<!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>一个Banner广告收缩效果</title>
<style type="text/css">
*{margin:0; padding:0;}/*为了方便 直接这样重置了*/
#main{margin:0 auto; 960px;}
#banner{display:none; margin:0 auto; 960px; height:160px; background:url(http://www.codefans.net/jscss/demoimg/201107/banner.png) no-repeat; position:relative;}
#close{display:block; 50px; height:22px; text-align:center; line-height:22px; border:1px #ddd solid; background:#000; color:#fff; font-size:12px; float:right; cursor:pointer;}
</style>
<script type="text/javascript" src="http://www.codefans.net/ajaxjs/jquery1.3.2.js"></script>
<script type="text/javascript">
$
(
function()
{
$("#banner").slideDown();
var Up=function(){$("#banner").slideUp(1500)}
setTimeout(Up,3000);
$("#close").click
(
function()
{
$("#banner").slideToggle
(
600,function()
{
if($("#banner").css("display") == "none")
{
$("#close").text("打开");
}
else
{
$("#close").text("关闭");
}
}
);
}
);
}
);
</script>
</head>
<body>
<div id="main">
<div id="banner"></div>
<span id="close">关闭</span>
</div>
</body>
</html>