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("graphics/home_over.gif");
		about_over = newImage("graphics/about_over.gif");
		forum_over = newImage("graphics/forum_over.gif");
		current_over = newImage("graphics/current_over.gif");
		ads_over = newImage("graphics/ads_over.gif");
		subs_over = newImage("graphics/subs_over.gif");
		distrib_over = newImage("graphics/distrib_over.gif");
		linx_over = newImage("graphics/linx_over.gif");
		contact_over = newImage("graphics/contact_over.gif");
		top_over = newImage("graphics/top_over.gif");
		print_over = newImage("graphics/print_over.gif");
		mails_john_over = newImage("graphics/mails_john_over.gif");
		mails_craig_over = newImage("graphics/mails_craig_over.gif");
		preloadFlag = true;
	}
}

preloadImages();