  *  @productversion Flex 4
  */ 
 [Style(name="contentBackgroundColor", type="uint", format="Color", inherit="yes", theme="spark")]
+
+/**
+ *  The alpha value when the container is disabled.
+ *  
+ *  @langversion 3.0
+ *  @playerversion Flash 10
+ *  @playerversion AIR 1.5
+ *  @productversion Flex 4
+ */
+[Style(name="disabledAlpha", type="Number", inherit="no", theme="spark")]
 
 /**
  *  Color of focus ring when the component is in focus

        }
    }
    
    //----------------------------------
    //  horizontal,verticalScrollPositionDelta
    //----------------------------------

    //--------------------------------------------------------------------------
    
    //----------------------------------
    //  alpha
    //----------------------------------
    
    private var _explicitAlpha:Number = 1.0;
    
    /**
     *  @private
     */
    override public function set alpha(value:Number):void
    {
        if (enabled)
            super.alpha = value;
        _explicitAlpha = value;
    }
    
    //----------------------------------
    //  mouseChildren
    //----------------------------------

