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_products_over = newImage("images/left_links/contact-over.gif");
		left_links_11_about_over = newImage("images/left_links/left-links_11-about_over.gif");
		kenyon_over = newImage("images/main_page/elements/kenyon-over.gif");
		preloadFlag = true;
	}
}