#banner a{position:absolute;background:#FFF}
#banclick{position:absolute;height:30px;right:0; bottom:0}
#banclick span{float:left;width:17px;height:18px; display:block;background:#ccc;text-align:center;color:#FFF;cursor:pointer; margin-right:10px; color:#999;}
#banclick span.on{background:#f00; color:#FFF}
#banner{position:relative;overflow:hidden;margin-top:11px}