敲完第一部分next不移动图片
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>图片焦点轮播</title>
<link rel="stylesheet" type="text/css" href="gundong.css">
<script type="text/javascript" src="gundong.js"></script>
</head>
<body>
<div id="container">
<div id="list" style="left:-600px;">
<img src="images/tupian5.png" width="600px"height="300px"alt=""/>
<img src="images/tupian1.png" width="600px"height="300px"alt=""/>
<img src="images/tupian2.png" width="600px"height="300px"alt=""/>
<img src="images/tupian3.png" width="600px"height="300px"alt=""/>
<img src="images/tupian4.png" width="600px"height="300px"alt=""/>
<img src="images/tupian5.png" width="600px"height="300px"alt=""/>
<img src="images/tupian1.png" width="600px"height="300px"alt=""/>
</div>
<div id="buttons">
<span index="1"></span>
<span index="2" ></span>
<span index="3" ></span>
<span index="4" ></span>
<span index="5" ></span>
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<a href="" id="prev"><</a>
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