.mainbox{
    overflow:hidden;
    position:relative;
}
.flashbox{
   overflow:hidden;
    position:relative;
}
.imagebox{
    text-align:right;position:relative;z-index:999; background: rgba(0,0,0,0.6);  height: 40px!important; line-height: 40px; top:-40px!important;
}

.bitdiv{display:inline-block;width:18px;height:18px;margin:10px 10px 10px 0px;cursor:pointer;float:right;z-index: 100;}
.bitdiv p{ position: absolute; left: 0; top:0; color: #FFFFFF; text-align: left; padding:0 10px; z-index: 50;}
.defimg{background-image:url(../images/02.png)}
.defimg p{ display: none;}
.curimg{background-image:url(../images/01.png)}
.curimg p{ display: block;}