      *  track.
      *
      *  @return The posisiton on the track.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     protected function pointToPosition(localX:Number, localY:Number):Number
     {

     *  the <code>pointToPosition()</code> and <code>valueToPosition()</code> methods. 
     * 
     *  @default 0
     */
    protected function get thumbSize():Number
    {

     *  and <code>valueToPosition()</code> methods.</p>
     *
     *  @return The size of the logical track. 
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    protected function get trackSize():Number
    {
