设置时间：Then.setTime(Then.getTime() 1*60*60*1000)

mylove/ttan.htm(过渡网页)
ttan.htm中的 http://弹出网页/ 是要弹出的网页

scroll:1(滚动条)
status:1(状态栏)
help:1(帮助按钮)
toolbar=1(工具栏)
resizable:1(是否可以用鼠标拖动改变大小)
dialogWidth:800px(宽度)
dialogHeight:600px(高度)
3000(延迟弹出的时间，单位：毫秒。1秒=1000毫秒)

<!--弹出广告-->
<script language="javascript">
function Get(){
var Then = new Date()
Then.setTime(Then.getTime() 1*60*60*1000)
var cookieString = new String(documents.cookie)
var cookieHeader = "Cookie1="
var beginPosition = cookieString.indexOf(cookieHeader)
if (beginPosition != -1){
} else
{ documents.cookie = "Cookie1=POPWIN;expires=" Then.toGMTString()
focusid=setTimeout("focus();window.showModelessDialog('ttan.htm','','scroll:0;status:0;help:0;resizable:0;d
ialogWidth:0px;dialogHeight:0px')",3000)
window.focus();
}
}Get();
</script>
<!--弹出结束-->

　　ttan.htm的内容：

<script language="javascript">
<!--
window.open("http://弹出网页/");
//-->
</script>
<script LANGUAGE="javascript">
<!--
setTimeout('window.close();', 0)
//-->
</script>