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_home_over = newImage("/images/menu_home-over.jpg");
		menu_about_over = newImage("/images/menu_about-over.jpg");
		menu_products_over = newImage("/images/menu_products-over.jpg");
		menu_faqs_menu_products_over = newImage("/images/menu_faqs-menu_products_ove.jpg");
		menu_faqs_over = newImage("/images/menu_faqs-over.jpg");
		menu_order_over = newImage("/images/menu_order-over.jpg");
		menu_contact_over = newImage("/images/menu_contact-over.jpg");
		preloadFlag = true;
	}
}

function mail_assemble(mailName,mailDomain,mailExtension,mailLink,mailSubject,linkClass)
{
	// call function from script tags like this - mail_assemble('email name','email domain','email extension','link name','email subject','style class');
	document.write ('<a href="mailto:' + mailName + '&#64;' + mailDomain + mailExtension + '?subject=' + mailSubject + '" class="' + linkClass + '">' + mailLink + '</a>');
}