function SelectTree(req,first){
	var setting = {
			view: {
				dblClickExpand: false
			},
			data: {
				simpleData: {
					enable: true
				}
			},
			callback: {
				beforeClick: req.beforeClick
			}
		}; 
	$("#Sel").click(function(){
		var cityObj = $("#Sel");
		var cityOffset = $("#Sel").offset();
		if(req.isbox){
			$("#menuContent").slideDown("fast");
		}else{
			$("#menuContent").css({left:cityOffset.left + "px", top:cityOffset.top + cityObj.outerHeight() + "px"}).slideDown("fast");
		}
	})
	doAjaxPostData(req.method, localUrl+req.url,req.data,function(data){
		if(data.status == 10001){
			var arr = data.data;
			var node = new Array();
			if(first == "" || first == 'undefined' || first == undefined){
				var i=0;
			} else{
				var i=1;
				arr[0] = {"id":first.id,"pId":first.pId,"name":first.name}
			}
			for(i in arr){
				if(arr[i].parent_id == undefined || arr[i].parent_id == "undefined"){
					arr[i].parent_id = 1;
				}
				node[i] = {"id":arr[i].id,"pId":arr[i].parent_id,"name":arr[i].name,"open":true};
			}
			
			$.fn.zTree.init($("#tree"), setting, node);
		}else{
			
		}
	});
}