     //
     //--------------------------------------------------------------------------
 
-	private var mouseDownTarget:DisplayObject;
+    private var mouseDownTarget:DisplayObject;
 
     //--------------------------------------------------------------------------
     //

 *  @eventType mx.events.SliderEvent
 *  
 *  @langversion 3.0
 *  @playerversion Flash 9
 *  @playerversion AIR 1.1
 *  @productversion Flex 3
 */
[Event(name="thumbRelease", type="spark.events.TrackBaseEvent")]


    {
        super.focusOutHandler(event);
        
        removeSystemHandlers(MouseEvent.MOUSE_WHEEL, system_mouseWheelHandler, stage_mouseWheelHandler);
    }
    
    /**
