      * 
      *  @param value The new value of the <code>value</code> property. 
      *  @see viewport
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     override protected function setValue(value:Number):void
     {

     *  Set this scrollbar's value to the viewport's current horizontalScrollPosition.
     * 
     *  @see IViewport#horizontalScrollPosition
     */
    override protected function viewportHorizontalScrollPositionChangeHandler(event:PropertyChangeEvent):void
    {

     *  @see mx.core.IViewport
     *  @see mx.core.IViewport#horizontalScrollPosition
     *  @see mx.core.IViewport#getHorizontalScrollPositionDelta()
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    override public function page(increase:Boolean = true):void
    {
