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) {
		free_catalog_over = newImage("../images/product/free-catalog-over.gif");
		shop_by_brand_over = newImage("../images/product/shop-by-brand-over.gif");
		shopping_cart_over = newImage("../images/product/shopping-cart-over.gif");
		track_your_order_over = newImage("../images/product/track-your-order-over.gif");
		support__center_over = newImage("../images/product/support--center-over.gif");
		rebates_over = newImage("../images/product/rebates-over.gif");
		company_over = newImage("../images/product/company-over.gif");
		products_over = newImage("../images/product/products-over.gif");
		catalog_over = newImage("../images/product/catalog-over.gif");
		support_over = newImage("../images/product/support-over.gif");
		contacts_over = newImage("../images/product/contacts-over.gif");
		preloadFlag = true;
	}
}