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) {
		CFF_about_over = newImage("images/CFF-about_over.gif");
		CFF_events_over = newImage("images/CFF-events_over.gif");
		CFF_donate_over = newImage("images/CFF-donate_over.gif");
		CFF_press_over = newImage("images/CFF-press_over.gif");
		CFF_credits_over = newImage("images/CFF-credits_over.gif");
		CFF_contact_over = newImage("images/CFF-contact_over.gif");
		preloadFlag = true;
	}
}