桂林网站建设
您的位置: 首页> javascript

我要叫喊

学习本类知识需要注意某些知识点,它们之间有些关联

      技术文档
      本站业务
      本类热点
  1. javascript ,js怎么...
  2. IE和Firefox的js...
  3. 如何防止Flash跨...
  4. agent.control 动作...
  5. Javascript技巧(...
  6. Javascript技巧(...
  7. 图片新闻,纯ja...
  8. 无间断滚动图片...
  9. 符合标准的正常...
  10. showModalDialog和...
符合标准的正常工作的对联广告

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>符合标准的正常工作的对联广告</title>
<script language="JavaScript" type="text/javascript">
lastScrollY=0;
function heartBeat(){
var diffY;
if (document.documentElement && document.documentElement.scrollTop)
 diffY = document.documentElement.scrollTop;
else if (document.body)
 diffY = document.body.scrollTop
else
    {/*Netscape stuff*/}
 
//alert(diffY);
percent=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
else percent=Math.floor(percent);
document.getElementById("lovexin12").style.top=parseInt(document.getElementById

("lovexin12").style.top)+percent+"px";
document.getElementById("lovexin14").style.top=parseInt(document.getElementById

("lovexin12").style.top)+percent+"px";

lastScrollY=lastScrollY+percent;
//alert(lastScrollY);
}
suspendcode12="<DIV id=\"lovexin12\" style='left:2px;POSITION:absolute;TOP:120px;'>ad1</div>"
suspendcode14="<DIV id=\"lovexin14\" style='right:2px;POSITION:absolute;TOP:120px;'>ad2</div>"
document.write(suspendcode12);
document.write(suspendcode14);
window.setInterval("heartBeat()",1);
</script>

<style type="text/css">
<!--
#lovexin12,#lovexin14{
   width:120px;
   height:250px;
   background-color:#e5e5e5;
   border:1px solid #ddd;
}
html,body{
  height:1000px;
  }
#mm{
  height:1000px;
  }
-->
</style>
</head>

<body>
<div id="mm">
</div>
</body>
</html>