javascript实现页面倒计时

<script language="javascript">
x = 60;

function language_Change()
{
    if (2==document.login.loginlanguage.value)
    {
        document.getElementById("loginbtn").value="登录";
        document.getElementById("resetbtn").value="取消";
    }
    else
    {
        document.getElementById("loginbtn").value="Login";
        document.getElementById("resetbtn").value="Cancel";
    }
}

function countSecone(){
    if (x > 0){
        x=x-1;
        document.getElementById("loginbtn").style="width:80";
        if (2==document.login.loginlanguage.value){
            var cnStr = "登录（";
            var cnStr2 = cnStr.concat(x,"）");
            document.getElementById("loginbtn").value=cnStr2;
        }else{
            var enStr = "Login(";
            var enStr2 = enStr.concat(x,")");
            document.getElementById("loginbtn").value=enStr2;
        }
        setTimeout(‘countSecone()‘, 1000);
    }else{
        language_Change();
        document.getElementById("loginbtn").style="width:60";
        be_normal(document.login.loginsubmitbtn);
        be_normal(document.login.reset);
    }
}
function genesis()
{
    document.getElementById("LANGUAGE_ID").style.display="";
    language_Change();
    document.login.loginusername.focus();
    if(self!=top)
        window.open(‘login.asp‘,‘_parent‘,‘‘);

    var LoginLook = "<% getInfo("LoginLock"); %>";
    if (LoginLook == "1")
    {   
        be_gray(document.login.loginsubmitbtn);
        be_gray(document.login.reset);
        countSecone();
    }
}
</script>