<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
*{
margin:0;
padding:0;
border:0;
}
ul,ul li{
list-style:none;
}
#ac{
width:200px;
height:600px;
border:1px solid gray;
overflow:hidden;
margin:20px auto;
}
#ac img{
width:200px;
height:120px;
}
</style>
</head>
<body>
<div id="ac">
<ul>
<li><img src="images/1.jpg"></li>
<li><img src="images/2.jpg"></li>
<li><img src="images/3.jpg"></li>
<li><img src="images/4.jpg"></li>
<li><img src="images/5.jpg"></li>
<li><img src="images/6.jpg"></li>
</ul>
</div>
<script>
var a=document.getElementById('ac');
a.innerHTML+=a.innerHTML;
setInterval(function() {
if(a.scrollTop>732){
a.scrollTop=0;
}
document.title=a.scrollTop++;
},5);
</script>
</body>
</html>
