* {
	margin: 0px;
	padding: 0px;
	list-style: none;
}
#ad_box {
	width: 1000px;
	height: 100px;
	background: #fff;
	margin: 0 auto;
	position: relative;
	overflow: hidden;
	z-index: 5000;
}
#ad_list {
	position: absolute;
	left: 0;
	top: 0;
}
#ad_list li {
	width: 1000px;
	height: 100px;
	cursor: pointer;
}
#ad_num {
	position: absolute;
	right: 10px;
	bottom: 10px;
}
#ad_num li {
	width: 16px;
	height: 16px;
	float: left;
	margin-right: 2px;
	color: #fff;
	cursor: pointer;
	font-size: 12px;
	font-family: 'arial';
	line-height: 16px;
	text-align: center;
	border: 1px solid #fff;
}
.ad_active {
	background: #ff6600;
}