 
         var i0:int;
         var i1:int;
-        if (virtualLayout)
+        if (useVirtualLayout)
         {
             i0 = llv.indexOf(y0);
             i1 = llv.indexOf(y1);

    /**
     *  @private
     *  Syncs the LinearLayoutVector llv with typicalLayoutElement and
     *  the target's numLayoutElements.  Calling this function accounts
     *  for the possibility that the typicalLayoutElement has changed, or
     *  something that its preferred size depends on has changed.
     */

            var index1:int = findLayoutElementIndex(g, n, -1);
            if (index1 != -1)
            {
                var element1:ILayoutElement = g.getElementAt(index1); 
                var element1Y:Number = element1.getLayoutBoundsY();
                var element1Height:Number = element1.getLayoutBoundsHeight();                 
                if ((element1Y < y1) && ((element1Y + element1Height) > y0))
