// JavaScript Document
	function createQueryString(){
	var username = encodeURI($("#username").val());
	var password = encodeURI($("#password").val());
	//组合成对象的形式
	var queryString = {username:username,password:password};
	return queryString;
		}
	function doRequestUsingPOST(){
		$.post("DLcheck.asp",createQueryString(),
			//发送POST请求
			function(data){
				var data;
				if (decodeURI(data)=="1"){
					window.location.href="/vip/index.asp";
					}else if(decodeURI(data)=="2"){
					alert('错误的用户名和密码！');
					window.location.href="/user/login.asp";}else{
				$("#tips").html(decodeURI(data));}
			}
		);
	}