//document.domain = "baunetz.de"
function swap(id) {

	if (top.WERBUNG) {
	
		advert = "/werbung/fuss" + id.toString() + ".php";

		top.WERBUNG.location.replace(advert);
		/*
		//check if nav3 or ie4 and higher, in this case location.replace 
		//is used back button will not be override
		if ((top.is.nav3)||(top.is.nav4up)||(top.is.ie4up)) {
			top.WERBUNG.location.replace(advert);
		}
		//else location.href is used
		else {
			top.WERBUNG.location = advert;
			
		}
		*/
	}
}