注意：图片的路径和图片的名字要改成1.jpg/2.jpg/3.jpg等格式，根据数组下标进行查询，亲测有效
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
body,div,ul,li,img{
margin: 0px;
padding: 0px;
}
#menu{
width: 496px;
margin: auto;
}
#head{
border: 1px solid blue;
}
#head img{
width: 100%;
height: 300px;
}
#footer li{
list-style-type: none;
float: left;
border: 1px solid red;
width: 60px;
text-align: center;
padding: 5px 0px;
}
</style>
</head>
<body>
<div id="menu">
<div id="head">
<img src="img/1.jpg">
</div>
<div id="footer">
<ul>
<li onmouseover="showPic(1)">1</li>
<li onmouseover="showPic(2)">2</li>
<li onmouseover="showPic(3)">3</li>
<li onmouseover="showPic(4)">4</li>
<li onmouseover="showPic(5)">5</li>
<li onmouseover="showPic(6)">6</li>
<li onmouseover="showPic(7)">7</li>
<li onmouseover="showPic(8)">8</li>
</ul>
</div>
</div>
<script type="text/javascript">
var img = document.getElementsByTagName(‘img‘)[0];
var li = document.getElementsByTagName(‘li‘);
//图片轮播
function showPic(num){
img.src = ‘img/‘+num+‘.jpg‘;
console.log(num);
//当前序号显示高亮，被选中的
for(var i=0;i<8;i++){
li[i].style.background=‘‘;
}
li[num-1].style.background=‘blue‘;
}
</script>
</body>
</html>
原文：http://www.cnblogs.com/gjpup-00one/p/5052696.html