.slider{
z-index:125px;
}	
.slider ul, .slider li{
	margin:0;
	padding:0;
	list-style:none;
	}
	img{
	border:none;
	}
.slider li{ 
	width:720px;
	height:480px;
	overflow:hidden; 
	}	
#prevBtn, #nextBtn{ 
	display:block;
	width:30px;
	height:77px;
	position:absolute;
	left:-30px;
	top:71px;
	}	
#nextBtn{ 
	left:647px;
top:380px;
	}		

#prevBtn{

	left:25px;
	top:380px;
	}
#prevBtn a, #nextBtn a{  
	display:block;
	width:98px;
	height:32px;
	background:url(../images/btn_prev.png) no-repeat 0 0;	

	}	
#nextBtn a{ 
	display:block;
	width:98px;
	height:32px;
	background:url(../images/btn_next.png) no-repeat 0 0;	
	}