.mainbox{overflow:hidden;position:relative;}
.flashbox{overflow:hidden;position:relative;}
.imagebox{text-align:right;position:relative;z-index:999;}
.filterbox{
    text-align:left;position:relative;z-index:888;background:rgba(0,0,0,0.4) none repeat scroll !important;background:#000; filter:Alpha(opacity=40);
    color:#fff;height:20px;font-size:12px;line-height:20px;
}
.textbox{float:left;font-size:12px;color:#fff;text-align:left;}
.bitdiv{display:inline-block;width:14px;height:14px;margin:0 10px 10px 0px;cursor:pointer;float:right;background-repeat:no-repeat;}
.defimg{background-image:url(02.png);
       _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../js/pptBox/02.png');  
	   _background-image: none; 
  }
.curimg{background-image:url(01.png);
	   _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../js/pptBox/01.png');  
	   _background-image: none;
}