.net获取系统当前时间

界面：

<table border="0" cellspacing="0" cellpadding="0" align="right">
  <tr>
      <td>今天是：<span id="spnDate"></span>
                 <script language="JavaScript">fStartClock();</script>
        </td>
   </tr>
  </table>

JS代码：

   <script type="text/javascript">
var timerID = null;
var timerRunning = false;
function fStopClock() {
if (timerRunning)
window.clearTimeout(timerID);
timerRunning = false;
}
function fGetTime() {
var datNow = new Date();
var year = datNow.getFullYear();
var month = datNow.getMonth() + 1;
var week = datNow.getUTCDay();
var date = datNow.getDate();
var hours = datNow.getHours();
var minutes = datNow.getMinutes();
var seconds = datNow.getSeconds();
var day = datNow.getDay();
var strTime = "";
week = fFormatWeek(week);
strTime += year + "年" + month + "月" + date + "日 ";
strTime += "星期" + week + " ";
strTime += ((hours <= 24) ? hours : hours - 24);
strTime += ((minutes < 10) ? ":0" : ":") + minutes;
strTime += ((seconds < 10) ? ":0" : ":") + seconds;
spnDate.innerText = strTime;
timerID = window.setTimeout("fGetTime()", 1000);
timerRunning = true;
}
function fFormatWeek(src) {
var sValue = "";
var sTmp = "1,2,3,4,5,6,7,0";
if (sTmp.indexOf(src) == -1) return "1"; //如果异常,则退出，返回星期一.
switch (src) {
case 1:
sValue = "一";
break;
case 2:
sValue = "二";
break;
case 3:
sValue = "三";
break;
case 4:
sValue = "四";
break;
case 5:
sValue = "五";
break;
case 6:
sValue = "六";
break;
case 7:
sValue = "日";
break;
case 0:
sValue = "日";
break;
default:
sValue = "3";
break;
}
return sValue;
}
function fStartClock() {
fStopClock();
fGetTime();
}
</script>