Jquery动画效果--地铁站名指示等效果

源码参考：源码爱好者--jQuery仿地铁线路指示灯效果，经修改和美化，特此记录一下。
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 <html xmlns="http://www.w3.org/1999/xhtml">

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

 <title>jquery Light</title>

 <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>

 <script type="text/javascript">

 $(document).ready(function(){

             var index=0;

             setInterval(function(){

                 $('ul.in li').eq(index++).addClass("hover").siblings().removeClass("hover");

                 if(index>12){

                     $('.lightName span').text("站点名"+1);

                 }else{

                     $('.lightName span').text("站点名"+index);

                 }

                 if(index==13){

                     index=0;

                     $("ul.in li").eq(index++).addClass("hover").siblings().removeClass("hover");

                 }

             },800)

     })

 </script>

 <style type="text/css">

 .lightbox{

     position:relative;

     height:30px;

     padding-top:100px;

     width:960px;

     margin:0 auto;

 }

 .lightbg{

     height:2px;

     background:red;

     position:absolute;

     left:0;

     top:50%;

     margin-top:-1px;

     width:960px;

 }

 .lightbox ul.out{

     zoom:1;

     margin:0 auto;

     padding:0;

     width:960px;

     height:20px;

     position:absolute;

     left:0;

     top:50%;

     margin-top:-20px;

 }

 .lightbox ul.in{

     zoom:1;

     margin:0 auto;

     padding:0;

     width:9600px;

     height:20px;

     position:absolute;

     left:0;

     top:50%;

     margin-top:-15px;

 }

 .lightbox ul.in li{

     list-style-type:none;

     float:left;

     width:30px;

     height:30px;

     border-radius:100%;

     background:#69f;

     margin:0 25px;

     text-indent:-999em;

 }

 .lightbox ul.out li{

     list-style-type:none;

     float:left;

     width:40px;

     height:40px;

     border-radius:100%;

     background:#ccc;

     margin:0 20px;

     text-indent:-999em;

 }

 .lightbox ul.in li.hover{

     background:red;

 }

 h1{

     text-align:center;

 }

 .lightName span{

     margin:auto;

     margin-left:400px;

     margin-top:30px;

     font-size:50px;

 }

 </style>

 </head>

 <body>

     <h1>jquery Light</h1>

     <div class="lightbox">

         <div class="lightbg"></div>

         <ul class="out">

             <li>0</li>

             <li>1</li>

             <li>2</li>

             <li>3</li>

             <li>4</li>

             <li>5</li>

             <li>6</li>

             <li>7</li>

             <li>8</li>

             <li>9</li>

             <li>10</li>

             <li>11</li>

         </ul>

         <ul class="in">

             <li>0</li>

             <li>1</li>

             <li>2</li>

             <li>3</li>

             <li>4</li>

             <li>5</li>

             <li>6</li>

             <li>7</li>

             <li>8</li>

             <li>9</li>

             <li>10</li>

             <li>11</li>

         </ul>

         <div class="lightName">

             <span></span>

         </div>

     </div>

 </body>

 </html>
jquery Light