asp.net 中实时显示本地时间

<script src="js/jquery-1.7.2.min.js" type="text/javascript"></script><script type="text/javascript">$(function(){      var clock = clockon();     $("#bgclock").html(clock);}); // 本地时钟function clockon() {    var now = new Date();    var year = now.getFullYear();    var month = now.getMonth();    var date = now.getDate();    var day = now.getDay();    var hour = now.getHours();    var minu = now.getMinutes();    var sec = now.getSeconds();    var week;    month = month + 1;    if (month < 10)        month = "0" + month;    if (date < 10)        date = "0" + date;    if (hour < 10)        hour = "0" + hour;    if (minu < 10)        minu = "0" + minu;    if (sec < 10)        sec = "0" + sec;    var arr_week = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");    week = arr_week[day];    var time = "";    time = year + "年" + month + "月" + date + "日" + " " + hour + ":" + minu            + ":" + sec + " " + week;    var timer = setTimeout("clockon()", 200);}</script> <div class="footer" id="bgclock"> </div>