.special_block {
    height:390px; 
    margin:20px 0px 2px 25px;
    overflow: hidden;
    position: relative;
   
}

.scroll-interval {
    float: left;
    list-style-type: none;
    margin: 0px;
    overflow: hidden;
    padding: 0px 10px 0px 10px;
    width: 285px; 
	height:385px;
}

.scroll-interval img{  position:relative; z-index:555; }

.prev {float: left; margin:-200px 0px  0px 10px; z-index:9999; position:absolute;}

.next { margin:-200px 10px  0px 0px; z-index:9999; float:right; position:relative;}