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) {
		home_over = newImage("images/home-over.gif");
		ir_technology_over = newImage("images/ir_technology-over.gif");
		find_part_over = newImage("images/find_part-over.gif");
		where_to_buy_over = newImage("images/where_to_buy-over.gif");
		tuners_tales_over = newImage("images/tuners_tales-over.jpg");
		iridium_story_over = newImage("images/iridium_story-over.jpg");
		map_over = newImage("images/map-over.jpg");
		downloads_over = newImage("images/downloads-over.jpg");
		faqs_over = newImage("images/faqs-over.jpg");

		goracing = newImage("graphics/go_racing_small-over.jpg");

		preloadFlag = true;
	}
}