Ext.menu.CheckItem=function(a){Ext.menu.CheckItem.superclass.constructor.call(this,a);this.addEvents("beforecheckchange","checkchange");if(this.checkHandler){this.on("checkchange",this.checkHandler,this.scope)}Ext.menu.MenuMgr.registerCheckable(this)};Ext.extend(Ext.menu.CheckItem,Ext.menu.Item,{itemCls:"x-menu-item x-menu-check-item",groupClass:"x-menu-group-item",checked:false,ctype:"Ext.menu.CheckItem",onRender:function(a){Ext.menu.CheckItem.superclass.onRender.apply(this,arguments);if(this.group){this.el.addClass(this.groupClass)}if(this.checked){this.checked=false;this.setChecked(true,true)}},destroy:function(){Ext.menu.MenuMgr.unregisterCheckable(this);Ext.menu.CheckItem.superclass.destroy.apply(this,arguments)},setChecked:function(b,a){if(this.checked!=b&&this.fireEvent("beforecheckchange",this,b)!==false){if(this.container){this.container[b?"addClass":"removeClass"]("x-menu-item-checked")}this.checked=b;if(a!==true){this.fireEvent("checkchange",this,b)}}},handleClick:function(a){if(!this.disabled&&!(this.checked&&this.group)){this.setChecked(!this.checked)}Ext.menu.CheckItem.superclass.handleClick.apply(this,arguments)}});