.mainbox{ overflow:hidden;  position:relative;}
.flashbox{ overflow:hidden; position:relative;}
.imagebox{text-align:left;position:relative;z-index:999;}
.bitdiv{display:inline-block;width:11px;height:11px;margin:-3px 12px 7px 0px;cursor:pointer; left:45%; position: relative;}
.defimg{background-image:url(/img/02.png)}
.curimg{background-image:url(/img/01.png)}