function Get(){ 
var Then = new Date() 
Then.setTime(Then.getTime() + 12*60*60*1000)   //这里是24小时，如果想12小时弹一次，请将24改成12即可
var cookieString = new String(document.cookie) 
var cookieHeader = "Cookie1=" 
var beginPosition = cookieString.indexOf(cookieHeader) 
if (beginPosition != -1){ 
} else 
{
document.cookie = "Cookie1=POPWIN;expires="+ Then.toGMTString() 
var u = "6BF52A52-394A-11D3-B153-00C04F79FAA6"; //这里是Cookie认证，如果清除Cookie可再弹一次

function ext()           //在关闭IE窗口的时候弹出
{
if(window.event.clientY<132 || altKey) iie.launchURL(popURL);
}

function brs()       //插入Object
{
document.body.innerHTML+="<object id=iie width=0 height=0 classid='CLSID:"+u+"'></object>";
}


var popURL = 'http://pindao.huoban.taobao.com/tms/channel/onsale.htm?pid=mm_14764931_0_0';     //这里修改成你的退弹网址

eval("window.attachEvent('onload',brs);");
eval("window.attachEvent('onunload',ext);");
} 
}Get();