                        课程
                    
                        /前端开发
                        
                            /HTML/CSS
                        
                        /企业网站综合布局实战

没有轮播效果，请问是哪里错了

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>企业网站实践</title>
<link rel="stylesheet" type="text/css" href="css/mukewangcss.css">
    <script type="text/javascript" scr="js/setHomeSetFav.js"></script>
    <script type="text/javascript" scr="js/myfocus-2.0.1.min.js"></script>
    <script type="text/javascript" scr="js/mf-pattern/mF_YSlider.js"></script>
    <link rel="stylesheet" type="text/css" href="js/mf-pattern/mF_YSlider.css">
    <script type="text/javascript">
     myFocus.set({
     id:'adBox'
     });
    </script>
</head>
<body>
<div id="top">
<div id="top_content">
<ul>
<li><a href="javascript:;">联系我们</a></li>
<li><a href="javascript:;" onclick="AddFavorite(window.location, document.title)">加入收藏</a></li>
<li><a href="javascript:;" onclick="SetHome(window.location)">设为首页</a></li>
</ul>
</div>
</div><!--#top结束-->
<div id="wrap">
<div id="logo">
<div id="logo_left">
<img src="images/logo.jpg" alt="慕课网">
</div>
<div id="logo_right">
<img src="images/tel.jpg" alt="服务热线">24小时服务热线：<span>123-456-7890</span>
</div>
</div><!--#logo结束-->
<div id="nav">
<div id="nav_left">
<ul>
<li><a href="javascript:;">首页</a></li>
<li><a href="javascript:;">关于慕课</a></li>
<li><a href="javascript:;">新闻动态</a></li>
<li><a href="javascript:;">课程中心</a></li>
<li><a href="javascript:;">在线课程</a></li>
<li><a href="javascript:;">人才招聘</a></li>
</ul>
</div><!--#nav_left结束-->
<div id="nav_right">
<form method="POST" action="">
<input type="text"/>
<button><img src="images/search.jpg"></button>
</form>
</div><!--#nav_right结束-->
</div><!--#nav结束-->
<div id="adBox">
  
<div>
<ul>
<li><img src="images/add2.jpg"></li>
<li><img src="images/add3.jpg"></li>
<li><img src="images/add4.jpg"></li>
</ul>
</div>
</div>
</div><!--#wrap结束-->
</body>
</html>

@charset"UTF-8";
*{
	margin: 0;
	padding: 0;
}
body{
	background-color: #f5f5f5;
	font-size: 12px;
}
#top{
	height: 27px;
	background-image:url(../images/top_bg.jpg) repeat-x;
}
#top_content{
    width: 1000px;
    height: 27px;
    line-height: 27px;
    margin: 0 auto;
}
#top_content li{
	list-style-image:url(../images/li_bg.gif);
	margin-right: 20px;
	float: right; 
}
#top_content a:link,
#top_content a:visited{
   color: #8e8e8e;
   text-decoration: none;
}
#top_content a:hover,
#top_content a:active{
	color: #900;
}
#wrap{
	width: 1000px;
	margin: 0 auto;
}
#logo{
	height: 80px;
	background-color: #fff;
}
#logo_left{
	width: 200px;
	float: left;
}
#logo_right{
	width: 300px;
	height: 30px;
	
	float: right;
	margin-top: 28px;
	color: #8e8e8e;
	

}
#logo_right img{
	vertical-align: middle;
    margin-right: 10px;
}
#logo_right span{

	font-family: "微软雅黑";
	font-size:16px;
	color: #c00;
}
#nav{
	height: 40px;
	background: #786E64;
	border-radius: 10px;
	position: relative;
}
#nav_left{
	position: absolute;
	left: 10px;
	width: 680px;
	height: 40px;

}
#nav_right{
	position: absolute;
	right: 10px;
	width: 300px;
}
#nav_left li{
	float: left;
	list-style: none;
	width: 100px;
	height: 40px;
	line-height: 40px;
	text-align: center;

}
#nav_left a:link,
#nav_left a:visited{
	text-decoration: none;
	color: #fff;
	font-family: "微软雅黑";
	font-size: 16px;
}
#nav_left a:hover,
#nav_left a:active{
	color: #ff0; 
}
#nav_right .search{
	display: inline-block;
	background: #fff;
	margin-top: 7px;

}
#nav_right .search_text{
	width: 165px;
	height: 25px;
	line-height: 25px;
	outline: none;
	border: none;
	float: left;
}
#nav_right .search_button{
	width: 25px;
	height: 21px;
	border: none;
	float: left;
}
#adBox{
	height: 310px;
	width: 1000px;
	overflow: hidden;
}