// NAV ROLLOVERS
// DEVELOPED BY WWW.FORMULAEARTH.COM
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) {
		about_over = newImage("images/about-over.gif");
		schedule_over = newImage("images/schedule-over.gif");
		services_over = newImage("images/services-over.gif");
		upcoming_over = newImage("images/upcoming-over.gif");
		fees_over = newImage("images/fees-over.gif");
		mailinglist_over = newImage("images/mailinglist-over.gif");
		contact_over = newImage("images/contact-over.gif");
		hp_invocation_over = newImage("images/hp-invocation-over.gif");
		preloadFlag = true;
	}
}