diff --git a/debian/changelog b/debian/changelog
index a5985820..c6baf873 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-hedera-web (1.340-deb8) stable; urgency=low
+hedera-web (1.342-deb8) stable; urgency=low
 
   * Initial Release.
 
diff --git a/web/js/db/calc-sum.js b/web/js/db/calc-sum.js
index 74bbebad..e8cd677e 100644
--- a/web/js/db/calc-sum.js
+++ b/web/js/db/calc-sum.js
@@ -26,10 +26,7 @@ Db.CalcSum = new Class
 		var value = this.getRowValue (row)
 	
 		if (value !== null)
-		{
-			this.sum -= value;
-			this.numbersCount--;
-		}
+			this._sum -= value;
 	}
 
 	,after: function (row)
@@ -37,23 +34,16 @@ Db.CalcSum = new Class
 		var value = this.getRowValue (row);
 
 		if (value !== null)
-		{
-			this.sum += value;
-			this.numbersCount++;
-		}
+			this._sum += value;
 	}
 
 	,init: function ()
 	{
-		this.sum = 0;
-		this.numbersCount = 0;
+		this._sum = 0;
 	}
 
 	,done: function ()
 	{
-		if (this.numbersCount > 0)
-			this.value = this.sum;
-		else
-			this.value = null;
+		this.value = this._sum;
 	}
 });
diff --git a/web/js/htk/widget.js b/web/js/htk/widget.js
index a94072a5..11b62b52 100644
--- a/web/js/htk/widget.js
+++ b/web/js/htk/widget.js
@@ -50,9 +50,9 @@ Htk.Widget = new Class
 		return this.node;
 	}
 	
-	,_createNode () {}
+	,_createNode: function () {}
 
-	,_refreshClass ()
+	,_refreshClass: function ()
 	{
 		if (this.node && this._cssClass)
 			this.node.className = this._cssClass +' '+ this.node.className;