<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.11.3.js"></script>
</head>
<script type="text/javascript">
$(document).ready(function(){
$(".btn-slide").click(function(){
$("#panel").slideToggle("slow");
$(this).toggleClass("active"); return false;
});
});
</script>
<style type="text/css">
body { margin: 0 auto; padding: 0; width: 570px; font: 75%/120% Arial, Helvetica, sans-serif; }
a:focus { outline: none; }
#panel { background: #5BF7CC; height: 200px; display: none; }
.slide { margin: 0; padding: 0; border-top: solid 4px #F25D5C; }
.btn-slide { background: #F25D5C url(http://files.jb51.net/file_images/article/201212/20121225165932118.gif) no-repeat right -50px;; text-align: center; width: 144px; height: 31px; padding: 10px 10px 0 0; margin: 0 auto; display: block; font: bold 120%/100% Arial, Helvetica, sans-serif; color: #fff; text-decoration: none; }
.active { background-position: right 12px; }
</style>
</head>
<body>
<h1>演示不了 请刷新下</h1>
<div style="display: block;" id="panel">
<!-- you can put content here -->
</div>
<p class="slide"><a href="javascript:;" class="btn-slide active">点击试试</a></p>
</body>
</html>
