<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{margin:0;
padding:0;
list-style:none;}
.wrap{height:170px;
width:490px;
margin:60px auto;
overflow: hidden;
position: relative;
margin:100px auto;}
.wrap ul{position:absolute;}
.wrap ul li{height:170px;}
.wrap ol{position:absolute;
right:5px;
bottom:10px;}
.wrap ol li{height:20px; width: 20px;
background:#ccc;
border:solid 1px #666;
margin-left:5px;
color:#000;
float:left;
line-height:center;
text-align:center;
cursor:pointer;}
.wrap ol .on{background:#E97305;
color:#fff;}
</style>
<script type="text/javascript">
window.onload=function(){
var wrap=document.getElementById(‘wrap‘),
pic=document.getElementById(‘pic‘).getElementsByTagName(‘li‘),
list=document.getElementById(‘list‘).getElementsByTagName(‘li‘),
index=0,
timer=null;
timer = setInterval(autoPlay, 2000);
// 鼠标划过整个容器时停止自动播放
wrap.onmouseover = function () {
clearInterval(timer);
}
// 鼠标离开整个容器时继续播放至下一张
wrap.onmouseout = function () {
timer = setInterval(autoPlay, 2000);
}
// 定义并调用自动播放函数
function autoPlay(){
changePic(index);
index++;
if(index>=pic.length){
index=0;
}
}
// 定义图片切换函数
function changePic(index){
for(var i =0;i<pic.length;i++){
pic[i].style.display="none";
list[i].className=‘‘;
}
pic[index].style.display="block";
list[index].className=‘on‘;
}
// 遍历所有数字导航实现划过切换至对应的图片
for(var i=0;i<list.length;i++){
list[i].onmouseover=function(){
clearInterval(timer);
index=this.innerText-1;
changePic(index);
}
}
};
</script>
</head>
<body>
<div class="wrap" id=‘wrap‘>
<ul id="pic">
<li><img src="http://img.mukewang.com/54111cd9000174cd04900170.jpg" ></li>
<li><img src="http://img.mukewang.com/54111dac000118af04900170.jpg" ></li>
<li><img src="http://img.mukewang.com/54111d9c0001998204900170.jpg" ></li>
<li><img src="http://img.mukewang.com/54111d8a0001f41704900170.jpg" ></li>
<li><img src="http://img.mukewang.com/54111d7d00018ba604900170.jpg" ></li>
</ul>
<ol id="list">
<li class="on">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ol>
</div>
</body>
</html>
原文：http://www.cnblogs.com/fusheng-ruomeng/p/5850386.html