高仿163网站广告弹出层（每天定时24小时弹出一次） 这里和京东首页定时弹出广告功能一样；用JS实现网站首页弹出广告；超级炫酷的定时弹出图片广告；淘宝网站广告弹出层实现。
<html class="hb-loaded">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<script src="./jquery.js"></script>
<style>
/*全局广告样式Start*/
#globalAd{ width:600px; height:400px; overflow:hidden;position:fixed;display:none;margin:0 auto;z-index:10001}
.layer{width:100%; height:100%; position:fixed; top:0px;left:0px;filter:alpha(opacity=50);opacity:0.5;background:#000;z-index:1000;display:none}
.globalContent{width:600px; height:400px;}
.globalContent img{max-width: 600px;height: 400px;}
.closeIco{width:400px;height:50px;margin-left: 20px;position: absolute;left: 345px;cursor:pointer;background:url("http://pics.rebatesme.com/newrm/images/cha.png") no-repeat scroll 190px 0;}
/*全局广告样式End*/
</style>
</head>
<body >
<div style="width:2000px;height:2500px;background:#fcc;"></div>
<!--全局广告开始-->
<div class="layer" style="display: none;"></div>
<div id="globalAd" style="top: 266.5px; left: 651.5px; display: none;">
<span onclick="closeGlobalAd();" class="closeIco"></span>
<a href="#" target="_blank" class="globalContent" onclick="redirectUrlToActive();"><img src="./get_vip.png"></a>
</div>
<!--全局广告结束-->
<script>
/*全局广告开始*/
//=================================================================jquery.cookie Start=======================================
jQuery.cookie = function(name, value, options) {
if (typeof value != 'undefined') { // name and value given, set cookie
options = options || {};
if (value === null) {
value = '';
options.expires = -1;
}
var expires = '';
if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
var date;
if (typeof options.expires == 'number') {
date = new Date();
var totalTime = 24*3600;
/*var totalTime=(1440-79)*60;*/
var hour=date.getHours();
var minutes=date.getMinutes();
var seconds=date.getSeconds();
var pastTime=3600*hour + 60*minutes + seconds;
var leftTime=totalTime-pastTime;
date.setTime(date.getTime() + (options.expires * leftTime * 1000));
} else {
date = options.expires;
}
expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
}
// CAUTION: Needed to parenthesize options.path and options.domain
// in the following expressions, otherwise they evaluate to undefined
// in the packed version for some reason...
var path = options.path ? '; path=' + (options.path) : '';
var domain = options.domain ? '; domain=' + (options.domain) : '';
var secure = options.secure ? '; secure' : '';
document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
} else { // only name given, get cookie
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
};
//================================================================jquery.cookie End===========================================================================
$(function() {
//Set the popup window to center
var COOKIE_NAME = "dev21dscn";
if($.cookie(COOKIE_NAME)){
$(".layer").hide();
$("#globalAd").hide();
}else{
var erdangjiadeH = $(window).height();
var erdangjiadeW = $(window).width();
$(".layer").show();
$("#globalAd").css({'top': erdangjiadeH/2-$("#globalAd").height()/2,'left': erdangjiadeW/2-$("#globalAd").width()/2 });
$("#globalAd").slideDown(300, function() {
setTimeout("closeGloableAd()", '300000');
});
$.cookie(COOKIE_NAME,"dev21dscn", {path: '/', expires: 1});
}
});
//关闭全局广告方法
function closeGlobalAd(){
$('#globalAd').hide();
$('.layer').hide();
}
//跳转广告方法
function redirectUrlToActive(){
$('#globalAd').hide();
$('.layer').hide();
}
/*全局广告结束*/
</script>
</body></html>
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