代码：
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>QQ客服悬浮特效代码_www.jb51.net</title>
</head>
<body style="height:2000px;">
<script type="text/javascript">
window.onload = window.onresize = window.onscroll = function ()
{
var oBox = document.getElementById("qqbox_zzjs");
var oLine = document.getElementById("online_lanrenzhijia");
var oMenu = document.getElementById("menu_zzjs_net");
var iScrollTop = document.documentElement.scrollTop || document.body.scrollTop;
setTimeout(function ()
{
clearInterval(oBox.timer);
var iTop = parseInt((document.documentElement.clientHeight - oBox.offsetHeight)/2) iScrollTop;
oBox.timer = setInterval(function ()
{
var iSpeed = (iTop - oBox.offsetTop) / 8;
iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed);
oBox.offsetTop == iTop ? clearInterval(oBox.timer) : (oBox.style.top = oBox.offsetTop iSpeed "px");
}, 30)
}, 100)
oBox.onmouseover = function ()
{
this.style.width = 131 "px";
oLine.style.display = "block";
oMenu.style.display = "none";
};
oBox.onmouseout = function ()
{
this.style.width = '';
oLine.style.display = "none";
oMenu.style.display = "block";
};
};
document.write("<style>img{border:0;}ul,li{padding:0;margin:0;}.box_lanrenzhijia {z-index:99;right:0;width:128px;height:195px;position:absolute;}.box_lanrenzhijia .press{right:0;width:36px;cursor:pointer;position:absolute;height:128px;}.box_lanrenzhijia .zzjs_net_list{left:0;width:131px;position:absolute;height:195px;background:url(images/20120321lanrenzhijia_1.gif) no-repeat left center;}.box_lanrenzhijia .zzjs_net_list ul{padding:37px 0 0 21px;}.box_lanrenzhijia .zzjs_net_list li{height:26px;margin-bottom:3px;_margin-bottom:3px; list-style-type:none;}</style><div class=\"box_lanrenzhijia\" id=\"qqbox_zzjs\"><div class=\"zzjs_net_list\" id=\"online_lanrenzhijia\" style=\"display:none;\"><ul><li><a href=\"http://wpa.qq.com/msgrd?V=1&Uin=123456789&Site=Devmax&Menu=yes\"><img src=\"images/20111126lanrenzhijia_3.gif\" alt=\"Devmax一号客服\"></a></li><li><a href=\"http://wpa.qq.com/msgrd?V=1&Uin=123456789&Site=Devmax&Menu=yes\"><img src=\"images/20111126lanrenzhijia_3.gif\" alt=\"Devmax二号客服\"></a></li><li><a href=\"http://wpa.qq.com/msgrd?V=1&Uin=123456789&Site=Devmax&Menu=yes\"><img src=\"images/20111126lanrenzhijia_3.gif\" alt=\"Devmax三号客服\"></a></li><li><a href=\"http://wpa.qq.com/msgrd?V=1&Uin=123456789&Site=Devmax&Menu=yes\"><img src=\"images/20111126lanrenzhijia_3.gif\" alt=\"Devmax四号客服\"></a></li><li><a href=\"http://wpa.qq.com/msgrd?V=1&Uin=123456789&Site=Devmax&Menu=yes\"><img src=\"images/20111126lanrenzhijia_3.gif\" alt=\"Devmax五号客服\"></a></li></ul></div><div id=\"menu_zzjs_net\"><img src=\"images/20111126lanrenzhijia_4.gif\" class=\"press\" alt=\"在线客服\"></div></div>");
</script>
</body>
</html>