      */
     private function addSystemMouseHandlers():void
     {
-        systemManager.getSandboxRoot().addEventListener(MouseEvent.MOUSE_UP, mouseEventHandler, true /*useCapture*/);
-        systemManager.getSandboxRoot().addEventListener(SandboxMouseEvent.MOUSE_UP_SOMEWHERE, mouseEventHandler);             
+        systemManager.getSandboxRoot().addEventListener(
+			MouseEvent.MOUSE_UP, mouseEventHandler, true /* useCapture */);
+
+        systemManager.getSandboxRoot().addEventListener(
+			SandboxMouseEvent.MOUSE_UP_SOMEWHERE, mouseEventHandler);             
     }
 
     /**

        // System mouse handlers are not needed when the button is not mouse captured
        if (!value)
            removeSystemMouseHandlers();
    }
    
    //----------------------------------
    //  keyboardPressed
    //----------------------------------

    /**
     *  @private
     *  Storage for the keyboardPressed property 
     */
    private var _keyboardPressed:Boolean = false;    

    /**
     *  Indicates whether a keyboard key is pressed while the button is in focus.
     *  Used to determine the skin state.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */ 
    protected function get keyboardPressed():Boolean
    {
        return _keyboardPressed;
    }
    
    /**
     *  @private
     */
    protected function set keyboardPressed(value:Boolean):void
    {
        if (value == _keyboardPressed)
            return;

        _keyboardPressed = value;
        invalidateButtonState();
    }
    
    //----------------------------------


    //--------------------------------------------------------------------------
    //
    //  Methods
    //
    //--------------------------------------------------------------------------

