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) {
		home_over = newImage("graphics/btn-home2.gif");
		rooms_over = newImage("graphics/btn-rooms2.gif");
		amen_over = newImage("graphics/btn-amen2.gif");
		attract_over = newImage("graphics/btn-attract2.gif");
		loc_over = newImage("graphics/btn-loc2.gif");
		pkg_over = newImage("graphics/btn-pkg2.gif");
		res_over = newImage("graphics/btn-res2.gif");
		preloadFlag = true;
	}
}

preloadImages();