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(imageset) {
	if (document.images) {
		switch(imageset) {
		case("nav"):
		catering_over = newImage("/images/nav/catering_over.gif");
		company_information_over = newImage("/images/nav/company_information_over.gif");
		contact_us_over = newImage("/images/nav/contact_us_over.gif");
		employment_over = newImage("/images/nav/employment_over.gif");
		fazolis_card_over = newImage("/images/nav/fazolis_card_over.gif");
		franchise_information_over = newImage("/images/nav/franchise_information_over.gif");
		kids_only_over = newImage("/images/nav/kids_only_over.gif");
		locations_over = newImage("/images/nav/locations_over.gif");
		menu_over = newImage("/images/nav/menu_over.gif");
		copyright_legal_info_over = newImage("/images/footer/copyright_legal_info_over.gif");
		home_over = newImage("/images/footer/home_over.gif");
		privacy_policy_over = newImage("/images/footer/privacy_policy_over.gif");
		site_credit_over = newImage("/images/footer/site_credit_over.gif");
 		break;

		case("company_information"):
		history_over = newImage("/images/subnav/history_over.gif");
		press_releases_over = newImage("/images/subnav/press_releases_over.gif");
		our_culture_over = newImage("/images/subnav/our_culture_over.gif");
 		break;

		case("franchise_information"):
		franchise_requirements_over = newImage("/images/subnav/franchise_requirements_over.gif");
 		break;

		case("menu"):
		nutritional_information_over = newImage("/images/subnav/nutritional_information_over.gif");
 		break;
 		
 		case("fazolis_card"):
		order_cards_over = newImage("/images/subnav/order_cards_over.gif");
		check_your_balance_over = newImage("/images/subnav/check_your_balance_over.gif");
		shopping_cart_over = newImage("/images/subnav/shopping_cart_over.gif");
 		break;

		case("kids_only"):
		kids_night_over = newImage("/images/subnav/kids_night_over.gif");
		kids_menu_over = newImage("/images/subnav/kids_menu_over.gif");
		coloring_pages_over = newImage("/images/subnav/coloring_pages_over.gif");
 		break;

		case("employment"):
		open_positions_over = newImage("/images/subnav/open_positions_over.gif");
		online_application_over = newImage("/images/subnav/online_application_over.gif");
 		break;

		}
		preloadFlag = true;
	}
}