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) {
		products_over = newImage("../images/left_links/products-over.gif");
		about_over = newImage("../images/left_links/about-over.gif");
		gallery_over = newImage("../images/left_links/gallery-over.gif");
		tip_over = newImage("../images/left_links/tip-over.gif");
		contact_over = newImage("../images/left_links/contact-over.gif");
		more_products_over = newImage("../images/products/sub_links/more_products-over.gif");
		product_profile_over = newImage("../images/products/sub_links/product_profile-over.gif");
		services_over = newImage("../images/products/sub_links/services-over.gif");
		suggestions_over = newImage("../images/products/sub_links/suggestions-over.gif");
		natural_stone_over = newImage("../images/products/featured_links/natural_stone-over.gif");
		diamond_mtn_over = newImage("../images/products/featured_links/diamond_mtn-over.gif");
		eldorado_over = newImage("../images/products/featured_links/eldorado-over.gif");
		drain_over = newImage("../images/products/featured_links/drain-over.gif");
		quad_lock_over = newImage("../images/products/featured_links/quad_lock-over.gif");
		more_products_over = newImage("../images/products/featured_links/more_products-over.gif");
		preloadFlag = true;
	}
}