function Login(UserName, Password, Path)
    {
        //var UserName = document.getElementById("UserName");
        //var Password = document.getElementById("Password");
        
        var url = Path + "?UserName=" + UserName + "&Password=" + Password;
        var result = GetJsonString(url);
        
        if(result == "0")
        {
            alert("用户名或密码错误！");
            return false;            
        }
        
        //
        window.open("");
        
        return false;
    }
    
    function GetJsonString(url) 
    {
        var xmlhttp;
        if (document.all)
            xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
        else
            xmlhttp = new XMLHttpRequest();

        xmlhttp.open("GET", url, false);
        xmlhttp.send("");
        var jsonStr = xmlhttp.responseText;
        
//        var data;
//        try 
//        {
//            data = JSON.parse(jsonStr);
//        } 
//        catch (e) 
//        {
//            data = null;
//        }
        
        return jsonStr;
    }