/* image replacement */
       #prevBtn, #nextBtn{
            margin:0;
            padding:0;
            display:block;
            overflow:hidden;
            text-indent:-9000px;
            }
    /* // image replacement */

#slider{}	
#slider ul, #slider li{
	margin:0;
	padding:0;
	list-style:none;
	}
#slider li{ 
	width:581px;
	height:317px;
	overflow:hidden; 
	}	
#prevBtn, #nextBtn{ 
	display:block;
	width:28px;
	height:36px;
	position:absolute;
	left:-7px;
	top:114px; 
	}	
#nextBtn{ 
	left:559px;
	}														
#prevBtn a, #nextBtn a{  
	display:block;
	width:28px;
	height:36px; 
	background:url(../images/leftar.png) no-repeat 0 0;
	}	
#nextBtn a{ 
	background:url(../images/rightar.png) no-repeat 0 0;	
	}