滤镜没有效果？怎么办？
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.<html xmlns="http://www.
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
time{font-family:comic sans ms;
font-size:14pt;
font-weight:bold;
color:#00008D;
}
</style>
<script language="javascript" type="text/javascript">
var ctimer;
function settimes(){
tim2.style.left=tim1.style.posLeft;
tim2.style.top=tim1.style.posTop+tim1.offsetHeight-6;
var time=new Date();
h=time.getHours();
m=time.getMinutes();
s=time.getSeconds();
if(h<10){h="0"+h;}
if(m<10){m="0"+m;}
if(s<10){s="0"+s;}
tim1.innerHTML=h+":"+m+":"+s;
tim2.innerHTML=h+":"+m+":"+s;
ctimer=setTimeout('settimes()',1000);
}
</script>
</head>
<body onload="settimes()">
<center>
<h1>水中倒影</h1>
<hr/>
<div id="tim1" style="position:relative;width:10;height:10;top:100;left:100" class="time"></div>
<div id="tim2" style="position:absolute;Filter:Flipv()alpha(opacity=20);font-style:italic" class="time"></div>
</center>
</body>
</html>
