<html>
<title>倒计时关闭网页</title>
<head>
<script language="javascript">
var cTime=3;
function TimeClose()
{
? ? window.setTimeout('TimeClose()',1000);
? ? if(cTime<=0)
? ? { ?
window.opener =null;?
window.close();?
}
? ? this.ShowTime.innerHTML="倒计时"+cTime+"秒后关闭当前窗口";
? ? cTime--;
}
function CloseWindow_Click()
{
? ? window.close();
}
?
function Close()?
{?
var ua=navigator.userAgent?
var ie=navigator.appName=="Microsoft Internet Explorer"?true:false?
if(ie)?
{?
var IEversion=parseFloat(ua.substring(ua.indexOf("MSIE ")+5,ua.indexOf(";",ua.indexOf("MSIE "))))?
if(IEversion< 5.5)?
{?
var str = '<object id=noTipClose classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'?
str += '<param name="Command" value="Close"></object>';?
document.body.insertAdjacentHTML("beforeEnd", str);?
document.all.noTipClose.Click();?
}?
else?
{?
window.opener =null;?
window.close();?
}?
}?
else?
{?
window.close()?
}?
}?
?
?
</script>
</head>
<body onLoad="TimeClose();">
? ? ? <div id="ShowTime">倒计时3秒后关闭当前窗口</div>
? ? ? <input type="button" name="CloseWindow" onClick="CloseWindow_Click();" value="立即关闭当前网页">
</body>
</html>