Jquery 遍历xml

tree = new dTree('tree');//创建一个对象.
	$.ajax({ 
		url:'NodesPrint', 
		type:'post', //数据发送方式 
		dataType:($.browser.msie)? "text" : "xml", //接受数据格式 
		error:function(json){ alert( "not lived!"); },
		async: false ,
		success: function(data){
			var xml;
			if(typeof data == "string"){
				xml = new ActiveXObject("Microsoft.XMLDOM"); //ie6,ie7需要，firefox,ie8不需要
				xml.async = false;
				xml.loadXML(data);
			}else{
				xml = data;
			}
			$(xml).find("node").each(function(){ 
				var nodeId=$(this).attr("nodeId");  
				var parentId=$(this).attr("parentId");  
				var hrefAddress=$(this).attr("hrefAddress");  
				var nodeName=$(this).text(); 
				//alert(nodeId+"  "+parentId+"  "+hrefAddress+"  "+nodeName);
				tree.add(nodeId,parentId,nodeName,hrefAddress,"","mainarea","","",false);
			});
		}
	});
	document.write(tree);