function swapImage (elId, newState) {
	document.getElementById (elId).src = preloadedImages[elId+"_"+newState].src;
}

var preloadedImages = new Array ();

preloadedImages["menu_home_off"] = new Image (81, 50);
preloadedImages["menu_home_off"].src = "skin1/images/menu_home_off.jpg";

preloadedImages["menu_home_on"] = new Image (81, 50);
preloadedImages["menu_home_on"].src = "skin1/images/menu_home_on.jpg";

preloadedImages["menu_ourstory_off"] = new Image (109, 50);
preloadedImages["menu_ourstory_off"].src = "skin1/images/menu_aboutus_off.gif";

preloadedImages["menu_ourstory_on"] = new Image (109, 50);
preloadedImages["menu_ourstory_on"].src = "skin1/images/menu_aboutus_on.gif";

preloadedImages["menu_order_off"] = new Image (179, 50);
preloadedImages["menu_order_off"].src = "skin1/images/menu_order_off.gif";

preloadedImages["menu_order_on"] = new Image (179, 50);
preloadedImages["menu_order_on"].src = "skin1/images/menu_order_on.gif";

preloadedImages["menu_contact_off"] = new Image (242, 50);
preloadedImages["menu_contact_off"].src = "skin1/images/menu_contact_off.gif";

preloadedImages["menu_contact_on"] = new Image (242, 50);
preloadedImages["menu_contact_on"].src = "skin1/images/menu_contact_on.gif";

preloadedImages["menu_homedelivery_off"] = new Image (242, 50);
preloadedImages["menu_homedelivery_off"].src = "skin1/images/menu_homedelivery_off.gif";

preloadedImages["menu_homedelivery_on"] = new Image (242, 50);
preloadedImages["menu_homedelivery_on"].src = "skin1/images/menu_homedelivery_on.gif";

preloadedImages["menu_store_off"] = new Image (242, 50);
preloadedImages["menu_store_off"].src = "skin1/images/menu_store_off.gif";

preloadedImages["menu_store_on"] = new Image (242, 50);
preloadedImages["menu_store_on"].src = "skin1/images/menu_store_on.gif";

preloadedImages["menu_news_off"] = new Image (242, 50);
preloadedImages["menu_news_off"].src = "skin1/images/menu_news_off.gif";

preloadedImages["menu_news_on"] = new Image (242, 50);
preloadedImages["menu_news_on"].src = "skin1/images/menu_news_on.gif";

preloadedImages["menu_links_off"] = new Image (242, 50);
preloadedImages["menu_links_off"].src = "skin1/images/menu_links_off.gif";

preloadedImages["menu_links_on"] = new Image (242, 50);
preloadedImages["menu_links_on"].src = "skin1/images/menu_links_on.gif";