-Ext.dd.DragZone = function(el, config){
- Ext.dd.DragZone.superclass.constructor.call(this, el, config);
- if(this.containerScroll){
- Ext.dd.ScrollManager.register(this.el);
- }
-};
-
-Ext.extend(Ext.dd.DragZone, Ext.dd.DragSource, {
+Ext.dd.DragZone = Ext.extend(Ext.dd.DragSource, {
+
+ constructor : function(el, config){
+ Ext.dd.DragZone.superclass.constructor.call(this, el, config);
+ if(this.containerScroll){
+ Ext.dd.ScrollManager.register(this.el);
+ }
+ },
+