/* advbox */
*html,*html body{background-image:url(about:blank);background-attachment:fixed;}
*html .advbox{position:absolute;top:expression(eval(document.documentElement.scrollTop));}
.advbox{width:650px;position:fixed;display:none;left:50%;top:0;margin:-215px 0 0 -425px;    z-index: 20;font:12px/180% "微软雅黑",Arial, Helvetica, sans-serif;}
.advbox .advpic{position:relative;height:400px;overflow:hidden;}
.advbox .advpic .closebtn{display:block;width:60px;height:22px;line-height:26px;font-size:12px;color:#fff;text-indent:12px;overflow:hidden;position:absolute;right:12px;top:5px;z-index:99;}