      */
     override public function addChild(child:DisplayObject):DisplayObject
     {
-        throw(new Error("This method is not available in this class.  Please consult the documentation."));
+        throw(new Error(resourceManager.getString("components", "methodUnavailable")));
     }
     
     /**

     */
    override public function removeChildAt(index:int):DisplayObject
    {
        throw(new Error("This method is not available in this class.  Please consult the documentation."));
    }
    
    /**

     */
    override public function addChildAt(child:DisplayObject, index:int):DisplayObject
    {
        throw(new Error(resourceManager.getString("components", "methodUnavailable")));
    }
    
    /**
