有影子的数字时钟
  说明： 这个时钟是有影子的，而且还在不停地走着呢 
  代码：
<div id="bgclockshade" style="position:absolute;visibility:visible;font-family:'Arial black';color:#cccccc;font-size:20px;top:50px;left:173px"></div>
<div id="bgclocknoshade" style="position:absolute;visibility:visible;font-family:'Arial black';color:#000000;font-size:20px;top:48px;left:170px"></div>
<div id="mainbody" style="position:absolute; visibility:visible">
</div>
<script language=javaScript>
<!--
function www_helpor_net() {
thistime= new Date()
var hours=thistime.getHours()
var minutes=thistime.getMinutes()
var seconds=thistime.getSeconds()
if (eval(hours) <10) {hours="0"+hours}
if (eval(minutes) < 10) {minutes="0"+minutes}
if (seconds < 10) {seconds="0"+seconds}
thistime = hours+":"+minutes+":"+seconds

if(document.all) {
bgclocknoshade.innerHTML=thistime
bgclockshade.innerHTML=thistime
}

if(document.layers) {
document.bgclockshade.document.write('<div id="bgclockshade" style="position:absolute;visibility:visible;font-family:Verdana;color:FFAAAAA;font-size:20px;top:10px;left:152px">'+thistime+'</div>')
document.bgclocknoshade.document.write('<div id="bgclocknoshade" style="position:absolute;visibility:visible;font-family:Verdana;color:DDDDDD;font-size:20px;top:8px;left:150px">'+thistime+'</div>')
document.close()
}
var timer=setTimeout("www_helpor_net()",200)
}
www_helpor_net();
//-->
</script>