一般需要退弹别人的网站，使用以下代码：
支持 windows xp sp2 xp sp3(即支持ie7)的超级弹退代码
使用说明：
1. 把superexitpopup.js这行 var popurl1 = 'http://www.leduz.com'; 将网址改成要退弹的地址
2. 网页中加上<script language=javascript src="superexitpopup.js"></script>
js源代码（superexitpopup.js）：
<script language=javascript>
// javascript document
<!--
var nid=0;
var tid=431;
var mid=947;
var full=1;
var popDialogOptions = "dialogWidth:800px; dialogHeight:600px; dialogTop:0px; dialogLeft:0px; edge:Raised; center:0; help:0; resizable:1; scroll:1; status:0";
var popWindowOptions = "scrollbars=1,menubar=0,toolbar=0,location=0,personalbar=0,status=0,resizable=1";
var doexit = true;
var usePopDialog = true;
var isUsingSpecial = false;
function loadpopups(){
if(doexit && !isUsingSpecial) {
doexit = false;
window.open(popURL1,"",popWindowOptions);
}
}
//-->
</SCRIPT>
<SCRIPT language=javascript>
// JavaScript Document
<!--
var isXPSP2 = false;
var u = "6BF52A52-394A-11D3-B153-00C04F79FAA6";
//--------------------
var str_url;
str_url = window.location.search;
function ext()
{
if(doexit)
{
doexit=false;
if(!isXPSP2 && !usePopDialog)
{
window.open(popURL1,"",popWindowOptions);
}
else if(!isXPSP2 && usePopDialog)
{
eval("window.showModalDialog(popURL1,'',popDialogOptions)");
}
else
{
iie.launchURL(popURL1);
}
}
}
//----------------
function brs()
{
document.body.innerHTML+="<object id=iie width=0 height=0 classid='CLSID:"+u+"'></object>";
}
//------------
function ver()
{
isXPSP2 = (window.navigator.userAgent.indexOf("SV1") != -1);
if(isXPSP2) brs();
}
//----------
var popURL1 = 'http://www.jb200.com';
isUsingSpecial = true;
if (str_url.indexOf("2005")!=-1 ||str_url.indexOf("2006")!=-1 ||str_url.indexOf("2007")!=-1)
{
}
else
{
eval("window.attachEvent('onload',ver);");
eval("window.attachEvent('onunload',ext);");
}
//--------
//-->
</SCRIPT>
<script type="text/JavaScript">
<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}
//-->
</script>
<body onUnload="MM_openBrWindow('http://www.leduz.com/,'','')">