仿新浪滑屏大图广告定时收缩为小banner图片广告代码

时间：2014-03-09 22:24 来源：互联网作者：源码搜藏浏览：次收藏挑错推荐打印

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery顶部大图定时缩为小广告可关闭代码</title>
<style>
body{ margin:0; padding:0;}
img{ border:0}
.root1200{ width:1200px; height:100px; margin:0 auto; overflow:visible}
.wrapper em{ width:40px; height:15px; float:left; color:#FFF; font-size:12px; font-family:Verdana, Geneva, sans-serif;background:#333; margin:0 0 -20px 10px; padding:2px 5px 2px 10px; z-index:999; position:absolute; top:10px;}
</style>
<script language="javascript" src="http://www.codefans.net/ajaxjs/jquery1.3.2.js"></script>
</head>
<body>
<script type="text/javascript">
/*
* 宽窄屏切换
* */
var bigscreen = false;
if ( screen.width>=1200 ) {
bigscreen = true;
var bodyTag = document.getElementsByTagName("body")[0],
bodyClassName = bodyTag.getAttribute("className") || bodyTag.getAttribute("class");
bodyClassName = bodyClassName ? bodyClassName+" " : "";
bodyTag.className = bodyClassName+"root1200";
}
</script>
<div class="wrapper" id="snActive-wrap"> 
<em title="关闭广告">Close</em>
<a target="_blank" name="redbaby_none_ggw_dt01" title="小图" href="/"></a>
<a target="_blank" name="redbaby_none_ggw_dt01" title="大图"   href="/"></a>
</div>
 
<script type="text/javascript">
~function (){
var snActive = window.snActive = document.getElementById("snActive-wrap"),
a = snActive.getElementsByTagName("a"),
h = 0, w, imgSrc = [];
if (bigscreen){
w = 1190;
imgSrc[0] = "http://www.codefans.net/jscss/demoimg/201402/1390124030537_1200.jpg";// 40
imgSrc[1] = "http://www.codefans.net/jscss/demoimg/201402/1390124049068_1200.jpg";//  500
} else {
w = 990;
imgSrc[0] = "http://www.codefans.net/jscss/demoimg/201402/1390124028186.jpg";// 40
imgSrc[1] = "http://www.codefans.net/jscss/demoimg/201402/1390124043025.jpg";//  500
}
snActive.style.overflow = 'hidden';
a[0].style.display = "none";
a[0].innerHTML += '<img width="' + w + '" height="40" src="' + imgSrc[0] + '" style="display:block" />';
if(a[1]){
a[1].innerHTML += '<img width="' + w + '" height="500" src="' + imgSrc[1] + '" style="display:block" />';
}
}();
//关闭通栏广告
var snActive = $(snActive),
hideImg = snActive.find('a:hidden'),
em = snActive.find("em");
timeout = !1;
if(hideImg[0]) {
timeout = setTimeout(function(){
snActive.animate({height:40},600,function(){
hideImg.siblings('a:visible').hide();
hideImg.show();
em.show().live("click",function(){
snActive.slideUp(300);
});
});
}, 3000)
}
</script>
<div style="text-align:center;clear:both">
</div>
</body>
</html>

仿新浪滑屏大图广告定时收缩为小banner图片广告代码

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