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) {
		index01_09_listings_over = newImage("images/index01_09-listings_over.gif");
		index01_10_listings_over = newImage("images/index01_10-listings_over.gif");
		listings_over = newImage("images/listings-over.gif");
		index01_14_listings_over = newImage("images/index01_14-listings_over.gif");
		about_over = newImage("images/about-over.gif");
		references_over = newImage("images/references-over.gif");
		links_over = newImage("images/links-over.gif");
		market_info_over = newImage("images/market_info-over.gif");
		fin_services_over = newImage("images/fin_services-over.gif");
		legal_over = newImage("images/legal-over.gif");
		insepection_over = newImage("images/insepection-over.gif");
		email_over = newImage("images/email-over.gif");
		working_over = newImage("images/working_over.gif");
		new_listings_over = newImage("images/new_listings_over.gif");
		preloadFlag = true;
	}
}