**
<!DOCTYPE html>
<html>
<head><meta charset="utf-8"> <title>在线尝试 Bootstrap 实例</title><link rel="stylesheet" href="css/bootstrap.min.css"> <script src="js/jquery.min.js"></script><style>
#nav { width:150px; height: 400px; border: 1px solid #D4CD49; position:fixed;right:0;top:25% }
#nav1 { width:25px;; height: 100px; border: 1px solid #D4CD49; position:fixed;right:0;top:25%;display:none;background-image:url(sidebar_bg.gif);background-position:-150px 0px;
}
#top{background-image:url(img/sidebar_bg.gif);width:150px; height:60px; background-position:-570px 0px;}
#yinc{background-image:url(img/sidebar_bg.gif);width:18px; height:18px; background-position:-46px -20px; float:right;margin:10px;}
#yinc:hover{background-position:-66px -20px;}</style>
<script>//隐藏大窗口显示小窗口function noneDiv(){$("#nav").hide(200);$("#nav1").show(200);}//隐藏小窗口显示大窗口function blockDiv(){$("#nav").show(200);$("#nav1").hide(200);}
</script>
</head>
<body><!-- 默认显示的浮窗 --><div id="nav"><div id="top"><div id="yinc" onclick="noneDiv();"></div></div><div><p> <a target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin=25633968210&site=qq&menu=yes"><img border="0" src="http://wpa.qq.com/pa?p=2:2563396821:41" alt="点击这里给我发消息" title="点击这里给我发消息"><span>客服1</span></a></p><p><a target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin=2563396821&site=qq&menu=yes"><img border="0" src="http://wpa.qq.com/pa?p=2:2563396821:41" alt="点击这里给我发消息" title="点击这里给我发消息"><span>客服2</span></a></p></div></div><!-- 小浮窗 --><div id="nav1" onclick="blockDiv();"></div>
</body>
</html>
下载这个demo:http://download.csdn.net/detail/askycat/9732164