             llv.defaultMajorSize = typicalHeight;        
         }
         if (layoutTarget)
-            llv.length = layoutTarget.numElements;        
+            llv.length = layoutTarget.numElements;       
      }
 
     /**

     */
     private function updateLLV(layoutTarget:GroupBase):void
     {
        var typicalElt:ILayoutElement = typicalLayoutElement;
        if (typicalElt)
        {

        var maxVisibleY:Number = minVisibleY + layoutTarget.height;
       
        updateLLV(layoutTarget);
        var startIndex:int = llv.indexOf(minVisibleY); 
            
        var fixedRowHeight:Number = NaN;
        if (!variableRowHeight)
