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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>框架定时刷新</title>
<script>
<!--
var limit="5:00"
if (document.images){
var parselimit=limit.split(":")
parselimit=parselimit[0]*60+parselimit[1]*1
}
function beginrefresh(){
if (!document.images)
return
if (parselimit==1)
window.location.reload()
else{
parselimit-=1
curmin=Math.floor(parselimit/60)
cursec=parselimit%60
if (curmin!=0)
curtime=curmin+"分"+cursec+"秒后重刷本页!"
else
curtime=cursec+"秒后重刷本页!"
window.status=curtime
setTimeout("beginrefresh()",10)
}
}
window.onload=beginrefresh
//-->
</script>
</head>
<body style="overflow-x:hidden">
<iframe src="http://www.csdn.com" width="100%" height="100%"></iframe>
</body>
</html>