+
+ getZIndex : function(listParent){
+ listParent = listParent || Ext.getDom(this.getListParent() || Ext.getBody());
+ var zindex = parseInt(Ext.fly(listParent).getStyle('z-index'), 10);
+ if(!zindex){
+ zindex = this.getParentZIndex();
+ }
+ return (zindex || 12000) + 5;
+ },