.mainbox{
    overflow:hidden;
    position:relative;
	max-height: 277px;
}
.flashbox{
   overflow:hidden;
    position:relative;
	max-height: 260px;
}
.imagebox{
text-align: right;
position: relative;
z-index: 999;
padding-right: 10px;
margin-left: auto;
background-image: linear-gradient(to left,rgba(0,0,0,.5),rgba(0,0,0,.0));
}
.bitdiv{
display: inline-block;
width: 18px;
height: 18px;
margin: 3px 1px;
cursor: pointer;
float: right;
}
.defimg{background-image:url(../img/02.png)}
.curimg{background-image:url(../img/01.png)}