 
     /**
      *  Constructor. 
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */    
     public function FxVScrollBar()
     {

     *  @param localY The Y position relative to the scrollbar control.
     *
     *  @return The position of the thumb button.
     */
    override protected function pointToPosition(localX:Number, 
                                                localY:Number):Number


    /**
     *  The size of the track, which equals the height of the track.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    override protected function get trackSize():Number
    {
