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) {
		area_over = newImage("/images06/area-over.gif");
		listings_over = newImage("/images06/listings-over.gif");
		advertise_over = newImage("/images06/advertise-over.gif");
		subscription_over = newImage("/images06/subscription-over.gif");
		contact_over = newImage("/images06/contact-over.gif");
		home_over = newImage("/images06/home-over.gif");
		preloadFlag = true;
	}
}