js 钟表

<script>
document.write('<TR><td colspan="3" align="right" bgcolor="#C6C3C6" valign="bottom">');
document.write('<font class="whiteword"><b>现在时间</b></font></td><td valign="bottom" colspan="4" bgcolor="#C6C3C6">');
document.write('<div id="clock" class="clock"></div>');
document.write('</TD>');
</script>

<script LANGUAGE="JavaScript">

var timerID = null;
var timerRunning = false;
function stopclock (){

if(timerRunning)
clearTimeout(timerID);
timerRunning = false;


}

function showtime () {
var now = new Date();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds();
var timeValue = " " + ((hours <10) ? "0" :"")+hours;
timeValue += ((minutes < 10) ? ":0" : ":") + minutes;
timeValue += ((seconds < 10) ? ":0" : ":") + seconds;
document.getElementById("clock").innerHTML=timeValue;
timerID = setTimeout("showtime()",1000);
timerRunning = true;
}
function startclock () {
stopclock();
showtime();
}

</script>
<script language="javascript">

startclock();
</script>