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) {
		button_mso_over = newImage("/images/mso_logo_over.gif");
		button_thecompany_over = newImage("/images/menu_the_company_over.gif");
		button_services_over = newImage("/images/menu_services_over.gif");
		button_clientlist_over = newImage("/images/menu_client_list_over.gif");
		button_clientsarea_over = newImage("/images/menu_clients_area_over.gif");
		button_partners_over = newImage("/images/menu_partners_over.gif");
		button_news_over = newImage("/images/menu_news_over.gif");
		button_contactus_over = newImage("/images/menu_contact_us_over.gif");
		button_logistics_over = newImage("/images/submenu_logistics_solutions_over.gif");
		button_storage_over = newImage("/images/submenu_storage_distribution_fulfilment_over.gif");
		button_mailing_over = newImage("/images/submenu_mailing_response_handling_over.gif");
		button_mailorder_over = newImage("/images/submenu_mail_order_over.gif");
		button_productdev_over = newImage("/images/submenu_product_development_over.gif");
		button_marketing_over = newImage("/images/submenu_marketing_public_relations_over.gif");
		button_retail_over = newImage("/images/submenu_retail_sales_strategies_over.gif");
		button_website_over = newImage("/images/submenu_website_design_management_over.gif");
		preloadFlag = true;
	}
}