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) {
		m_home_over = newImage("images/m_home-over.jpg");
		m_products_over = newImage("images/m_products-over.jpg");
		m_rockofages_over = newImage("images/m_rockofages-over.jpg");
		m_colors_over = newImage("images/m_colors-over.jpg");
		m_awards_over = newImage("images/m_awards-over.jpg");
		m_testimonials_over = newImage("images/m_testimonials-over.jpg");
		m_faqs_over = newImage("images/m_faqs-over.jpg");
		m_about_over = newImage("images/m_about-over.jpg");
		m_contact_over = newImage("images/m_contact-over.jpg");
		preloadFlag = true;
	}
}