div#ad_320x250
{	
	display: none;
	position:absolute;
	left:675px;
	top:0px;
	width:300px;
	height:250px;
	z-index: 52;
}
div#game_content
{
	position: absolute;
	left:208px;
	top: 330px;
	width: 600px;
	z-index: 51;
	display: none;
}
div#ad_skyscraper
{
	display: none;
	position:absolute;
	left:795px;
	top:540px;
	width:160px;
	height:610px;
	z-index: 50;
}