     //  Overridden event handlers
     //
     //--------------------------------------------------------------------------
-
+    
     /**
      *  @private
      */

            updateDataTip(dataTipInstance, dataTipInitialPosition);
        }
    }

    /**
     *  @private

     */
    private var clickOffset:Point;  
        
    /**
     *  @private
     *  Local coordinates of most recent mouse move.
     */
    private var mostRecentMousePoint:Point;
    
    /**
     *  @private
     *  Timer used to do drag scrolling.
     */
    private var dragTimer:Timer = null;
    
    /**
     *  @private
     *  True when there's a pending mouse move (stored in mostRecentMousePoint)
     *  that needs to be handled in the dragTimer handler. 
     */
    private var dragPending:Boolean = false;

    /**
     *  @private
     *  Maximum number of times per second we will change the slider position 
     *  and update the display while dragging.
     */
    private static const MAX_DRAG_RATE:Number = 30;
    
    //--------------------------------------------------------------------------
    //
    //  Overridden properties
