<!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" lang="gb2312">
<head>
<title>网页顶部自动下拉/收缩广告代码（仿京东）</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<script type="text/javascript">
var intervalId = null;
function slideAd(id, nStayTime, sState, nMaxHth, nMinHth)
{
this.stayTime = nStayTime * 1000 || 3000;
this.maxHeigth = nMaxHth || 381;
this.minHeigth = nMinHth || 1;
this.state = sState || "down";
var obj = document.getElementById(id);
if (intervalId != null)
window.clearInterval(intervalId);
function openBox()
{
var h = obj.offsetHeight;
obj.style.height = ((this.state == "down") ? (h + 2) : (h - 2)) + "px";
if (obj.offsetHeight > this.maxHeigth)
{
window.clearInterval(intervalId);
intervalId = window.setInterval(closeBox, this.stayTime);
}
if (obj.offsetHeight < this.minHeigth)
{
window.clearInterval(intervalId);
obj.style.display = "none";
}
}
function closeBox()
{
slideAd(id, this.stayTime, "up", nMaxHth, nMinHth);
}
intervalId = window.setInterval(openBox, 10);
}
</script>
<style type="text/css">
#MyMoveAd {
overflow:hidden;
text-align: center;
height: 0px;
background-color: #AC010A;
background-image: url(ad.jpg);
background-repeat: no-repeat;
background-position: center center;
display: block;
}
</style>
</head>
<body>
<a href="#" id="MyMoveAd"> </a>
<br>
<br>
<h1 style="text-align:center"><a href="http://yuncode.net" target="_blank">更多源代码下载</a></h1>
<script type="text/javascript">
<!--
slideAd('MyMoveAd',3);
-->
</script>
</body>
</html>