.mainbox{
    overflow:hidden;
    position:relative;

}
.flashbox{
   overflow:hidden;
    position:relative;
	 
}
.imagebox{
    text-align:center;position:relative;z-index:999; width:1342px;
}

.bitdiv{display:inline-block; width:18px; height:18px; margin:0px 15px 10px -10px;cursor:pointer;float:right;}
.defimg{background:url(../images/bnt1.png) no-repeat;}
.curimg{background:url(../images/bnt2.png) no-repeat;}