                 
             initializeDataProvider();
             
-            mx_internal::maskChanged = true;
+            maskChanged = true;
         }
         
         // Need to initializeDataProvider before calling super.commitProperties

            keepLayeringEnabled = true;
            insertIndex=0;

            GroupBase.mx_internal::sortOnLayer(bottomLayerItems);
            len = bottomLayerItems.length;

            for (i=0;i<len;i++)

            if (!vLayout)
            {
                for (index = 0; index < _dataProvider.length; index++)
                    itemAdded(_dataProvider.getItemAt(index), index);
            }
            else
            {
