.banner{width:315px; height:235px; left:0; top:0; border:1px solid #ccc; overflow:hidden; position:relative; float:left;}
.banner_ul{position:absolute; height:235px; width:5000px;}
.banner_ul img{margin-top:-10px;}
.banner_ul li{float:left;}
.banner_num{position:absolute; right:0; bottom:8px;}
.banner_num li{float:left; background:url(../images/num.gif) no-repeat center; width:18px; height:18px; margin-right:8px; text-align:center; line-height:18px; color:#fff; cursor:pointer;}
.num_on{background:url(../images/num_on.gif)!important;}