      *
      *  @return The item renderer that is displaying the item, or 
      *  <code>null</code> if the item is not currently displayed.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */
     public function indexToItemRenderer(index:int):IListItemRenderer
     {

     *  a <code>MouseEvent.MOUSE_UP</code> event.
     *
     *  @param event The MouseEvent object.
     */
    protected function mouseDownHandler(event:MouseEvent):void
    {

     *  the <code>showDropFeedback()</code> method to set up the UI feedback.
     *
     *  @param event The DragEvent object.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    protected function dragEnterHandler(event:DragEvent):void
    {
