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) {
		menu_map_showroom = newImage("http://www.toastagency.com/images/menu_showroom.jpg");
		menu_map_artists = newImage("http://www.toastagency.com/images/menu_artists.jpg");
		menu_map_toasties = newImage("http://www.toastagency.com/images/menu_toasties.jpg");
		preloadFlag = true;}}