.clearfix{display:block;clear:both;}
.clearfix{*zoom:1;}
.clearfix:after{display:block; overflow:hidden;clear:both;height:0;visibility:hidden;content:".";}

#playdiv {width:1000px;text-align:center;position:relative;overflow:hidden;margin:5px auto;}
#playdiv .change_a {width:50%;height:100%;position:absolute;top:0;z-index:1;cursor:pointer;display:block;overflow:hidden;background:url(about:blank);}
#playdiv .prev_a {left:0;}
#playdiv .next_a {right:0}
#playdiv .change_a span {width:24px;height:43px;display:block;position:absolute;top:50%;margin-top:-21px;display:none}
#playdiv .prev_a span {background:url(../images/s_gallery_2012110702.png) no-repeat 0px -50px;left:0;}
#playdiv .next_a span {background:url(../images/s_gallery_2012110702.png) no-repeat -30px -50px;right:0;}
#playdiv .img_ul {position:relative;z-index:1;}

.img_hd  {width:920px;border-top:1px solid #ccc;border-bottom:1px solid #ccc;background-color:#eee;overflow:hidden;height:66px;padding:10px 0;margin-top:15px;margin:5px auto;position:relative;}
.img_hd ul {position:absolute;z-index:1}
.img_hd ul li {float:left;width:80px;height:60px;border:3px solid #eee;cursor:pointer;margin:0 3px 0 1px;overflow:hidden;*display:inline;padding:1px;text-align:center}
.img_hd ul li img {height:60px;}
.img_hd ul li.on{ border-color:rgb(45, 150, 233);}
.img_hd .bottom_a {background:url(../images/s_gallery_2012110702.png) no-repeat;width:22px;height:22px;position:absolute;display:block;top:50%;margin-top:-11px;cursor:pointer;z-index:10}
.img_hd .prev_a { background-position:0 -24px;left:5px;}
.img_hd .next_a { background-position:-30px -24px;right:5px;}