var _t; 
    var _h = 0; 
    var _m = 0; 
    var _s = 10; 
    var _v = formatTime('正在为您登陆...请稍后...!'); 
    var istimeout = true;
    function doTime() { 
        _s --; 
        if (_s == -1) { 
             _m --; 
             _s = 59; 
        } 
        if (_m == -1) { 
             _h --; 
             _m = 59; 
        } 
        var _b = ((_h == 0) && (_m == 0) && (_s == 0)); 
        if (_b && istimeout) { 
            _v = userLogOutStr; 
            clearTimeout(_t); 
        } else { 
            _v = formatTime("正在为您登陆...请稍后...!"); 
            _t = setTimeout('doTime()', 1000); 
        }  
        document.getElementById("Control_Full_Head1_td_login").innerHTML=_v;
    } 
   
    function formatTime(_time) { 
        return _time;
    }
    var userLogOutStr= "<table width='100%' border='0' align='right' cellpadding='0' cellspacing='0'>";
    userLogOutStr+="<tr align='left'>";
    userLogOutStr+="<td width='98' align='right' class='black_12_19'>";
    userLogOutStr+="用户ID：</td>";
    userLogOutStr+="<td width='72' align='left'>";
    userLogOutStr+="<input id='txt_UserId' type='text' size='11' /></td>";
    userLogOutStr+="<td width='45' align='right' class='black_12_19'>";
    userLogOutStr+="密码：</td>";
    userLogOutStr+="<td width='97' align='left'>";
    userLogOutStr+="<input id='txt_UserPass' type='password' onkeydown='JavaScript:index_UserLog_Enter(event);' size='11' /></td>";
    userLogOutStr+="<td width='60' align='left'>";
    userLogOutStr+="<a href='#'>";
    userLogOutStr+="<img src='img/1_022.gif' width='48' height='20' border='0' onclick='JavaScript:Login();' /></a></td>";
    userLogOutStr+="<td width='81' align='left'>";
    userLogOutStr+="<a href='MemberCenter/UserReg.aspx' target='_blank'>";
    userLogOutStr+="<img src='img/1_023.gif' width='71' height='20' border='0' /></a></td>";
    userLogOutStr+="<td width='82' align='left'><a href='JavaScript:alert(\"登陆后免费发布信息\");'><img src='img/1_024.gif' width='82' height='20' border='0' /></a></td>";
    userLogOutStr+="<td width='35' align='left'><img src='img/free.gif' width='23' height='12' /></td></tr></table>";               

function showUserInfo()
{
   Control_Full_Head.UserIsLogin(UserIsLog_callback);
}

function UserIsLog_callback(res)
{
    if(res)
    {
        document.getElementById("Control_Full_Head1_td_login").innerHTML=res.value;
    }
}

function Login()
{
    var userId=document.getElementById("txt_UserId").value;    
    var UserPass = document.getElementById("txt_UserPass").value;
    
    if(userId=="")
        alert("用户ID 不能为空！");
    else if(UserPass=="")
        alert("密码不能为空！");
    else
    {
        Control_Full_Head.UserLogin(userId,UserPass,UserLogin_callback);
        document.getElementById("Control_Full_Head1_td_login").innerHTML=_v;
        _t = setTimeout('doTime()', 1000);
    }
}

function UserLogin_callback(res)
{
    var tr=document.getElementById("Control_Full_Head1_td_login");
    if(res)
    {
        if(res.value=="logErro")
        {
            tr.innerHTML="登陆失败！请<a href='JavaScript:showUserInfo();' color='red'>重新登陆</a>";
            clearTimeout(_t);   
        }
        else
        {
            tr.innerHTML=res.value;
            clearTimeout(_t);   
            IsLogin=true;
        }            
    }
}

function UserLogOut()
{
    Control_Full_Head.UserLoginOut(UserLogout_callback);
}

function UserLogout_callback(res)
{
    var tr=document.getElementById("Control_Full_Head1_td_login");
    if(res && res.value=="ok")
    {
        tr.innerHTML=userLogOutStr;
        IsLogin=false;
    }

}

function index_UserLog_Enter(evt)
{
    if(evt.keyCode==13)index_UserLog();
}