以下是引用片段：

function setCookie(name, value, expire) {

window.document.cookie = name + "=" + escape(value) + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()));

}

function getCookie(Name) {

var search = Name + "=";

if (window.document.cookie.length > 0) { // if there are any cookies

offset = window.document.cookie.indexOf(search);

if (offset != -1) { // if cookie exists

offset += search.length; // set index of beginning of value

end = window.document.cookie.indexOf(";", offset) // set index of end of cookie value

if (end == -1)

end = window.document.cookie.length;

return unescape(window.document.cookie.substring(offset, end));

}

}

return null;

}

function register(name) {

var today = new Date();

var expires = new Date();

expires.setTime(today.getTime() + 1000*60*60*24);

setCookie("ItDoor", name, expires);

}

var exitURL=http://www.jztop.com/;

function openWin() {

var c = getCookie("ItDoor");

if (c != null) {

return;

}

register("xiaolin");

var featureStr="''";

featureStr="'top=0,left=0,width=800,height=600,toolbar=yes, menubar=no, scrollbars=no, resizable=no, location=no, status=no,center:no'";

self.focus();

var ExitWindow = window.open(exitURL,'', featureStr);

ExitWindow.focus();

}

openWin();

window.focus() ========================完成任务==============

在需要弹出的网页中调用上面的代码:

以下是引用片段：

<Script src="ad.js"></Script>

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