*{
	margin:0px;
	padding:0px;
}

ul{
	list-style-type:none;
}

.commonwidth{
	width:1000px;
}
.a5{
	width:1000px;
	height:270px;
	overflow:hidden;
	position:relative;
	border-top:none;
}
.a6{
	width:5000px;
	position:absolute;
	top:0;
	right:0;
}
.a5 ul li{
	float:left;
}
.prevas{margin-top:150px;cursor:pointer;}

.nextas{margin-top:150px;cursor:pointer;}