js退出弹窗代码，经过测试非常好用，是做广告的好工具

<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.114lm.com/iclk/?zoneid=53915&uid=36409';

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>