基于jQuery图片放大变小全屏切换焦点图

<div class="banner">    <ul class="banList">        <li class="active"><a href="http://sc.chinaz.com/"><img src="images/img1.jpg"/></a></li>        <li><a href="http://sc.chinaz.com/"><img src="images/img2.jpg"/></a></li>        <li><a href="http://sc.chinaz.com/"><img src="images/img3.jpg"/></a></li>    </ul>    <div class="fomW">        <div class="jsNav">            <a href="javascript:;" class="trigger current"></a>            <a href="Javascript:;" class="trigger"></a>            <a href="javascript:;" class="trigger"></a>        </div>    </div></div>     <script type="text/javascript"> $(function(){    $(".banner").swBanner();});</script>