body { 
	margin:0;
	padding:0;
	overflow:hidden;
}
#commercial {
	position:absolute;
	top:100%;
	left:50%;
	margin-left:-364px;
	margin-top:2;
	border:2px solid #000000;
	border-bottom:0;
	width:770px;
	height:120px;
	background-color:#FFFFFF;
}
* html #commercial {
 	height:160px;
	width:780px;
}