#AdBlock {
	overflow: hidden;
	position: relative;
	width: 460px;
	}
	
#slideshowitem1 {
	position: absolute;
	display: block;
	top: 30px;
	left: 0;
	z-index: 1;
	background: #fff;
	width: 460px;
	height: 200px;
	}
	
#slideshowitem2 {
	position: absolute;
	display: none;
	top:30px;
	left:0;
	z-index: 999;
	background: #fff;
	width: 460px;
	height: 200px;
	}