+ * @return {Object} The differences or %null if there are no differences
+ */
+function partialDiff(orgObject, newObject) {
+	var diff = {};
+
+	for (var key in newObject)
+	if (!simpleEquals(orgObject[key], newObject[key]))
+		diff[key] = simpleClone(newObject[key]);
+
+	if (Object.keys(diff).length > 0)
+		return diff;
+
+	return null;
+}
+
+/**
+ * Clones a simple key-value object in wich properties are simple values. For
+ * information about simple values see simpleClone() function.
+ * 
+ * @param {*} object The object to be cloned
+ * @return The cloned object
+ */
+function kvClone(object) {
+	var copy = {};
+
+	for (var key in object)
+		copy[key] = simpleClone(object[key]);
+
+	return copy;
+}
+
+/**
+ * Checks if two values are equal, it also checks objects. Basic values are
+ * compared using the strict equality operator.
+ *
+ * @param {*} a Value to compare to
+ * @param {*} b Value to compare with
+ * @return {boolean} %true if they are equal, %false otherwise
+ */
+function equals(a, b) {
+	if (a === b)
+		return true;
+	if (a instanceof Date && b instanceof Date)
+		return a.getTime() === b.getTime();
+	if (a && b && (typeof a === 'object') && (typeof b === 'object')) {
+		for (var key in a)
+		if (!equals(a[key], b[key]))
+			return false;
+
+		for (var key in b)
+		if (a[key] === undefined && b[key] !== undefined)
+			return false;
+
+		return true;
+	}
+
+	return false;
+}
+
+/**
+ * Returns a formated string.
+ *
+ * @param {Object} formatString The base string template
+ * @param {...} arguments Format parameters
+ * @return {string} The formated string
+ */
+function sprintf(formatString) {
 	var args = arguments;
 
 	if (args.length <= 1)
 		return formatString;
 	
 	var i = 1;
-	return formatString.replace (/%[s|d]/g, function ()
-	{
+	return formatString.replace(/%[s|d]/g, function() {
 		return args[i++];
 	});
 }
 
+module.exports = {
+	 regexpNumber: /%\.([0-9]+)d/g
+	,regexpString: /%s/g
+
+	,equals
+	,diff
+	,partialDiff
+	,kvClone
+	,simpleClone
+	,simpleEquals
+	,sprintf
+
+	,compare: function(a, b) {
+		if (a === b)
+			return true;
+		if (a instanceof Date && b instanceof Date)
+			return a.getTime() === b.getTime();
+			
+		return false;		
+	}
+
+	,format: function(value, format) {
+		if (value === null || value === undefined)
+			return '';
+	
+		if (format)
+		switch (typeof value) {
+			case 'number':
+				return format.replace(this.regexpNumber,
+					this.replaceNumber.bind(null, value));
+			case 'string':
+				return format.replace(this.regexpString,
+					this.replaceString.bind(null, value));
+			case 'object':
+			if (value instanceof Date)
+				return VnDate.strftime(value, format);
+		}
+		
+		return value;
+	}
+
+	,replaceNumber: function(value, token, digits) {
+		return new Number(value).toFixed(parseInt(digits));
+	}
+
+	,replaceString: function(value) {
+		return value;
+	}
+};
diff --git a/js/vn/vn.js b/js/vn/vn.js
index 6a0ebe5a..5e272e9d 100644
--- a/js/vn/vn.js
+++ b/js/vn/vn.js
@@ -1,40 +1,50 @@
 
-require ('mootools');
+require('mootools');
 
 Vn = module.exports = {
-	 Locale         : require ('./locale')
-	,Enum           : function () {}
-	,Object         : require ('./object')
-	,Browser        : require ('./browser')
-	,Cookie         : require ('./cookie')
-	,Date           : require ('./date')
-	,Value          : require ('./value')
-	,Url            : require ('./url')
-	,Mutators       : require ('./mutators')
-	,Param          : require ('./param')
-	,HashListener   : require ('./hash-listener')
-	,Hash           : require ('./hash')
-	,HashParam      : require ('./hash-param')
-	,Node           : require ('./node')
-	,Builder        : require ('./builder')
-	,JsonException  : require ('./json-exception')
-	,JsonConnection : require ('./json-connection')
+	 Locale         : require('./locale')
+	,Enum           : require('./enum')
+	,Type           : require('./type')
+	,Object         : require('./object')
+	,Mutators       : require('./mutators')
+	,Browser        : require('./browser')
+	,Cookie         : require('./cookie')
+	,Date           : require('./date')
+	,Value          : require('./value')
+	,Url            : require('./url')
+	,LotIface       : require('./lot-iface')
+	,Lot            : require('./lot')
+	,LotQuery       : require('./lot-query')
+	,Hash           : require('./hash')
+	,ParamIface     : require('./param-iface')
+	,Param          : require('./param')
+	,Spec           : require('./spec')
+	,Model          : require('./model')
+	,ModelIface     : require('./model-iface')
+	,ModelProxy     : require('./model-proxy')
+	,IteratorIface  : require('./iterator-iface')
+	,Iterator       : require('./iterator')
+	,Form           : require('./form')
+	,Node           : require('./node')
+	,NodeBuilder    : require('./node-builder')
+	,Component      : require('./component')
+	,Builder        : require('./builder')
+	,JsonException  : require('./json-exception')
+	,JsonConnection : require('./json-connection')
 
 	,Config: {}
 	,includes: {}
 	,cssIncludes: {}
 	,currentDeps: []
 	,currentCallback: null
-	,head: document.getElementsByTagName ('head')[0]
+	,head: document.getElementsByTagName('head')[0]
 	,isMobileCached: null
 	
-	,getVersion: function ()
-	{
-		if (this._version === undefined)
-		{
+	,getVersion: function() {
+		if (this._version === undefined) {
 			var re = /[; ]vnVersion=([^\\s;]*)/;
-			var sMatch = (' '+ document.cookie).match (re);
-			this._version = (sMatch) ? '?'+ unescape (sMatch[1]) : '';
+			var sMatch = (' '+ document.cookie).match(re);
+			this._version = (sMatch) ? '?'+ unescape(sMatch[1]) : '';
 		}
 		
 		return this._version;
@@ -45,27 +55,23 @@ Vn = module.exports = {
 	 * is already included, does nothing.
 	 *
 	 * @param {string} fileName The stylesheet file name
-	 **/
-	,includeCss: function (fileName)
-	{	
+	 */
+	,includeCss: function(fileName) {	
 		var cssData = this.cssIncludes[fileName];
 
-		if (!cssData)
-		{
-			var link = document.createElement ('link');
+		if (!cssData) {
+			var link = document.createElement('link');
 			link.rel = 'stylesheet';
 			link.type = 'text/css';
-			link.href = fileName + this.getVersion ();
-			this.head.appendChild (link);
+			link.href = fileName + this.getVersion();
+			this.head.appendChild(link);
 			
 			this.cssIncludes[fileName] = 
 			{
 				 included: true
 				,link: link
 			};
-		}
-		else if (!cssData.included)
-		{
+		} else if (!cssData.included) {
 			cssData.link.disabled = false;
 			cssData.included = true;
 		}
@@ -75,20 +81,17 @@ Vn = module.exports = {
 	 * Excludes a CSS stylesheet from the current document.
 	 *
 	 * @param {string} fileName The stylesheet file name
-	 **/
-	,excludeCss: function (fileName)
-	{
+	 */
+	,excludeCss: function(fileName) {
 		var cssData = this.cssIncludes[fileName];
 	
-		if (cssData && cssData.included)
-		{
+		if (cssData && cssData.included) {
 			cssData.link.disabled = true;
 			cssData.included = false;
 		}		
 	}
 	
-	,_createIncludeData: function (path)
-	{
+	,_createIncludeData: function(path) {
 		var includeData = {
 			 depCount: 0
 			,success: false
@@ -101,37 +104,34 @@ Vn = module.exports = {
 		return includeData;
 	}
 	
-	,_handleCallback: function (includeData, callback)
-	{
+	,_handleCallback: function(includeData, callback) {
 		if (!callback)
 			return;
 	
 		if (includeData.success)
-			callback (includeData.loaded);
+			callback(includeData.loaded);
 		else
-			includeData.callbacks.push (callback);
+			includeData.callbacks.push(callback);
 	}
 	
-	,_resolveDeps: function (includeData)
-	{
+	,_resolveDeps: function(includeData) {
 		includeData.success = true;
 
 		var callbacks = includeData.callbacks;
 	
 		if (callbacks)		
 		for (var i = 0; i < callbacks.length; i++)
-			callbacks[i] (includeData.loaded);
+			callbacks[i](includeData.loaded);
 
 		var dependants = includeData.dependants;
 
 		if (dependants)
-		for (var i = 0; i < dependants.length; i++)
-		{
+		for (var i = 0; i < dependants.length; i++) {
 			var dependant = dependants[i];
 			dependant.depCount--;
 			
 			if (dependant.depCount == 0)
-				this._resolveDeps (dependant);
+				this._resolveDeps(dependant);
 		}
 
 		delete includeData.callbacks;
@@ -145,12 +145,10 @@ Vn = module.exports = {
 	 * Should be called on the last statically incuded script.
 	 *
 	 * @param {Function} callback The main function
-	 **/
-	,main: function (callback)
-	{
-		if (this.mainCalled)
-		{
-			Vn.warning ("Vn: main method should be called only once");
+	 */
+	,main: function(callback) {
+		if (this.mainCalled) {
+			Vn.warning("Vn: main method should be called only once");
 			return;
 		}
 	
@@ -161,44 +159,39 @@ Vn = module.exports = {
 		basePath += location.port ? ':'+ location.port : '';
 		basePath += location.pathname;
 
-		var scripts = this.head.getElementsByTagName ('script');
+		var scripts = this.head.getElementsByTagName('script');
 		var includes = this.currentDeps;
 
-		for (var i = 0; i < scripts.length; i++)
-		{
-			var path = scripts[i].src.substr (basePath.length);
-			path = path.substr (0, path.indexOf ('.js')) +'.js';
+		for (var i = 0; i < scripts.length; i++) {
+			var path = scripts[i].src.substr(basePath.length);
+			path = path.substr(0, path.indexOf('.js')) +'.js';
 
 			var includeData = this.includes[path];
 			
-			if (includeData === undefined)
-			{
+			if (includeData === undefined) {
 				this.currentDeps = includes;
-				var includeData = this._createIncludeData (path);
-				this._onScriptLoad (includeData, true);
+				var includeData = this._createIncludeData(path);
+				this._onScriptLoad(includeData, true);
 			}
 		}
 
-		includeData.callbacks.push (this._onMainDepsLoad.bind (this));
-		window.addEventListener ('load', this._onWindowLoad.bind (this));
+		includeData.callbacks.push(this._onMainDepsLoad.bind(this));
+		window.addEventListener('load', this._onWindowLoad.bind(this));
 	}
 	
-	,_onMainDepsLoad: function ()
-	{
+	,_onMainDepsLoad: function() {
 		this.mainDepsLoaded = true;
-		this._callMain ();
+		this._callMain();
 	}
 	
-	,_onWindowLoad: function ()
-	{
+	,_onWindowLoad: function() {
 		this.windowReady = true;
-		this._callMain ();
+		this._callMain();
 	}
 	
-	,_callMain: function ()
-	{
+	,_callMain: function() {
 		if (this.mainCallback && this.windowReady && this.mainDepsLoaded)
-			this.mainCallback ();
+			this.mainCallback();
 	}
 	
 	/**
@@ -206,15 +199,13 @@ Vn = module.exports = {
 	 * current script.
 	 *
 	 * @param {...} The list of files as function arguments
-	 **/
-	,include: function ()
-	{
-		for (var i = 0; i < arguments.length; i++)
-		{
-			var includeData = this._realIncludeJs (arguments[i] +'.js');
+	 */
+	,include: function() {
+		for (var i = 0; i < arguments.length; i++) {
+			var includeData = this._realIncludeJs(arguments[i] +'.js');
 			
 			if (!includeData.success)
-				this.currentDeps.push (includeData);
+				this.currentDeps.push(includeData);
 		}
 	}
 
@@ -223,15 +214,13 @@ Vn = module.exports = {
 	 * current script.
 	 *
 	 * @param {...} The list of files as function arguments
-	 **/
-	,resource: function ()
-	{
-		for (var i = 0; i < arguments.length; i++)
-		{
-			var includeData = this._realLoadXml (arguments[i]);
+	 */
+	,resource: function() {
+		for (var i = 0; i < arguments.length; i++) {
+			var includeData = this._realLoadXml(arguments[i]);
 			
 			if (!includeData.success)
-				this.currentDeps.push (includeData);
+				this.currentDeps.push(includeData);
 		}
 	}
 	
@@ -240,9 +229,8 @@ Vn = module.exports = {
 	 * are resolved.
 	 *
 	 * @param {Function} callback The callback function
-	 **/
-	,define: function (callback)
-	{
+	 */
+	,define: function(callback) {
 		this.currentCallback = callback;
 	}
 	
@@ -251,13 +239,12 @@ Vn = module.exports = {
 	 *
 	 * @param {string} libName The folder of the library
 	 * @param {Array<string>} files Array with every library file name
-	 **/
-	,includeLib: function (libName, files)
-	{
-		Vn.Locale.loadScript ('js/'+ libName +'.js');
+	 */
+	,includeLib: function(libName, files) {
+		Vn.Locale.loadScript('js/'+ libName +'.js');
 
 		for (var i = 0; i < files.length; i++)
-			this.include ('js/'+ libName +'/'+ files[i]);
+			this.include('js/'+ libName +'/'+ files[i]);
 	}
 
 	/**
@@ -267,73 +254,64 @@ Vn = module.exports = {
 	 * @param {string} fileName The script file name
 	 * @param {Function} callback The function to call when script is
 	 * downloaded and included
-	 **/
-	,includeJs: function (fileName, callback, skipVersion)
-	{
-		var includeData = this._realIncludeJs (fileName, skipVersion);
-		this._handleCallback (includeData, callback);
+	 */
+	,includeJs: function(fileName, callback, skipVersion) {
+		var includeData = this._realIncludeJs(fileName, skipVersion);
+		this._handleCallback(includeData, callback);
 	}
 	 
-	,_realIncludeJs: function (fileName, skipVersion)
-	{
+	,_realIncludeJs: function(fileName, skipVersion) {
 		var includeData = this.includes[fileName];
 	
-		if (includeData === undefined)
-		{
-			includeData = this._createIncludeData (fileName);
+		if (includeData === undefined) {
+			includeData = this._createIncludeData(fileName);
 
 			var src = fileName;
 
 			if (!skipVersion)
-				src = src + this.getVersion ();
+				src = src + this.getVersion();
 
-			var script = document.createElement ('script');
+			var script = document.createElement('script');
 			script.type = 'text/javascript';
 			script.async = false;
 			script.src = src;
 
 			script.onload =
-				this._onScriptLoad.bind (this, includeData, true);
+				this._onScriptLoad.bind(this, includeData, true);
 			script.onerror =
-				this._onScriptLoad.bind (this, includeData, false);
+				this._onScriptLoad.bind(this, includeData, false);
 			script.onreadystatechange =
-				this._onScriptStateChange.bind (this, includeData, script);
+				this._onScriptStateChange.bind(this, includeData, script);
 
-			this.head.appendChild (script);
+			this.head.appendChild(script);
 		}
 
 		return includeData;
 	}
 
-	,_onScriptStateChange: function (includeData, script)
-	{
+	,_onScriptStateChange: function(includeData, script) {
 		if (script.readyState == 'complete')
-			this._onScriptLoad (includeData, true);
+			this._onScriptLoad(includeData, true);
 	}
 
-	,_onScriptLoad: function (includeData, loaded)
-	{
+	,_onScriptLoad: function(includeData, loaded) {
 		includeData.loaded = loaded;
 
-		if (loaded)
-		{			
+		if (loaded) {			
 			if (this.currentCallback)
-				includeData.callbacks.unshift (this.currentCallback);
+				includeData.callbacks.unshift(this.currentCallback);
 
 			var includes = this.currentDeps;
 			
-			if (includes && includes.length > 0)
-			{
+			if (includes && includes.length > 0) {
 				includeData.depCount = includes.length;
 
 				for (var i = 0; i < includes.length; i++)
-					includes[i].dependants.push (includeData);
-			}
-			else
-				this._resolveDeps (includeData);
-		}
-		else
-			this._resolveDeps (includeData);
+					includes[i].dependants.push(includeData);
+			} else
+				this._resolveDeps(includeData);
+		} else
+			this._resolveDeps(includeData);
 		
 		this.currentDeps = [];
 		this.currentCallback = null;
@@ -344,33 +322,29 @@ Vn = module.exports = {
 	 *
 	 * @param {string} path The file path
 	 * @param {Function} callback The function to call when file is downloaded
-	 **/
-	,loadXml: function (path, callback)
-	{
-		var includeData = this._realLoadXml (path);
-		this._handleCallback (includeData, callback);
+	 */
+	,loadXml: function(path, callback) {
+		var includeData = this._realLoadXml(path);
+		this._handleCallback(includeData, callback);
 	}
 
-	,_realLoadXml: function (path)
-	{
+	,_realLoadXml: function(path) {
 		var includeData = this.includes[path];
 	
-		if (includeData === undefined)
-		{
-			includeData = this._createIncludeData (path);
+		if (includeData === undefined) {
+			includeData = this._createIncludeData(path);
 
-			var request = new XMLHttpRequest ();
+			var request = new XMLHttpRequest();
 			request.onreadystatechange =
-				this._onXmlReady.bind (this, includeData, request);
-			request.open ('get', path + this.getVersion (), true);
-			request.send ();
+				this._onXmlReady.bind(this, includeData, request);
+			request.open('get', path + this.getVersion(), true);
+			request.send();
 		}
 
 		return includeData;
 	}
 	
-	,_onXmlReady: function (includeData, request)
-	{
+	,_onXmlReady: function(includeData, request) {
 		if (request.readyState != 4)
 			return;
 			
@@ -379,7 +353,7 @@ Vn = module.exports = {
 		if (includeData.loaded)
 			includeData.xml = request.responseXML;
 			
-		this._resolveDeps (includeData);
+		this._resolveDeps(includeData);
 	}
 	
 	/**
@@ -387,9 +361,8 @@ Vn = module.exports = {
 	 *
 	 * @param {string} path The file path
 	 * @return {Object} The DOM object
-	 **/
-	,getXml: function (path)
-	{
+	 */
+	,getXml: function(path) {
 		var includeData = this.includes[path];
 		
 		if (!(includeData && includeData.success))
@@ -402,16 +375,13 @@ Vn = module.exports = {
 	 * Checks if user is using a mobile browser.
 	 *
 	 * return {boolean} %true if is mobile, %false otherwise.
-	 **/
-	,isMobile: function ()
-	{
-		if (this.isMobileCached === null)
-		{
+	 */
+	,isMobile: function() {
+		if (this.isMobileCached === null) {
 			var regExp = /(Android|webOS|iPhone|iPad|iPod|BlackBerry|Windows Phone)/i;
-			this.isMobileCached =  navigator.userAgent.match (regExp);
+			this.isMobileCached =  navigator.userAgent.match(regExp);
 		}
 
 		return this.isMobileCached;
 	}
 };
-
diff --git a/package-lock.json b/package-lock.json
index bc3d4873..e69de29b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15079 +0,0 @@
-{
-  "name": "hedera-web",
-  "version": "1.408.18",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "hedera-web",
-      "version": "1.408.18",
-      "license": "GPL-3.0",
-      "dependencies": {
-        "js-yaml": "^3.12.1",
-        "mootools": "^1.5.2",
-        "require-yaml": "0.0.1",
-        "tinymce": "^5.0.0"
-      },
-      "devDependencies": {
-        "archiver": "^3.0.0",
-        "assets-webpack-plugin": "^3.9.7",
-        "bundle-loader": "^0.5.6",
-        "css-loader": "^2.1.0",
-        "eslint": "^5.13.0",
-        "file-loader": "^3.0.1",
-        "fs-extra": "^5.0.0",
-        "glob": "^7.1.3",
-        "json-loader": "^0.5.7",
-        "raw-loader": "^1.0.0",
-        "style-loader": "^0.23.1",
-        "url-loader": "^1.1.2",
-        "webpack": "^4.29.1",
-        "webpack-cli": "^3.2.3",
-        "webpack-dev-server": "^3.1.14",
-        "webpack-merge": "^4.2.1",
-        "yaml-loader": "^0.5.0"
-      }
-    },
-    "node_modules/@babel/code-frame": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
-      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
-      "dev": true,
-      "dependencies": {
-        "@babel/highlight": "^7.0.0"
-      }
-    },
-    "node_modules/@babel/highlight": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
-      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
-      "dev": true,
-      "dependencies": {
-        "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
-        "js-tokens": "^4.0.0"
-      }
-    },
-    "node_modules/@types/glob": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.2.0.tgz",
-      "integrity": "sha512-ZUxbzKl0IfJILTS6t7ip5fQQM/J3TJYubDm3nMbgubNNYS62eXeUpoLUC8/7fJNiFYHTrGPQn7hspDUzIHX3UA==",
-      "dev": true,
-      "dependencies": {
-        "@types/minimatch": "*",
-        "@types/node": "*"
-      }
-    },
-    "node_modules/@types/minimatch": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-5.1.2.tgz",
-      "integrity": "sha512-K0VQKziLUWkVKiRVrx4a40iPaxTUefQmjtkQofBkYRcoaaL/8rhwDWww9qWbrgicNOgnpIsMxyNIUM4+n6dUIA==",
-      "dev": true
-    },
-    "node_modules/@types/node": {
-      "version": "18.8.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.8.3.tgz",
-      "integrity": "sha512-0os9vz6BpGwxGe9LOhgP/ncvYN5Tx1fNcd2TM3rD/aCGBkysb+ZWpXEocG24h6ZzOi13+VB8HndAQFezsSOw1w==",
-      "dev": true
-    },
-    "node_modules/@webassemblyjs/ast": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.7.11.tgz",
-      "integrity": "sha512-ZEzy4vjvTzScC+SH8RBssQUawpaInUdMTYwYYLh54/s8TuT0gBLuyUnppKsVyZEi876VmmStKsUs28UxPgdvrA==",
-      "dev": true,
-      "dependencies": {
-        "@webassemblyjs/helper-module-context": "1.7.11",
-        "@webassemblyjs/helper-wasm-bytecode": "1.7.11",
-        "@webassemblyjs/wast-parser": "1.7.11"
-      }
-    },
-    "node_modules/@webassemblyjs/floating-point-hex-parser": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.7.11.tgz",
-      "integrity": "sha512-zY8dSNyYcgzNRNT666/zOoAyImshm3ycKdoLsyDw/Bwo6+/uktb7p4xyApuef1dwEBo/U/SYQzbGBvV+nru2Xg==",
-      "dev": true
-    },
-    "node_modules/@webassemblyjs/helper-api-error": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-api-error/-/helper-api-error-1.7.11.tgz",
-      "integrity": "sha512-7r1qXLmiglC+wPNkGuXCvkmalyEstKVwcueZRP2GNC2PAvxbLYwLLPr14rcdJaE4UtHxQKfFkuDFuv91ipqvXg==",
-      "dev": true
-    },
-    "node_modules/@webassemblyjs/helper-buffer": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-buffer/-/helper-buffer-1.7.11.tgz",
-      "integrity": "sha512-MynuervdylPPh3ix+mKZloTcL06P8tenNH3sx6s0qE8SLR6DdwnfgA7Hc9NSYeob2jrW5Vql6GVlsQzKQCa13w==",
-      "dev": true
-    },
-    "node_modules/@webassemblyjs/helper-code-frame": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.7.11.tgz",
-      "integrity": "sha512-T8ESC9KMXFTXA5urJcyor5cn6qWeZ4/zLPyWeEXZ03hj/x9weSokGNkVCdnhSabKGYWxElSdgJ+sFa9G/RdHNw==",
-      "dev": true,
-      "dependencies": {
-        "@webassemblyjs/wast-printer": "1.7.11"
-      }
-    },
-    "node_modules/@webassemblyjs/helper-fsm": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-fsm/-/helper-fsm-1.7.11.tgz",
-      "integrity": "sha512-nsAQWNP1+8Z6tkzdYlXT0kxfa2Z1tRTARd8wYnc/e3Zv3VydVVnaeePgqUzFrpkGUyhUUxOl5ML7f1NuT+gC0A==",
-      "dev": true
-    },
-    "node_modules/@webassemblyjs/helper-module-context": {
-      "version": "1.7.11",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-module-context/-/helper-module-context-1.7.11.tgz",
-      "integrity": "sha512-JxfD5DX8Ygq4PvXDucq0M+sbUFA7BJAv/GGl9ITovqE+idGX+J3QSzJYz+LwQmL7fC3Rs+utvWoJxDb6pmC0qg==",
-      "dev": true
-    },
-    "node_modules/@webassemblyjs/helper-wasm-bytecode": {
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-      "dev": true,
-      "requires": {
-        "camelcase": "^5.0.0",
-        "decamelize": "^1.2.0"
-      }
-    },
-    "zip-stream": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-2.0.1.tgz",
-      "integrity": "sha512-c+eUhhkDpaK87G/py74wvWLtz2kzMPNCCkUApkun50ssE0oQliIQzWpTnwjB+MTKVIf2tGzIgHyqW/Y+W77ecQ==",
-      "dev": true,
-      "requires": {
-        "archiver-utils": "^2.0.0",
-        "compress-commons": "^1.2.0",
-        "readable-stream": "^2.0.0"
-      }
-    }
-  }
-}
diff --git a/package.json b/package.json
index 74a5618a..5a03e039 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hedera-web",
-  "version": "1.408.24",
+  "version": "22.44.0",
   "description": "Verdnatura web page",
   "license": "GPL-3.0",
   "repository": {
@@ -8,22 +8,25 @@
     "url": "https://git.verdnatura.es/hedera-web"
   },
   "devDependencies": {
-    "archiver": "^3.0.0",
-    "assets-webpack-plugin": "^3.9.7",
+    "archiver": "^5.3.1",
+    "assets-webpack-plugin": "^7.1.1",
     "bundle-loader": "^0.5.6",
-    "css-loader": "^2.1.0",
-    "eslint": "^5.13.0",
-    "file-loader": "^3.0.1",
-    "fs-extra": "^5.0.0",
-    "glob": "^7.1.3",
+    "css-loader": "^6.7.1",
+    "eslint": "^8.15.0",
+    "file-loader": "^6.2.0",
+    "fs-extra": "^10.1.0",
+    "glob": "^8.0.3",
+    "html-webpack-plugin": "^5.5.0",
     "json-loader": "^0.5.7",
-    "raw-loader": "^1.0.0",
-    "style-loader": "^0.23.1",
-    "url-loader": "^1.1.2",
-    "webpack": "^4.29.1",
-    "webpack-cli": "^3.2.3",
-    "webpack-dev-server": "^3.1.14",
-    "webpack-merge": "^4.2.1",
+    "node-sass": "^7.0.1",
+    "raw-loader": "^4.0.2",
+    "sass-loader": "^12.6.0",
+    "style-loader": "^3.3.1",
+    "url-loader": "^4.1.1",
+    "webpack": "^5.72.1",
+    "webpack-cli": "^4.9.2",
+    "webpack-dev-server": "^4.9.0",
+    "webpack-merge": "^5.8.0",
     "yaml-loader": "^0.5.0"
   },
   "dependencies": {
@@ -33,7 +36,8 @@
     "tinymce": "^5.0.0"
   },
   "scripts": {
-    "dev": "webpack-dev-server --progress --colors --hot",
+    "front": "webpack serve --open",
+    "back": "cd ../salix && gulp backOnly",
     "build": "rm -rf build/ ; webpack",
     "clean": "rm -rf build/"
   }
diff --git a/pages/production/main.js b/pages/production/main.js
index ab388a4d..d3a076e2 100644
--- a/pages/production/main.js
+++ b/pages/production/main.js
@@ -126,18 +126,18 @@ function display (text, status, error)
 	if (error)
 	{
 		text = text ? text : 'Er';
-		$('error').textContent = error;
-		$('error').style.display = 'block';
+		$.error.textContent = error;
+		$.error.style.display = 'block';
 		bgColor = 'red';
 	}
 	else
 	{
-		$('error').textContent = '';
-		$('error').style.display = 'none';
+		$.error.textContent = '';
+		$.error.style.display = 'none';
 		bgColor = 'green';
 	}
 
-	$('text').textContent = text;
+	$.text.textContent = text;
 	body.className = status ? status : '';
 
 	body.addEventListener ('transitionend', onTransitionEnd);
diff --git a/reports/delivery-note/delivery-note.js b/reports/delivery-note/delivery-note.js
deleted file mode 100644
index bfe0332b..00000000
--- a/reports/delivery-note/delivery-note.js
+++ /dev/null
@@ -1,39 +0,0 @@
-
-Hedera.DeliveryNote = new Class({
-	Extends: Hedera.Report,
-
-	onTicketReady: function(form) {
-		if (form.get('method') != 'PICKUP')
-			Vn.Node.setText(this.$('method'), _('Agency'));
-		else
-			Vn.Node.setText(this.$('method'), _('Warehouse'));
-	},
-
-	discountRenderer: function(column, form) {
-		column.value = form.get('discount') ? form.get('discount') : null;
-	},
-
-	subtotalRenderer: function(column, form) {
-		column.value = this.subtotal(form);
-	},
-
-	subtotal: function(form) {
-		var price = form.get('price');
-		var discount = form.get('discount');
-		return form.get('quantity') * price *((100 - discount) / 100);
-	},
-
-	serviceSubtotal: function(column, form) {
-		column.value = form.get('quantity') * form.get('price');
-	},
-	
-	onServicesChanged: function(model) {
-		this.$('services').node.style.display =
-			model.numRows > 0 ? 'block' : 'none';
-	},
-	
-	onPackagesChanged: function(model) {
-		this.$('packages').node.style.display =
-			model.numRows > 0 ? 'block' : 'none';
-	}
-});
diff --git a/reports/delivery-note/style.css b/reports/delivery-note/style.css
deleted file mode 100644
index fe39e671..00000000
--- a/reports/delivery-note/style.css
+++ /dev/null
@@ -1,45 +0,0 @@
-*
-{
-	font-size: 4mm;
-}
-.sheet
-{
-	height: auto;
-}
-h2
-{
-	font-size: 1.2em;
-	font-weight: bold;
-}
-.header
-{
-	margin-bottom: 2em;
-}
-.header > div > p
-{
-	margin: .1em 0;
-}
-.important
-{
-	font-size: 1.2em;
-	font-weight: bold;
-}
-.address,
-.total
-{
-	margin-top: .8em;
-}
-.total
-{
-	text-align: right;
-}
-.htk-grid
-{
-	margin-top: 1em;
-}
-.packages
-{
-	width: 50%;
-	margin-left: 0;
-	display: none;
-}
diff --git a/reports/delivery-note/ui.xml b/reports/delivery-note/ui.xml
deleted file mode 100644
index 23f95654..00000000
--- a/reports/delivery-note/ui.xml
+++ /dev/null
@@ -1,89 +0,0 @@
-<vn>
-<vn-group>
-	<db-form id="ticket" on-ready="onTicketReady">
-		<db-model property="model" id="ticket-data" conn="conn" batch="batch">
-			CALL myTicket_get(#ticket)
-		</db-model>
-	</db-form>
-</vn-group>
-<div id="report" class="sheet">
-	<h2>
-		#<htk-text column="id" form="ticket"/>
-	</h2>
-	<div class="header">
-		<div>
-			<p>
-				<t>Preparation</t> <htk-text form="ticket" column="shipped" format="%D"/>
-			</p>
-			<p>
-				<t>Delivery</t> <htk-text form="ticket" column="landed" format="%D"/>
-			</p>
-			<p>
-				<span id="method"></span> <htk-text form="ticket" column="agency"/>
-			</p>
-		</div>
-		<div class="address">
-			<p>
-				<htk-text form="ticket" column="nickname"/>
-			</p>
-			<p>
-				<htk-text form="ticket" column="street"/>
-			</p>
-			<p>
-				<htk-text form="ticket" column="postalCode"/> 
-				<htk-text form="ticket" column="city"/> 
-				(<htk-text form="ticket" column="province"/>)
-			</p>
-		</div>
-		<div class="total">
-			<p class="important">
-				<t>Total</t> 
-				<htk-text format="%.2d€" form="ticket" column="taxBase"/>
-			</p>
-			<p class="important">
-				<t>Total + tax</t> 
-				<htk-text format="%.2d€" form="ticket" column="total"/>
-			</p>
-		</div>
-	</div>
-	<htk-grid>
-		<db-model property="model" id="movements" conn="conn" batch="batch">
-			CALL myTicket_getRows(#ticket)
-		</db-model>
-		<htk-column-spin title="_Ref" column="itemFk"/>
-		<htk-column-spin title="_Amount" column="quantity"/>
-		<htk-column-text title="_Item" column="concept"/>
-		<htk-column-text title="_S1" column="size"/>
-		<htk-column-text title="_Cat" column="category"/>
-		<htk-column-spin title="_Price" column="price" unit="€" digits="2"/>
-		<htk-column-spin title="_Disc" column="discount" unit="%" renderer="discountRenderer"/>
-		<htk-column-spin title="_Subtotal" unit="€" digits="2" renderer="subtotalRenderer"/>
-	</htk-grid>
-	<htk-grid id="services">
-		<db-model
-			property="model"
-			id="services"
-			conn="conn"
-			batch="batch"
-			on-status-changed="onServicesChanged">
-			CALL myTicket_getServices(#ticket)
-		</db-model>
-		<htk-column-text title="_Service" column="description"/>
-		<htk-column-spin title="_Amount" column="quantity"/>
-		<htk-column-spin title="_Price" column="price" unit="€" digits="2"/>
-		<htk-column-spin title="_Subtotal" unit="€" digits="2" renderer="serviceSubtotal"/>
-	</htk-grid>
-	<htk-grid id="packages" class="packages">
-		<db-model
-			property="model"
-			conn="conn"
-			batch="batch"
-			on-status-changed="onPackagesChanged">
-				CALL myTicket_getPackages(#ticket)
-		</db-model>
-		<htk-column-spin title="_Ref" column="id"/>
-		<htk-column-spin title="_Amount" column="quantity"/>
-		<htk-column-text title="_Packaging" column="name"/>
-	</htk-grid>
-</div>
-</vn>
diff --git a/reports/items-report/items-report.js b/reports/items-report/items-report.js
deleted file mode 100644
index 76963065..00000000
--- a/reports/items-report/items-report.js
+++ /dev/null
@@ -1,5 +0,0 @@
-
-Hedera.ItemsReport = new Class
-({
-	Extends: Hedera.Report
-});
diff --git a/reports/items-report/style.css b/reports/items-report/style.css
deleted file mode 100644
index 453ef8ba..00000000
--- a/reports/items-report/style.css
+++ /dev/null
@@ -1,45 +0,0 @@
-*
-{
-	font-size: 4mm;
-}
-.sheet
-{
-	height: auto;
-}
-h1
-{
-	font-weight: normal;
-	font-size: 200%;
-	text-align: center;
-	margin: 0 auto;
-	margin-bottom: 8mm;
-}
-.htk-grid
-{
-	border-collapse: collapse;
-	width: 100%;
-	margin: 0 auto;
-	padding: 0;
-}
-thead > tr
-{
-	border-bottom: 1px solid #333;
-	height: 10mm;
-}
-th
-{
-	font-weight: normal;
-}
-td
-{
-	padding-left: 2mm;
-}
-tbody > tr
-{
-	height: 18mm;
-}
-.cell-image img
-{
-	width: 15mm;
-}
-
diff --git a/reports/items-report/ui.xml b/reports/items-report/ui.xml
deleted file mode 100644
index 5eb2f1a9..00000000
--- a/reports/items-report/ui.xml
+++ /dev/null
@@ -1,53 +0,0 @@
-<vn>
-<div id="report" class="items sheet">
-	<h1>
-		<t>Item list</t>
-	</h1>
-	<htk-grid>
-		<db-model
-			property="model"
-			batch="batch"
-			conn="conn">
-			<custom>
-				CALL item_getList(#warehouse, CURDATE(), #realm, #rate)
-			</custom>
-		</db-model>
-		<htk-column-image
-			column="image"
-			directory="catalog"
-			subdir="200x200"/>
-		<htk-column-spin
-			title="_Id"
-			column="id"/>
-		<htk-column-text
-			title="_Item"
-			column="name"/>
-		<htk-column-text
-			title="_Cat"
-			column="category"/>
-		<htk-column-text
-			title="_Siz"
-			column="size"/>
-		<htk-column-text
-			title="_Ste"
-			column="stems"/>
-		<htk-column-spin
-			title="_Pack"
-			column="grouping"/>
-		<htk-column-spin
-			title="_Aval"
-			column="available"/>
-		<htk-column-text
-			title="_Col"
-			column="inkFk"/>
-		<htk-column-text
-			title="_Ori"
-			column="origin"/>
-		<htk-column-text
-			title="_Price"
-			column="price"
-			format="%.2d€"
-			class="price"/>
-	</htk-grid>
-</div>
-</vn>
diff --git a/reports/shelves-report/shelves-report.js b/reports/shelves-report/shelves-report.js
index a4a8bab8..e681ef81 100644
--- a/reports/shelves-report/shelves-report.js
+++ b/reports/shelves-report/shelves-report.js
@@ -7,35 +7,29 @@ Hedera.ShelvesReport = new Class({
 	,trayThickness: 2
 	,trayMargin: 5
 	
-	,open: function(batch) {
-		this.batch = batch;
-		this.title = batch.getValue('reportTitle');
-		this.maxAmount = batch.getValue('maxAmount');
-		this.showPacking = batch.getValue('showPacking');
-		this.stack = batch.getValue('stack');
-		this.useIds = batch.getValue('useIds');
+	,open: function(lot) {
+		this.lot = lot;
 	
 		var query =
 			'SELECT id, name, nTrays, topTrayHeight, trayHeight, width, depth '+
 				'FROM shelf WHERE id = #shelf; '+
 			'CALL item_listAllocation(#warehouse, #date, #family, #namePrefix, #useIds)';
 		
-		this.conn.execQuery(query, this.onQueryExec.bind(this), this.batch);
+		this.conn.execQuery(query, this.onQueryExec.bind(this), lot.$);
 	}
 	
 	,onQueryExec: function(resultSet) {
 		// Fetch query data
 
-		var res = resultSet.fetchResult();
-		res.next();
+		const row = resultSet.fetchObject();
 		
 		// Calculates the scale
 		
 		var maxWidth = 160;
 		var maxHeight = 160;
 		
-		var shelfWidth = res.get('width');
-		var shelfHeight = res.get('trayHeight') * (res.get('nTrays') - 1) + res.get('topTrayHeight');
+		var shelfWidth = row.width;
+		var shelfHeight = row.trayHeight * (row.nTrays - 1) + row.topTrayHeight;
 		
 		var scale = maxWidth / shelfWidth;
 		
@@ -44,46 +38,46 @@ Hedera.ShelvesReport = new Class({
 			
 		// Calculates the shelf dimensions
 		
-		var shelf = this.shelf =
-		{
-			 nTrays: res.get('nTrays')
-			,trayHeight: res.get('trayHeight') * scale
-			,topTrayHeight: res.get('topTrayHeight') * scale
-			,width: res.get('width') * scale
-			,depth: res.get('depth') * scale
+		var shelf = this.shelf = {
+			 nTrays: row.nTrays
+			,trayHeight: row.trayHeight * scale
+			,topTrayHeight: row.topTrayHeight * scale
+			,width: row.width * scale
+			,depth: row.depth * scale
 		};
 
 		// Gets the items
 		
 		var items = this.items = [];
 		var remainings = this.remainings = [];
-		var res = resultSet.fetchResult();
+		var res = resultSet.fetchData();
 		
-		if (res.data.length == 0) {
+		if (res.length == 0) {
 			Htk.Toast.showError(_('No items found, check that all fields are correct'));
 			return;
 		}
 		
 		var boxScale = scale * 10;
 		
-		while (res.next())
-		if (!this.maxAmount || res.get('etiquetas') <= this.maxAmount) {
-			items.push({
-				 id: res.get('Id_Article')
-				,name: res.get('Article')
-				,packing: res.get('packing')
-				,amount: res.get('etiquetas')
-				,boxHeight: res.get('height') * boxScale
-				,boxWidth: res.get('width') * boxScale
-				,boxDepth: res.get('depth') * boxScale
-			});
-		} else {
-			remainings.push({
-				 id: res.get('Id_Article')
-				,name: res.get('Article')
-				,packing: res.get('packing')
-				,amount: res.get('etiquetas')
-			});
+		for (const row of res) {
+			if (!this.maxAmount || row.etiquetas <= this.maxAmount) {
+				items.push({
+					id: row.Id_Article
+					,name: row.Article
+					,packing: row.packing
+					,amount: row.etiquetas
+					,boxHeight: row.height * boxScale
+					,boxWidth: row.width * boxScale
+					,boxDepth: row.depth * boxScale
+				});
+			} else {
+				remainings.push({
+					id: row.Id_Article
+					,name: row.Article
+					,packing: row.packing
+					,amount: row.etiquetas
+				});
+			}
 		}
 
 		// Intializes the allocator
diff --git a/rest/client/supplant.php b/rest/client/supplant.php
index 4b2dbf49..4ef83402 100644
--- a/rest/client/supplant.php
+++ b/rest/client/supplant.php
@@ -18,12 +18,12 @@ class Supplant extends Vn\Web\JsonRequest {
 		if (!$isClient)
 			throw new Web\ForbiddenException(s('The user is not a client'));
 
-		$isWorker = $db->getValue(
-			'SELECT COUNT(*) > 0 FROM vn.worker WHERE id = #',
+		$hasAccount = $db->getValue(
+			'SELECT COUNT(*) > 0 FROM account.account WHERE id = #',
 			[$userId]
 		);
-		if ($isWorker)
-			throw new Web\ForbiddenException(s('Workers cannot be supplanted'));
+		if ($hasAccount)
+			throw new Web\ForbiddenException(s('The user is not impersonable'));
 
 		return $this->service->createToken($_REQUEST['supplantUser']);
 	}
diff --git a/rest/core/query.php b/rest/core/query.php
index a188e300..fb09ab27 100644
--- a/rest/core/query.php
+++ b/rest/core/query.php
@@ -74,7 +74,7 @@ class Query extends Vn\Web\JsonRequest {
 
 	/**
 	 * Transforms the database result into a JSON parseable object.
-	 **/
+	 */
 	function transformResult($result) {
 		$tableMap = [];
 		$columns = $result->fetch_fields();
@@ -132,12 +132,11 @@ class Query extends Vn\Web\JsonRequest {
 				$tableIndex = $tableMap[$column->table];
 		
 			if ($column->flags & MYSQLI_PRI_KEY_FLAG)
-				$resultMap['tables'][$tableIndex]['pks'][] = $i;
+				$resultMap['tables'][$tableIndex]['pks'][] = $column->name;
 		
 			$default = $this->castValue($column->def, $type);
 
-			$resultMap['columns'][] =
-			[
+			$resultMap['columns'][] = [
 				'type'     => $type,
 				'flags'    => $column->flags,
 				'def'      => $default,
@@ -161,7 +160,7 @@ class Query extends Vn\Web\JsonRequest {
 
 	/**
 	 * Transforms the database value into a JSON parseable value.
-	 **/
+	 */
 	function castValue($value, $type) {
 		if ($value === '' && $type != Type::STRING)
 			$value = NULL;
diff --git a/rest/edi/sql/bucket.sql b/rest/edi/sql/bucket.sql
deleted file mode 100644
index 9b2d2dfa..00000000
--- a/rest/edi/sql/bucket.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE bucket
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7, @col8, @col9, @col10, @col11, @col12)
-	SET
-		bucket_id = @col2,
-		bucket_type_id = @col4,
-		description = @col5,
-		x_size = @col6,
-		y_size = @col7,
-		z_size = @col8,
-		entry_date = STR_TO_DATE(@col10, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col11, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col12, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/bucket_type.sql b/rest/edi/sql/bucket_type.sql
deleted file mode 100644
index 11bcc7f0..00000000
--- a/rest/edi/sql/bucket_type.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE bucket_type
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6)
-	SET
-		bucket_type_id = @col2,
-		description = @col3,
-		entry_date = STR_TO_DATE(@col4, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col5, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col6, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/feature.sql b/rest/edi/sql/feature.sql
deleted file mode 100644
index a5d2833c..00000000
--- a/rest/edi/sql/feature.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE `feature`
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7)
-	SET 
-		item_id = @col2,
-		feature_type_id =  @col3,
-		feature_value = @col4,
-		entry_date = STR_TO_DATE(@col5, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col6, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col7, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/genus.sql b/rest/edi/sql/genus.sql
deleted file mode 100644
index 0e60fd79..00000000
--- a/rest/edi/sql/genus.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE genus
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6)
-	SET
-		genus_id = @col2,
-		latin_genus_name = @col3,
-		entry_date = STR_TO_DATE(@col4, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col5, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col6, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/item.sql b/rest/edi/sql/item.sql
deleted file mode 100644
index 1c348439..00000000
--- a/rest/edi/sql/item.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE item
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7, @col8, @col9, @col10, @col11, @col12)
-	SET
-		id = @col2,
-		product_name = @col4,
-		name = @col5,
-		plant_id = @col7,
-		group_id = @col9,
-		entry_date = STR_TO_DATE(@col10, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col11, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col12, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/item_feature.sql b/rest/edi/sql/item_feature.sql
deleted file mode 100644
index 81ddbc73..00000000
--- a/rest/edi/sql/item_feature.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE `item_feature`
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7, @col8)
-	SET 
-		item_id = @col2,
-		feature =  @col3,
-		regulation_type = @col4,
-		presentation_order = @col5,
-		entry_date = STR_TO_DATE(@col6, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col7, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col8, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/item_group.sql b/rest/edi/sql/item_group.sql
deleted file mode 100644
index cbdc1328..00000000
--- a/rest/edi/sql/item_group.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE item_group
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6)
-	SET 
-		group_code = @col2,
-		dutch_group_description = @col3,
-		entry_date = STR_TO_DATE(@col4, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col5, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col6, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/plant.sql b/rest/edi/sql/plant.sql
deleted file mode 100644
index ba969afa..00000000
--- a/rest/edi/sql/plant.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE plant
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7, @col8, @col9)
-	SET
-		plant_id = @col3,
-		genus_id = @col4,
-		specie_id = @col5,
-		entry_date = STR_TO_DATE(@col7, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col8, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col9, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/specie.sql b/rest/edi/sql/specie.sql
deleted file mode 100644
index 883d97b7..00000000
--- a/rest/edi/sql/specie.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE specie
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7)
-	SET
-		specie_id = @col2,
-		genus_id = @col3,
-		latin_species_name = @col4,
-		entry_date = STR_TO_DATE(@col5, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col6, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col7, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/supplier.sql b/rest/edi/sql/supplier.sql
deleted file mode 100644
index 636d0a0b..00000000
--- a/rest/edi/sql/supplier.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE supplier
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7, @col8, @col9, @col10, @col11, @col12, @col13, @col14, @col15, @col16, @col17, @col18, @col19, @col20)
-	SET
-		GLNAddressCode = @col2,
-		supplier_id = @col4,
-		company_name = @col3,
-		entry_date = STR_TO_DATE(@col9, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col10, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col11, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/type.sql b/rest/edi/sql/type.sql
deleted file mode 100644
index 77c0883d..00000000
--- a/rest/edi/sql/type.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE `type`
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7)
-	SET 
-		type_id = @col2,
-		type_group_id = @col3,
-		description = @col4,
-		entry_date = STR_TO_DATE(@col5, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col6, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col7, '%Y%m%d%H%i')
diff --git a/rest/edi/sql/value.sql b/rest/edi/sql/value.sql
deleted file mode 100644
index 288b8c10..00000000
--- a/rest/edi/sql/value.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-LOAD DATA LOCAL INFILE #file
-	INTO TABLE `value`
-	FIELDS TERMINATED BY ';'
-	LINES TERMINATED BY '\n' (@col1, @col2, @col3, @col4, @col5, @col6, @col7)
-	SET 
-		type_id = @col2,
-		type_value =  @col3,
-		type_description = @col4,
-		entry_date = STR_TO_DATE(@col5, '%Y%m%d'),
-		expiry_date = IFNULL(NULL,STR_TO_DATE(@col6, '%Y%m%d')),
-		change_date_time = STR_TO_DATE(@col7, '%Y%m%d%H%i')
diff --git a/rest/edi/update.php b/rest/edi/update.php
deleted file mode 100644
index 87ca6d21..00000000
--- a/rest/edi/update.php
+++ /dev/null
@@ -1,113 +0,0 @@
-<?php
-
-class Update extends Vn\Lib\Method {
-	function run($db) {
-		$db->selectDb('edi');
-		$db->getHandler()->options(MYSQLI_OPT_LOCAL_INFILE, TRUE);
-
-		$tmpDir = '/tmp/floricode';
-
-		// Establish the FTP connection
-
-		$ftpConf = $db->getRow('SELECT host, user, password FROM ftpConfig');
-
-		echo "Openning FTP connection to {$ftpConf['host']}\n";
-		$ftpConn = ftp_connect($ftpConf['host']);
-
-		if (!$ftpConn)
-			throw new Exception('Can not connect to '. $ftpConf['host']);
-
-		if (!ftp_login($ftpConn, $ftpConf['user'], $ftpConf['password']))
-			throw new Exception('Can not login to '. $ftpConf['user'] .'@'. $ftpConf['host']);
-		ftp_pasv($ftpConn, true);
-
-		// Gets the list with the tables to update
-
-		set_time_limit(0);
-
-		$res = $db->query(
-			'SELECT fileName, toTable, file, updated FROM fileConfig');
-
-		$dwFiles = [];
-
-		if (!file_exists($tmpDir))
-			mkdir($tmpDir);
-
-		while ($row = $res->fetch_assoc())
-		try {
-			$file = $row['file'];
-			$table = $row['toTable'];
-			$baseName = $row['fileName'];
-			
-			if ($row['updated']) {
-				$updated = DateTime::createFromFormat('Y-m-d', $row['updated']);
-				$updated->setTime(0, 0, 0);
-			} else
-				$updated = NULL;
-
-			$remoteFile = "codes/$file.ZIP";
-			$zipFile = "$tmpDir/$file.zip";
-			$ucDir = "$tmpDir/$file";
-
-			// Downloads and decompress the file with the data
-			
-			if (!isset($dwFiles[$file])) {
-				$dwFiles[$file] = TRUE;
-			
-				echo "Downloading $remoteFile\n";
-				if (!ftp_get($ftpConn, $zipFile, $remoteFile, FTP_BINARY))
-					throw new Exception("Error downloading $remoteFile to $zipFile");
-
-				$zip = new ZipArchive;
-
-				if ($zip->open($zipFile) !== TRUE)
-					throw new Exception("Can not open $zipFile");
-
-				@mkdir($ucDir, 0774, TRUE);
-
-				if (!$zip->extractTo($ucDir))
-					throw new Exception("Can not uncompress file $zipFile");
-
-				$zip->close();
-				unlink($zipFile);
-			}
-
-			foreach (glob("$ucDir/$baseName*.txt") as $fileName)
-				break;
-
-			if (empty($fileName))
-				throw new Exception("Import file for table $table does not exist");
-
-			// If data is updated, omits the table
-
-			$lastUpdated = substr($fileName, -10, 6);
-			$lastUpdated = DateTime::createFromFormat('dmy', $lastUpdated);
-			$lastUpdated->setTime(0, 0, 0);
-
-			if (isset($updated) && $lastUpdated <= $updated) {
-				echo "Table $table is updated, omitted\n";
-				continue;
-			}
-
-			// Updates the table
-			
-			echo "Dumping data to table $table\n";
-
-			$db->query("START TRANSACTION");
-			$db->query("DELETE FROM {$db->quote($table)}");
-			$db->queryFromFile(__DIR__."/sql/$table", ['file' => $fileName]);
-			$db->query("UPDATE fileConfig SET updated = # WHERE fileName = #",
-				[$lastUpdated, $baseName]
-			);
-			$db->query("COMMIT");
-		} catch (Exception $e) {
-			error_log($e->getMessage());
-			$db->query('ROLLBACK');
-		}
-		
-		shell_exec("rm -R $tmpDir");
-		ftp_close($ftpConn);
-
-		echo "Update completed\n";
-	}
-}
diff --git a/rest/image/image.php b/rest/image/image.php
index 1e5b3112..0c104851 100644
--- a/rest/image/image.php
+++ b/rest/image/image.php
@@ -7,7 +7,7 @@ class Image {
 	 * Creates an image resource from a valid image file.
 	 *
 	 * @param string $srcFile The source file name
-	 **/
+	 */
 	static function create($srcFile) {
 		$imageType = exif_imagetype($srcFile);
 
@@ -20,7 +20,13 @@ class Image {
 				$image = imagecreatefrompng($srcFile);
 				break;
 			case IMAGETYPE_GIF:
-				$image = imagecreatefromgif ($srcFile);
+				$image = imagecreatefromgif($srcFile);
+				break;
+			case IMAGETYPE_WEBP:
+				$image = imagecreatefromwebp($srcFile);
+				break;
+			case IMAGETYPE_BMP:
+				$image = imagecreatefrombmp($srcFile);
 				break;
 			default:
 				throw new UserException(s('Bad file format'));
@@ -39,7 +45,7 @@ class Image {
 	 * @param integer $maxWidth The maximum width of resized image in pixels
 	 * @param boolean $crop Wether to crop the image
 	 * @param boolean $symbolicSrc If it is not necessary to resize the image creates a symbolic link using the passed path as source
-	 **/
+	 */
 	static function resizeSave($image, $dstFile, $maxHeight, $maxWidth, $crop = FALSE, $symbolicSrc = NULL) {
 		$width = imagesx($image);
 		$height = imagesy($image);
diff --git a/rest/core/IndieFlower.ttf b/rest/misc/IndieFlower.ttf
similarity index 100%
rename from rest/core/IndieFlower.ttf
rename to rest/misc/IndieFlower.ttf
diff --git a/rest/misc/access-version.php b/rest/misc/access-version.php
deleted file mode 100644
index 63f74a8d..00000000
--- a/rest/misc/access-version.php
+++ /dev/null
@@ -1,74 +0,0 @@
-<?php
-
-use Vn\Lib;
-use Vn\Lib\UserException;
-
-/**
- * Uploads a access module.
- */
-class AccessVersion extends Vn\Web\JsonRequest {
-	const PARAMS = [
-		 'appName'
-		,'newVersion'
-	];
-
-	function run($db) {		
-		// Checks for file errors.
-
-		$moduleFile = $_FILES['moduleFile'];
-		
-		if (empty($moduleFile['name']))
-			throw new UserException(s('File not choosed'));
-
-		if ($moduleFile['error'] != 0) {
-			switch ($_FILES['image']['error']) {
-		        case UPLOAD_ERR_INI_SIZE:
-		            $message = 'ErrIniSize';
-		            break;
-		        case UPLOAD_ERR_FORM_SIZE:
-		            $message = 'ErrFormSize';
-		            break;
-		        case UPLOAD_ERR_PARTIAL:
-		            $message = 'ErrPartial';
-		            break;
-		        case UPLOAD_ERR_NO_FILE:
-		            $message = 'ErrNoFile';
-		            break;
-		        case UPLOAD_ERR_NO_TMP_DIR:
-		            $message = 'ErrNoTmpDir';
-		            break;
-		        case UPLOAD_ERR_CANT_WRITE:
-		            $message = 'ErrCantWrite';
-		            break;
-		        case UPLOAD_ERR_EXTENSION:
-		            $message = 'ErrExtension';
-		            break;
-		        default:
-		            $message = 'ErrDefault';
-		            break;
-		    }
-
-			throw new Lib\Exception(s($message));
-		}
-
-		// Defining parameters
-
-		$appName = $_REQUEST['appName'];
-		$newVersion = $_REQUEST['newVersion'];
-
-		$accessDir = _DATA_DIR .'/'. $this->app->getName() .'/vn-access';
-		$headFile = "$accessDir/$appName.7z";
-		$archiveRelPath = ".archive/$appName/$newVersion.7z";
-		$archiveFullPath = "$accessDir/$archiveRelPath";
-
-		// Updates the application
-
-		rename($moduleFile['tmp_name'], $archiveFullPath);
-		chmod($archiveFullPath, 0644);
-
-		@unlink($headFile);
-		symlink($archiveRelPath, $headFile);
-
-		return TRUE;
-	}
-}
diff --git a/rest/core/captcha.php b/rest/misc/captcha.php
similarity index 100%
rename from rest/core/captcha.php
rename to rest/misc/captcha.php
diff --git a/rest/tpv/confirm-mail.php b/rest/tpv/confirm-mail.php
index 29fcbf68..719bfed1 100644
--- a/rest/tpv/confirm-mail.php
+++ b/rest/tpv/confirm-mail.php
@@ -4,7 +4,7 @@ require_once(__DIR__.'/tpv.php');
 
 /**
  * Gets transaction confirmations from the IMAP mailbox.
- **/
+ */
 class ConfirmMail extends Vn\Lib\Method {
 	function run($db) {
 		$imap = NULL;
diff --git a/rest/tpv/confirm-post.php b/rest/tpv/confirm-post.php
index 9aef1112..20d3cb79 100644
--- a/rest/tpv/confirm-post.php
+++ b/rest/tpv/confirm-post.php
@@ -4,7 +4,7 @@ require_once(__DIR__.'/tpv.php');
 
 /**
  * Gets transaction confirmation from HTTP POST.
- **/
+ */
 class ConfirmPost extends Vn\Web\RestRequest {
 	function run($db) {
 		Tpv::confirm($db, $_POST);
diff --git a/rest/tpv/confirm-soap.php b/rest/tpv/confirm-soap.php
index 07e44d2b..0af1cd8e 100644
--- a/rest/tpv/confirm-soap.php
+++ b/rest/tpv/confirm-soap.php
@@ -5,7 +5,7 @@ require_once(__DIR__.'/tpv.php');
 
 /**
  * Gets transaction confirmation from SOAP service.
- **/
+ */
 class ConfirmSoap extends Vn\Web\RestRequest {
 	function run($db) {
 		global $tpvConfirmSoap;
diff --git a/rest/tpv/tpv.php b/rest/tpv/tpv.php
index 652de159..3ae34f04 100644
--- a/rest/tpv/tpv.php
+++ b/rest/tpv/tpv.php
@@ -3,7 +3,7 @@
 class Tpv {
 	/**
 	 * Tryes to confirm a transaction with the given params.
-	 **/
+	 */
 	static function confirm($db, $params) {
 		if (!(isset($params['Ds_Amount'])
 		&& isset($params['Ds_Order'])
diff --git a/rest/core/account.php b/rest/user/account.php
similarity index 100%
rename from rest/core/account.php
rename to rest/user/account.php
diff --git a/rest/core/recover-password.php b/rest/user/recover-password.php
similarity index 100%
rename from rest/core/recover-password.php
rename to rest/user/recover-password.php
diff --git a/rest/core/restore-password.php b/rest/user/restore-password.php
similarity index 98%
rename from rest/core/restore-password.php
rename to rest/user/restore-password.php
index 7dec59df..4b87672f 100644
--- a/rest/core/restore-password.php
+++ b/rest/user/restore-password.php
@@ -4,7 +4,7 @@ include __DIR__.'/account.php';
 
 /**
  * Restores the user password.
- **/
+ */
 class RestorePassword extends Vn\Web\JsonRequest {
 	const PARAMS = ['verificationToken', 'newPassword'];
 
diff --git a/rest/core/supplant.php b/rest/user/supplant.php
similarity index 100%
rename from rest/core/supplant.php
rename to rest/user/supplant.php
diff --git a/web/app.php b/web/app.php
index c47d31b2..4f1e5636 100644
--- a/web/app.php
+++ b/web/app.php
@@ -7,7 +7,7 @@ namespace Vn\Web;
  *
  * Format for $_REQUEST['srv'] variable:
  *  - [serviceName]:[requestDir]/[requestFile]
- **/
+ */
 class App extends \Vn\Lib\App {
 	protected $conn = NULL;
 	private $allowedServices =
@@ -48,7 +48,7 @@ class App extends \Vn\Lib\App {
 	 * or the default config file if isn't defined a file for the vhost.
 	 *
 	 * @return string The config file name
-	 **/
+	 */
 	function getConfigFile() {
 		if (!empty($_SERVER['SERVER_NAME'])
 		&& preg_match('/^[\w\-\.]+$/', $_SERVER['SERVER_NAME'])) {
diff --git a/web/html-service.php b/web/html-service.php
index 5eb3cc6e..cef4c6ec 100644
--- a/web/html-service.php
+++ b/web/html-service.php
@@ -66,7 +66,7 @@ class HtmlService extends Service {
 
 		// Setting the version
 
-		setcookie('vnVersion', $this->getVersion());
+		setcookie('vnVersion', $this->getVersion(), ['samesite' => 'Lax']);
 
 		// Loading the requested page
 
diff --git a/web/html.php b/web/html.php
index 1f72e134..a92c9072 100644
--- a/web/html.php
+++ b/web/html.php
@@ -30,15 +30,25 @@ function getWebpackAssets() {
 	if (_DEV_MODE) {
 		$devServerPort = $wpConfig->devServerPort;
 		$host = $_SERVER['SERVER_NAME'];
-		$serverPath = "http://$host:$devServerPort/";
+		$serverPath = "http://$host:$devServerPort";
 	}
 
 	$wpAssets = json_decode(file_get_contents("$buildDir/webpack-assets.json"));
 	$jsFiles = [];
 
 	foreach ($wpAssets as $name => $asset)
-		if (!empty($name) && $name != '_empty_' && property_exists($asset, 'js'))
+		if (!empty($name)
+		&& $name != '_empty_'
+		&& $name != 'main'
+		&& property_exists($asset, 'js'))
 			$jsFiles[] = $serverPath . $asset->js;
 
+	if (isset($wpAssets->_empty_))
+		$jsFiles[] = $serverPath . $wpAssets->_empty_->js[0];
+	if (isset($wpAssets->{''}))
+		$jsFiles[] = $serverPath . $wpAssets->{''}->js[0];
+
+	$jsFiles[] = $serverPath . $wpAssets->main->js;
+
 	return $jsFiles;
 }
diff --git a/web/json-exception.php b/web/json-exception.php
index d71e16f6..7b22549b 100644
--- a/web/json-exception.php
+++ b/web/json-exception.php
@@ -8,7 +8,7 @@ namespace Vn\Web;
  * @property string $exception The exception name
  * @property string $message The message string
  * @property string $code The code of message
- **/
+ */
 class JsonException {
 	var $exception = NULL;
 	var $message;
diff --git a/web/json-reply.php b/web/json-reply.php
index a3f7a4fa..07b24579 100644
--- a/web/json-reply.php
+++ b/web/json-reply.php
@@ -7,7 +7,7 @@ namespace Vn\Web;
  *
  * @property Object $data The returned data
  * @property array $warnings Array with warning messages
- **/
+ */
 class JsonReply {
 	var $data = NULL;
 	var $warnings = NULL;
diff --git a/web/json-request.php b/web/json-request.php
index 58c5bdf5..f8535fa8 100644
--- a/web/json-request.php
+++ b/web/json-request.php
@@ -4,6 +4,6 @@ namespace Vn\Web;
 
 /**
  * Base class for JSON services.
- **/
+ */
 abstract class JsonRequest extends RestRequest {}
 
diff --git a/web/json-service.php b/web/json-service.php
index 497d033e..07cad21a 100644
--- a/web/json-service.php
+++ b/web/json-service.php
@@ -3,6 +3,7 @@
 namespace Vn\Web;
 
 use Vn\Lib;
+use Vn\Lib\Locale;
 
 /**
  * Base class for JSON application.
diff --git a/web/jwt.php b/web/jwt.php
index 121ac22a..5aec98e5 100644
--- a/web/jwt.php
+++ b/web/jwt.php
@@ -7,7 +7,7 @@ use Exception;
 /**
  * Basic class to encode, decode and verify JWT tokens. It implements the HS256
  * algorithm from the RFC 7519 standard.
- **/
+ */
 class Jwt {
 	/**
 	 * Creates a new JWT token with the passed $payload and $key.
@@ -15,7 +15,7 @@ class Jwt {
 	 * @param {Array} $payload The data to encode
 	 * @param {string} $key The key used to sign the token
 	 * @return {string} The new JWT token
-	 **/
+	 */
 	static function encode($payload, $key) {
 		$header = [
 			'alg' => 'HS256',
@@ -35,7 +35,7 @@ class Jwt {
 	 * @param {Array} $token The JWT token
 	 * @param {string} $key The key used to validate the token
 	 * @return {string} The JWT validated and decoded data
-	 **/
+	 */
 	static function decode($token, $key) {
 		$parts = explode('.', $token);
 		
diff --git a/web/rest-request.php b/web/rest-request.php
index 78f6796a..55fa0878 100644
--- a/web/rest-request.php
+++ b/web/rest-request.php
@@ -9,7 +9,7 @@ class Security {
 
 /**
  * Base class for REST services.
- **/
+ */
 abstract class RestRequest extends \Vn\Lib\Method {
 	const PARAMS = NULL;
 	const SECURITY = Security::DEFINER;
diff --git a/web/service.php b/web/service.php
index 5ed93443..b0a45be5 100644
--- a/web/service.php
+++ b/web/service.php
@@ -124,7 +124,10 @@ abstract class Service {
 		);
 
 		if (isset($row['access'])) {
-			setcookie('vnVisit', $row['visit'], time() + 31536000); // 1 Year
+			setcookie('vnVisit', $row['visit'], [
+				'expires' => time() + 31536000, // 1 Year
+				'samesite' => 'Lax'
+			]);
 			$_SESSION['access'] = $row['access'];
 		} else
 			$_SESSION['skipVisit'] = TRUE;
diff --git a/webpack.config.js b/webpack.config.js
index 547379d5..84eba3a8 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,15 +1,15 @@
-var path = require('path');
-var webpack = require('webpack');
-var AssetsWebpackPlugin = require('assets-webpack-plugin');
-var merge = require('webpack-merge');
-var wpConfig = require('./webpack.config.json');
+const path = require('path');
+const webpack = require('webpack');
+const AssetsWebpackPlugin = require('assets-webpack-plugin');
+const merge = require('webpack-merge').merge;
+const wpConfig = require('./webpack.config.json');
 
 let env = process.env.NODE_ENV || 'development';
-var devMode = env === 'development';
-var outputPath = path.join(__dirname, wpConfig.buildDir);
-var publicPath = wpConfig.buildDir +'/';
+const devMode = env === 'development';
+const outputPath = path.join(__dirname, wpConfig.buildDir);
+const publicPath = '/' + wpConfig.buildDir + '/';
 
-var baseConfig = {
+const baseConfig = {
 	entry: wpConfig.entry,
 	mode: devMode ? 'development' : 'production',
 	output: {
@@ -18,10 +18,31 @@ var baseConfig = {
 	},
 	module: {
 		rules: [
-			{ test: /\.css$/, loader: 'style-loader!css-loader' },
-			{ test: /\.yml$/, loader: 'json-loader!yaml-loader' },
-			{ test: /\.xml$/, loader: 'raw-loader' },
-			{ test: /\.ttf$/, loader: 'file-loader' }
+			{
+				test: /\.css$/,
+				use: ['style-loader', 'css-loader'],
+			}, {
+				test: /\.yml$/,
+				use: ['json-loader', 'yaml-loader']
+			}, {
+				test: /\.xml$/,
+				use: 'raw-loader'
+			}, {
+				test: /\.ttf$/,
+				type: 'asset/resource'
+			}, {
+				test: /\.scss$/,
+				use: [
+					'style-loader',
+					'css-loader',
+					{
+						loader: 'sass-loader',
+						options: {
+							sourceMap: true
+						}
+					}
+				]
+			}
 		]
 	},
 	resolve: {
@@ -56,30 +77,31 @@ var baseConfig = {
 	}
 };
 
-var prodConfig = {
+const prodConfig = {
 	output: {
 		filename: '[name].[chunkhash].js',
 		chunkFilename: 'chunk.[id].[chunkhash].js'
 	},
-	plugins: [
-		new webpack.HashedModuleIdsPlugin()
-	],
+	optimization: {
+		moduleIds: 'deterministic'
+	},
 	devtool: 'source-map'
 };
 
-var devConfig = {
+const devConfig = {
 	output: {
 		filename: '[name].js',
 		chunkFilename: 'chunk.[id].js'
 	},
-	plugins: [
-		new webpack.NamedModulesPlugin()
-	],
+	optimization: {
+		moduleIds: 'named'
+	},
 	devServer: {
 		host: '0.0.0.0',
+		static: __dirname,
 		port: wpConfig.devServerPort,
 		headers: {'Access-Control-Allow-Origin': '*'},
-		stats: { chunks: false },
+		//stats: { chunks: false },
 		proxy: {
 			'/api': 'http://localhost:3000',
 			'/': {
@@ -91,5 +113,5 @@ var devConfig = {
 	devtool: 'eval'
 };
 
-var mrgConfig = devMode ? devConfig : prodConfig;
+const mrgConfig = devMode ? devConfig : prodConfig;
 module.exports = merge(baseConfig, mrgConfig);
diff --git a/webpack.config.json b/webpack.config.json
index 165f3eb4..9822dd4d 100644
--- a/webpack.config.json
+++ b/webpack.config.json
@@ -1,5 +1,5 @@
 {
 	"buildDir": "build",
-	"devServerPort": 9000,
-	"entry": {"main": "./app.js"}
+	"devServerPort": 9090,
+	"entry": "./app.js"
 }
\ No newline at end of file