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找到一个完全兼容IE，Firfox，Opera三个浏览器的向上滚动代码，放到这里与大家共享，点击下面的运行即可以看到效果。
[code]
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>21Andy.com – 兼容IE和FireFox的间隔滚动代码</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<style type="text/css">
<!–
body {
text-align:center;
}
#andyscroll {
overflow: hidden;
background: #E8F8F8;
padding: 0 10px;
text-align: left;
width:400px;
height:100px;
overflow:hidden;
}
#andyscroll a {
font:12px/18px tahoma;
color: #000;
float:left;
width:100%;
text-decoration: none;
display:block;
}
#andyscroll a:hover {
font:12px/18px tahoma;
color: #F60;
}
–>
</style>
</head>
<body>
<div id="andyscroll">
<div id="scrollmessage">
<a href="#">完全兼容IE, FF, Opera, 其它的还未经测试……</a>
<a href="#">代码来自互联网，我只不过稍加整理，希望大家多提意件……</a>
<a href="#">完全兼容IE, FF, Opera, 其它的还未经测试……</a>
<a href="#">代码来自互联网，我只不过稍加整理，希望大家多提意件……</a>
<a href="#">完全兼容IE, FF, Opera, 其它的还未经测试……</a>
<a href="#">代码来自互联网，我只不过稍加整理，希望大家多提意件……</a>
<a href="#">完全兼容IE, FF, Opera, 其它的还未经测试……</a>
<a href="#">代码来自互联网，我只不过稍加整理，希望大家多提意件……</a>
<a href="#">完全兼容IE, FF, Opera, 其它的还未经测试……</a>
<a href="#">代码来自互联网，我只不过稍加整理，希望大家多提意件……</a>
<a href="#">完全兼容IE, FF, Opera, 其它的还未经测试……</a>
<a href="#">代码来自互联网，我只不过稍加整理，希望大家多提意件……</a>
</div>
</div>
<script type="text/javascript">
<!–
var stopscroll = false;
var scrollElem = document.getElementById("andyscroll");
var marqueesHeight = scrollElem.style.height;
scrollElem.onmouseover = new Function(‘stopscroll = true’);
scrollElem.onmouseout = new Function(‘stopscroll = false’);
var preTop = 0;
var currentTop = 0;
var stoptime = 0;
var leftElem = document.getElementById("scrollmessage");
scrollElem.appendChild(leftElem.cloneNode(true));
init_srolltext();
function init_srolltext(){
scrollElem.scrollTop = 0;
setInterval(‘scrollUp()’, 25);//的面的这个参数25, 是确定滚动速度的, 数值越小, 速度越快
}
function scrollUp(){
if(stopscroll) return;
currentTop += 2; //设为1, 可以实现间歇式的滚动; 设为2, 则是连续滚动
if(currentTop == 19) {
stoptime += 1;
currentTop -= 1;
if(stoptime == 180) {
currentTop = 0;
stoptime = 0;
}
}else{
preTop = scrollElem.scrollTop;
scrollElem.scrollTop += 1;
if(preTop == scrollElem.scrollTop){
scrollElem.scrollTop = 0;
scrollElem.scrollTop += 1;
}
}
}
//–>
</script>
</body>
</html>
[/code]
