.mainbox{
    overflow:hidden;
    position:relative;
}
.flashbox{
   overflow:hidden;
    position:relative;
}
.imagebox{
    text-align:right;position:relative;z-index:999;
}

.bitdiv{display:inline-block;width:11px;height:11px;margin:0px 10px 10px 0px;cursor:pointer;float:right;}
.defimg{background-image:url(../banner/02.png); background-repeat:no-repeat;}
.curimg{background-image:url(../banner/01.png);background-repeat:no-repeat;}