<!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=utf-8" />
<title>js无缝滚动制作</title>
</head>
<body>
<style type="text/css">
*{margin:0;padding:0;list-style-type:none;font-size:12px;}
a,img{border:0;}
.scroll{height:300px;width:500px;}
.scroll p{line-height:20px;padding:5px 0;}
.scroll p a{color:#3366cc;text-decoration:none;}
</style>
<script type="text/javascript">
function addEventSimple(obj,evt,fn){
if(obj.addEventListener){
obj.addEventListener(evt,fn,false);
}else if(obj.attachEvent){
obj.attachEvent('on'+evt,fn);
}
}
addEventSimple(window,'load',initScrolling);
var scrollingBox;
var scrollingInterval;
var reachedBottom=false;
var bottom;
function initScrolling(){
scrollingBox = document.getElementById('xst');
scrollingBox.style.overflow = "hidden";
scrollingInterval = setInterval("scrolling()",50);
scrollingBox.onmouseover = over;
scrollingBox.onmouseout = out;
}
function scrolling(){
var origin = scrollingBox.scrollTop++;
if(origin == scrollingBox.scrollTop){
if(!reachedBottom){
scrollingBox.innerHTML+=scrollingBox.innerHTML;
reachedBottom=true;
bottom=origin;
}else{
scrollingBox.scrollTop=bottom;
}
}
}
function over(){
clearInterval(scrollingInterval);
}
function out(){
scrollingInterval = setInterval("scrolling()",50);
}
</script>
<div class="scroll" id="xst">
<p><a href="#">skksdghkdhgbkjdgbk</a></p>
<p><a href="#">11111111111111111111111111111</a></p>
<p><a href="#">11111111111111111111111111111</a></p>
<p><a href="#">skksdghkdhgbkjdgbk</a></p>
<p><a href="#">11111111111111111111111111111</a></p>
<p><a href="#">11111111111111111111111111111</a></p>
<p><a href="#">skksdghkdhgbkjdgbk</a></p>
<p><a href="#">11111111111111111111111111111</a></p>
<p><a href="#">skksdghkdhgbkjdgbk</a></p>
</div>
</body>