     override protected function partAdded(partName:String, instance:Object):void
     {
         super.partAdded(partName, instance);
+
         if (instance == dataGroup)
         {
             dataGroup.addEventListener(

            dataGroup.addEventListener(
                RendererExistenceEvent.RENDERER_REMOVE, dataGroup_rendererRemoveHandler);
        }
        if (instance == scroller)
            scroller.hasFocusableChildren = hasFocusableChildren;
    }

    /**

            dataGroup.removeEventListener(
                RendererExistenceEvent.RENDERER_REMOVE, dataGroup_rendererRemoveHandler);
        }

        super.partRemoved(partName, instance);
    }
    
