<script language="javascript">
function refreshiframe(){
document.iframe1.location.href=document.iframe1.location.href;
}
setInterval("refreshiframe()","60000")
</script>
<iframe src="t1.htm" width="100%" height="30%" name="iframe1">
function refreshiframe(){
document.iframe1.location.href=document.iframe1.location.href;
}
setInterval("refreshiframe()","60000")
</script>
<iframe src="t1.htm" width="100%" height="30%" name="iframe1">
<script>
<!--
var limit="0:15"
if (document.images){
var parselimit=limit.split(":")
parselimit=parselimit[0]*60+parselimit[1]*1
}
function beginrefresh(){
if (!document.images)
return
if (parselimit==1)
document.iframe1.location.href=document.iframe1.location.href;
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()",1000)
}
}
window.onload=beginrefresh
//-->
</script> <body bgcolor="#FFFFFF" text="#000000">
<iframe src="t1.htm" width="100%" height="30%" name="iframe1">
</body>
function refreshiframe(){
document.getElementById("iframe1").location.href=document.getElementById("iframe1").location.href;
}
setInterval("refreshiframe()","60000")
</script>
<iframe src="t1.htm" width="100%" height="30%" name="iframe1" id="iframe1">
<script>
var iframe=document.all["keepSession"];
setInterval(function(){iframe.src=iframe.src},60000);
</script>这样做浏览器会有"反应",建议用ajax....