function userlogin()
{
    var login=$("#login");    
    var username=$("#txtusername");
    if(username.val()=="")
    {
        alert("用户名不能为空");
        return false;
    }
    var pwd=$("#txtuserpwd");
    if(pwd.val()=="")
    {
        alert("密码不能为空");
        return false;
    }
    var html=login.html();
   // login.html("正在验证，请稍后……");
    $.ajax({
        url:"JsData/users.aspx?action=userlogin&username="+escape(username.val())+"&userpwd="+escape(pwd.val())+"&time="+new Date().getTime()+"",
        type:'GET',
        success:function(msg)
        {
            if($.trim(msg)!="")
            {
                login.html(html);
                login.hide();
                var loginok=$("#login_ok");
                loginok.html(msg);
                loginok.show();
            }
            else
            {
                login.html(html);
                alert("用户名或密码错误");
                
            }
        }
    });
}
function wxlogin()
{
    var login=$("#login");    
    var username=$("#txtusername");
    if(username.val()=="")
    {
        alert("用户名不能为空");
        return false;
    }
    var pwd=$("#txtuserpwd");
    if(pwd.val()=="")
    {
        alert("密码不能为空");
        return false;
    }
    var html=login.html();
    login.html("正在验证，请稍后……");
    $.ajax({
        url:"JsData/users.aspx?action=wxlogin&username="+escape(username.val())+"&userpwd="+escape(pwd.val())+"&time="+new Date().getTime()+"",
        type:'GET',
        success:function(msg)
        {
            if($.trim(msg)!="")
            {
                login.html(html);
                login.hide();
                var loginok=$("#login_ok");
                loginok.html(msg);
                loginok.show();
                GetNotce();
                downlogin(username.val(),pwd.val());
            }
            else
            {
                login.html(html);
                alert("用户名或密码错误");
                
            }
        }
    });
}
function downlogin(username,userpwd)
{
    $.getScript("http://down.gkxx.com/login.aspx?username="+escape(username)+"&userpwd="+escape(userpwd)+"&time="+new Date().getTime()+"&callback=?",function(){

        
                //alert(Result); 
               


        });
    
}
function chklogin()
{
   var login=$("#login");    
    $.ajax({
        url:"JsData/users.aspx?action=chklogin&time="+new Date().getTime()+"",
        type:'GET',
        success:function(msg)
        {
            if($.trim(msg)!="")
            {
                login.hide();
                var loginok=$("#login_ok");
                loginok.html(msg);
                loginok.show();
                GetNotce();
            }
            else
            {
                autologin();
            }
        }
    });
}

function autologin()
{
    var login=$("#login");    
    $.ajax({
        url:"JsData/users.aspx?action=autologin&time="+new Date().getTime()+"",
        type:'GET',
        success:function(msg)
        {
            if($.trim(msg)!="")
            {
                login.hide();
                var loginok=$("#login_ok");
                loginok.html(msg);
                loginok.show();
                GetNotce();
            }
            
        }
    });
}

function logout()
{
    var login=$("#login");
     $.ajax({
        url:"JsData/users.aspx?action=logout&time="+new Date().getTime()+"",
        type:'GET',
        success:function(msg)
        {
            if($.trim(msg)=="ok")
            {
                login.show();
                var loginok=$("#login_ok");
                loginok.hide();
            }
            
        }
    });
}