.mainbox{ overflow:hidden;  position:relative;}
.flashbox{ overflow:hidden;  position:relative;}
.imagebox{ text-align:right;position:relative;z-index:999;}
.bitdiv{display:inline-block;width:12px;height:12px;margin:0 10px 10px 0px;cursor:pointer;float:right;}
.defimg{background-image:url(../images/02.png); background-size:100% 100%;}
.curimg{background-image:url(../images/01.png); background-size:100% 100%;}