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 Lateral
			menu01_over = newImage("images/bt_services_web_design_ON.gif");
			menu02_over = newImage("images/bt_services_SEO_google_ON.gif");
			menu03_over = newImage("images/bt_services_ecommerce_ON.gif");
			menu04_over = newImage("images/bt_services_bespoke_CMS_ON.gif");
			menu05_over = newImage("images/bt_services_support_development_ON.gif");
			menu06_over = newImage("images/bt_services_mobile_websites_ON.gif");
			menu07_over = newImage("images/bt_services_email_marketing_ON.gif");
			menu08_over = newImage("images/bt_services_web_hosting_ON.gif");
			menu09_over = newImage("images/bt_services_design_print_ON.gif");
			//Menu Navegação
			navega01_over = newImage("images/bt_portfolio_ON.gif");
			navega02_over = newImage("images/bt_our_philosophy_ON.gif");
			navega03_over = newImage("images/bt_prices_ON.gif");
			navega04_over = newImage("images/bt_contact_ON.gif");
			// Jewellery
			img01_over = newImage("portfolio/fg_jewellery_01-over.gif");
			img02_over = newImage("portfolio/fg_jewellery_02-over.gif");
			img03_over = newImage("portfolio/fg_jewellery_03-over.gif");
			img04_over = newImage("portfolio/fg_jewellery_04-over.gif");
			//Fashion
			img05_over = newImage("portfolio/fg_fashion_01-over.gif");
			img06_over = newImage("portfolio/fg_fashion_02-over.gif");
			img07_over = newImage("portfolio/fg_fashion_03-over.gif");
			//Bar and Restaurants
			img08_over = newImage("portfolio/fg_barAndRestaurants_01-over.gif");
			img09_over = newImage("portfolio/fg_barAndRestaurants_02-over.gif");
			img10_over = newImage("portfolio/fg_barAndRestaurants_03-over.gif");
			img11_over = newImage("portfolio/fg_barAndRestaurants_04-over.gif");
			//Services
			img12_over = newImage("portfolio/fg_services_01-over.gif");
			img13_over = newImage("portfolio/fg_services_02-over.gif");
			//Miscellaneous
			img14_over = newImage("portfolio/fg_miscellaneous_01-over.gif");
			img15_over = newImage("portfolio/fg_miscellaneous_02-over.gif");
			img16_over = newImage("portfolio/fg_miscellaneous_03-over.gif");
			preloadFlag = true;
		}
	}
	preloadImages();