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) {
		n_crew_over = newImage("graphics/n_crew-over.jpg");
		n_photos_over = newImage("graphics/n_photos-over.jpg");
		n_poster_over = newImage("graphics/n_poster-over.jpg");
		n_press_over = newImage("graphics/n_press-over.jpg");
		n_thankyou_over = newImage("graphics/n_thankyou-over.jpg");
		sub_n_contact_over = newImage("graphics/n_contact-over.jpg");
		sub_n_crew_over = newImage("graphics/sub_n_crew-over.gif");
		sub_n_photos_over = newImage("graphics/sub_n_photos-over.gif");
		sub_n_poster_over = newImage("graphics/sub_n_poster-over.gif");
		sub_n_press_over = newImage("graphics/sub_n_press-over.gif");
		sub_n_thank_over = newImage("graphics/sub_n_thank-over.gif");
		sub_n_contact_over = newImage("graphics/sub_n_contact-over.gif");
		preloadFlag = true;
	}
}