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焦點(diǎn)圖不能實(shí)現(xiàn)輪播，哪位大神幫忙看一下

<!DOCTYPE?html>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>
<title>無標(biāo)題文檔</title>
<link?href="css.css"?rel="stylesheet"?type="text/css"?/>
????<script?src="http://demo.jb51.net/js/myfocus/content/templates/myfocus/js/myfocus-2.0.1.min.js"></script>
????<script?type="text/javascript">
????????myfocus.set({
????????????id:'picBox'
????????});
????</script>
</head>
<body>
<div?class="wrap">
??<div?class="logo">
??????<div?class="logo_left">
??????<img?src="素材/img/logo.jpg">
??????</div><!--logo_left結(jié)束-->
??????<div?class="logo_right">
??????<ul>
????????<li><a?href="#">首頁</a></li>
????????<li><a?href="#">產(chǎn)品特色</a></li>
????????<li><a?href="#">解決方案</a></li>
????????<li><a?href="#">產(chǎn)品價(jià)格</a></li>
????????<li><a?href="#">幫助中心</a></li>
????????<li><a?href="#">關(guān)于我們</a></li>
??????<ul>
????</div><!--logo_right結(jié)束-->
????<div?class="ad"?id="picbox">
??????<ul>
????????<li><img?src="http://img1.sycdn.imooc.com//53edad3e0001afad10000318.jpg"></li>
????????<li><img?src="http://img1.sycdn.imooc.com//53edad2c0001b61310000314.jpg"></li>
????????<li><img?src="http://img1.sycdn.imooc.com//53edad1600019ae910000310.jpg"></li>
??????</ul>
????</div><!--ad結(jié)束-->
??<div?class="newspic"></div><!--newspic結(jié)束-->
??<div?class="newscontent"></div><!--newscontent結(jié)束-->
</div><!--wrap結(jié)束-->
</body>
</html>

@charset?"utf-8";
/*?CSS?Document?*/
*{
?margin:0;
?padding:0;
?}
.wrap{
?width:1000px;
?margin:0?auto;
?}
.logo{
?height:80px;
?background-color:#FFF;
?}
.logo_left{
?width:200px;
?float:left
?}
.logo_right?li{
?float:left;
?width:100px;
?list-style-type:none;
?line-height:80px;
?text-align:center;
?}
.logo_right?li?a{
?display:block;
?font-size:16px;
?font-family:"微軟雅黑";
?text-decoration:none;
?color:#000;
?}
.logo_right?a:link,.logo_right?a:visited{
????color:?#000000;
????background-color:?#FFFFFF;
}
.logo_right?a:hover,.logo_right?a:active{
????color:#000;
????background-color:#900;
}
.ad{
?width:1000px;
?height:320px;
????overflow:hidden;
?margin:5px?0?20px?0;
?}