Ext.layout.CardLayout=Ext.extend(Ext.layout.FitLayout,{deferredRender:false,renderHidden:true,setActiveItem:function(a){a=this.container.getComponent(a);if(this.activeItem!=a){if(this.activeItem){this.activeItem.hide()}this.activeItem=a;a.show();this.layout()}},renderAll:function(a,b){if(this.deferredRender){this.renderItem(this.activeItem,undefined,b)}else{Ext.layout.CardLayout.superclass.renderAll.call(this,a,b)}}});Ext.Container.LAYOUTS.card=Ext.layout.CardLayout;