.banner300x250
{
	width: 300px;
	height: 250px;
	margin: 5px auto;
	border: 1px solid black;
	background-color: Yellow;
}
.banner468x60
{
	width: 468px;
	height: 60px;
	margin: 5px auto;
}
#banner8, #banner9
{
	width: 150px;
	height: 150px;
	border: 1px solid black;
	margin: 0 auto;
}

#halfbanner
{
	width: 234px;
	height: 60px;
	position: absolute;
	top: 45px;
	left: 260px;
	z-index: 30000;
	border: 1px solid black;
}