      *  <code>scaleY</code> property of the component.
      * 
      *  @langversion 3.0
-     *  @playerversion Flash 10.1
      *  @playerversion AIR 2.5
      *  @productversion Flex 4.5
      */

        // figure out backgroundColor
        var backgroundColor:*;
        var downColor:* = getStyle("downColor");
		var drawBackground:Boolean = true;
        
        if (down && downColor !== undefined)
        {
            backgroundColor = downColor;
        }
		else if (selected)
        {
            backgroundColor = getStyle("selectionColor");
        }

     */    
    public function set itemIndex(value:int):void
    {
        var wasLastItem:Boolean = isLastItem;       
        var dataGroup:DataGroup = parent as DataGroup;
        isLastItem = (dataGroup && (value == dataGroup.numElements - 1));
        
        // if whether or not we are the last item in the last has changed then
        // invalidate our display. note:  even if our new index has not changed,
        // whether or not we're the last item may have so we perform this check 
        // before the value == _itemIndex check below
        if (wasLastItem != isLastItem) 
            invalidateDisplayList();

        if (value == _itemIndex)
            return;
