function openImpressum() {
	window.open("impressum.html", "Impressum", "toolbar=0,location=0,directories=0,status=0,menubar=no,scrollbars=no,resizable=no,width=400,height=500");
}

function NewWindow (url,bez)
{
window.open(url,bez,'toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=no,resizable=no,width=700,height=272')
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		service_over = newImage("images/service-over.jpg");
		service_tour_over = newImage("images/service-tour_over.jpg");
		abschleppen_over = newImage("images/abschleppen-over.jpg");
		abschleppen_tour_over = newImage("images/abschleppen-tour_over.jpg");
		tour_over = newImage("images/tour-over.jpg");
		kontakt_tour_over = newImage("images/kontakt-tour_over.jpg");
		kontakt_over = newImage("images/kontakt-over.jpg");
		preloadFlag = true;
	}
}