 doCheck:false},
			{ id:23, pId:2, name:"禁止勾选 2-3", doCheck:false}
		];
		
		var code, log, className = "dark";
		function beforeCheck(treeId, treeNode) {
			className = (className === "dark" ? "":"dark");
			showLog("[ "+getTime()+" beforeCheck ]&nbsp;&nbsp;&nbsp;&nbsp;" + treeNode.name );
			return (treeNode.doCheck !== false);
		}
		function onCheck(e, treeId, treeNode) {
			showLog("[ "+getTime()+" onCheck ]&nbsp;&nbsp;&nbsp;&nbsp;" + treeNode.name );
		}		
		function showLog(str) {
			if (!log