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) {
		uioe_over = newImage("Bilder/uioe-over.jpg");
		ua_over = newImage("Bilder/ua-over.jpg");
		wirkstatt_over = newImage("Bilder/wirkstatt-over.jpg");
		integration_over = newImage("Bilder/integration-over.gif");
		cst_over = newImage("Bilder/cst-over.gif");
		therapeut_over = newImage("Bilder/therapeut-over.gif");
		vm_over = newImage("Bilder/vm-over.gif");
		patient_over = newImage("Bilder/patient-over.gif");
		weiterbildung_over = newImage("Bilder/weiterbildung-over.gif");
		or_over = newImage("Bilder/or-over.gif");
		liste_over = newImage("Bilder/liste-over.gif");
		mns_over = newImage("Bilder/mns-over.gif");
		preloadFlag = true;
	}
	
}