//获取时间
<script type="text/javascript">
    function time(){
        var vWeek,vWeek_s,vDay;
        vWeek = ["星期天","星期一","星期二","星期三","星期四","星期五","星期六"];
        var date =  new Date();
        year = date.getFullYear();
        month = date.getMonth() + 1;
        day = date.getDate();
        hours = date.getHours();
        minutes = date.getMinutes();
        seconds = date.getSeconds();
        vWeek_s = date.getDay();
        document.getElementById("time").innerHTML = year + "年" + month + "月" + day + "日" + "\t" + hours + ":" + minutes +":" + seconds + "\t" + vWeek[vWeek_s] ;

    };
    setInterval("time()",1000);
</script>