diff --git a/src/main.js b/src/main.js
index 33e2e52..7552946 100755
--- a/src/main.js
+++ b/src/main.js
@@ -1,13 +1,33 @@
 
 var Conf =
 {
-	appName: 'Verdnatura',
-	dsName: 'verdnatura',
-	dsPath: 'HKCU\\Software\\ODBC\\ODBC.INI\\verdnatura',
-	regPath: 'HKCU\\Software\\Verdnatura\\vn-access',
-	remoteUrl: 'https://www.verdnatura.es/vn-access',
-	dbHost: 'db.verdnatura.es',
-	defaultModule: 'tpv'
+	 appName: 'Verdnatura'
+	,dsName: 'verdnatura'
+	,dsPath: 'HKCU\\Software\\ODBC\\ODBC.INI\\verdnatura'
+	,regPath: 'HKCU\\Software\\Verdnatura\\vn-access'
+	,remoteUrl: 'https://verdnatura.es/vn-access'
+	,dbHost: 'db.verdnatura.es'
+	,defaultModule: 'tpv'
+	,defaultLocale: 'es'
+};
+
+var Locale ={
+	es: {
+		"Enter a user name":
+		   "Introduce un nombre de usuario"
+	   ,"Enter a password":
+		   "Introduce una contraseña"
+	   ,"Server can't be reached":
+		   "No se ha podido conectar con el servidor"
+	   ,"Updating":
+		   "Actualizando"
+	   ,"Bad login":
+		   "Usuario o contraseña incorrectos"
+	   ,"Loading":
+		   "Cargando"
+	   ,"Error while updating":
+		   "Error al actualizar"
+   }
 };
 
 var App =
@@ -191,7 +211,7 @@ var App =
 	
 	_onEnterClick: function ()
 	{
-		this._disableUi (true, 'Cargando');
+		this._disableUi (true, _('Loading'));
 		setTimeout (function () {App.login();}, 0);
 	},
 
@@ -202,9 +222,9 @@ var App =
 		
 		try {
 			if (!user || user === '')
-				throw new Error ('Introduce un nombre de usuario');
+				throw new Error (_('Enter a user name'));
 			if (!password || password === '')
-				throw new Error ('Introduce una contraseña');
+				throw new Error (_('Enter a password'));
 		
 			this.regWrite (Conf.dsPath, 'UID', user, 'REG_SZ');
 			this.regWrite (Conf.dsPath, 'PWD', password, 'REG_SZ');
@@ -225,17 +245,14 @@ var App =
 				{
 					var errorMsg;
 					var dbError = dbErrors.item(0);
-					alert (dbError.description	);	
 
 					switch (dbError.NativeError)
 					{
 						case 1045: // Access denied
-							errorMsg = 'Usuario o contraseña incorrectos';
+							errorMsg = _('Bad login');
 							break;
 						case 2003: // Can't connect
-							errorMsg = 'No se ha podido conectar con el '
-								+'servidor, comprueba que tienes conexión a '
-								+'Internet y que el servidor está accesible';
+							errorMsg = _('Server can\'t be reached');
 							break;
 						default:
 							errorMsg = dbError.description;
@@ -277,7 +294,7 @@ var App =
 
 			if (localVersion < lastVersion)
 			{
-				this._disableUi (true, 'Actualizando');
+				this._disableUi (true, _('Updating'));
 				var request = new ActiveXObject ('MSXML2.XMLHTTP');
 				request.open ('GET', this.remoteFile +'?'+ new Date().getTime(), true);
 				request.onreadystatechange = function () {
@@ -325,7 +342,7 @@ var App =
 		}
 		catch (e)
 		{
-			alert ('Error al actualizar: '+ e.message);
+			alert (_('Error while updating') +': '+ e.message);
 		}
 
 		this._disableUi (false);
@@ -338,9 +355,7 @@ var App =
 	{
 		var remember = this.$('remember').checked ? 1 : 0;
 		this.regWrite (Conf.regPath, 'remember', remember, 'REG_DWORD');
-		
-		this.shell.exec ('"%ProgramFiles%\\Microsoft Office\\OFFICE11\\MSACCESS.EXE" "'+
-			this.mdbFile +'" /cmd "'+ this.$('user').value +'"');
+		this.shell.run (this.mdbFile, 0, false);
 		window.close ();
 	},
 	
@@ -418,3 +433,9 @@ var App =
 };
 
 App.init ();
+
+function _(string)
+{
+	var translation = Locale[Conf.defaultLocale][string];
+	return translation ? translation : string;
+}