function checkWallpaper() {
	var offsHeight = 43;
	if (typeof(adtype) != 'undefined') {
		if (adtype == 'expwallpaper') {
			document.getElementById("banner").style.paddingTop = "0";
			offsHeight = 0;
		}
	}
	if (typeof(bgcolor) != 'undefined' && bgcolor != null) {
		document.body.style.backgroundColor = bgcolor;
		document.getElementById("banner").style.backgroundColor = bgcolor;
		document.getElementById("banner").style.height = (document.getElementById("sitecontainer").offsetHeight-90-offsHeight) + "px";
	}
}