function GetCookieVal(offset)
//获得Cookie解码后的值
{
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1)
    endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}

function SetCookie(name, value)
//设定Cookie值
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");
}
function DelCookie(name)
//删除Cookie
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}
function GetCookie(name)
//获得Cookie的原始值
{
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen)
    {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg)
            return GetCookieVal (j);
            i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0)
         break;
    }
    return "";
}
 function GetUserNameCookie()
 {
    var name=GetCookie("userinfoname");
    if(name!="")
    {
        document.getElementById("logindisplay").style.display="none";
    }
    
 }
 
 
// JScript 文件
var xmlhttp;
        
function CreateXmlHttp()
{
    if(window.ActiveXObject)
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    else if(window.XMLHttpRequest)
        xmlhttp = new XMLHttpRequest();     
}

function CheckUserName()
{        
    //打造对象
    CreateXmlHttp();
    xmlhttp.Open("POST","ValdidateUserLogin.ashx");
    xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=UTF-8");
    xmlhttp.onreadystatechange = getResult;
    xmlhttp.Send("txtName=jc");
    if(document.getElementById("Hidden1").value=="" || document.getElementById("Hidden1").value=="undefined")
    {
        document.getElementById("logindisplay").style.display="block";
    }
    else
    {
        document.getElementById("logindisplay").style.display="none";
    }
}

function getResult()
{
    //alert(xmlhttp.readyState);
    var result="";
    //接收数据
    if(xmlhttp.readyState == 4 && xmlhttp.status == 200)
    {
        result = xmlhttp.responseText;
    }
    
    document.getElementById("Hidden1").innerText = result;
//    alert(result);
//    if(result=="")
//    {
//        
//    }
//    if(result=="undefined")
//    {
//        document.getElementById("logindisplay").style.display="block";
//    }
//    else
//    {
//        document.getElementById("logindisplay").style.display="none";
//    }
}


$(document).ready(function(){
    $.ajax({
    type:"post",
    url:"ValdidateUserLogin.ashx",  
    success:function(val){
        if(val=="")
        {
            document.getElementById("logindisplay").style.display="block";
            document.getElementById("loginSucees").style.display="none";
        }
        else
        {
            document.getElementById("logindisplay").style.display="none";
            document.getElementById("loginSucees").style.display="block";
            document.getElementById("spLogin").innerHTML=val;
        }
    },
    error:function(val){
        alert("error")
    }
});
});