             yMinorDelta = 0;
         }
 
-        for(var index:int = visibleStartIndex; index <= visibleEndIndex; index++)
+        for (var index:int = visibleStartIndex; index <= visibleEndIndex; index++)
         {
             var el:ILayoutElement = null; 
             if (useVirtualLayout)

        // be added to DataGroup::freeRenderers
        
        var layoutTarget:GroupBase = target;
        for(var i:int = oldVisibleStartIndex; i <= oldVisibleEndIndex; i++)
        {
            if ((i >= visibleStartIndex) && (i <= visibleEndIndex)) // skip past the visible range
            {

        // update _tileWidth,HeightCached based on visible elements    
        if ((visibleStartIndex != -1) && (visibleEndIndex != -1))
        {
            for (var index:int = visibleStartIndex; index <= visibleEndIndex; index++)
                updateVirtualTileSize(target.getVirtualElementAt(index));
        }
        
