#lan_ad {/*栏目页右边广告样式*/
 width: 200px;
 margin-top: 5px;
}
#cont #navad #lan_ad img {/*栏目页右边图片广告样式*/
 display: inline;
 margin-top: 5px;
}

<div id="lan_ad"> <script language=javascript src=/plus/Advertise.asp?i=73></script> </div>