js 日期显示

<script type="text/javascript" language="javascript">
    //下面显示时间及关闭窗口的js 并没有使用
    var Year=0;   
    var Month=0;   
    var Day=0;  
    var Hour=0;
    var Minute=0;
    var Second=0;

    function setTime() {
 
        var CurrentDate = new Date();
        Year = CurrentDate.getFullYear(); 
        Month = CurrentDate.getMonth()+1;
        Day = CurrentDate.getDate();

        Hour = CurrentDate.getHours();
        Minute = CurrentDate.getMinutes();
        Second = CurrentDate.getSeconds();
        var currentTime = Year + '年' + xgsj(Month) + '月' + xgsj(Day) + '日   ' + xgsj(Hour) + ':' + xgsj(Minute) + ':' + xgsj(Second) +' 星期'+'日一二三四五六'.charAt(new Date().getDay());
        //document.getElementById("timer").innerHTML = currentTime;
    }
    setInterval(setTime,1000);

    function xgsj(sj){
        if(sj < 10){
            sj = '0' + sj;
        }
        return sj;
    }
    
    function OnExit()
    {
        //$.post("logout.action");
        parent.window.close();
    }
</script>