.ad_container {
	position: relative;
}
.ad_container a {
	display: block;
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 2;
	background: url('../i/cl.gif');
	text-indent: -9999px;
	overflow: hidden;
}
.ad_container object {
	position: relative;
	z-index: 1;
}