跨帧结构无限级菜单

解释地址 写点东西不容易啊 真的就这么杯具了 杯具啊 杯具的菜单 body{margin:0px; padding:0px; font-size:12px;} *{margin:0; padding:0;} .de{ background-image:url(http://paui.52done.cn/demos/menu/images/nav_bg.gif);} #demo1{list-style:none; height:26px; cursor:pointer; background-image:url(http://paui.52done.cn/demos/menu/ima