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) {
		navButtons_director_over = newImage("buttons/navButtons_director_over.gif");
		navButtons_director_down = newImage("buttons/navButtons_director_down.gif");
		navButtons_resources_over = newImage("buttons/navButtons_resources_over.gif");
		navButtons_resources_down = newImage("buttons/navButtons_resources_down.gif");
		navButtons_speaking_over = newImage("buttons/navButtons_speaking_over.gif");
		navButtons_speaking_down = newImage("buttons/navButtons_speaking_down.gif");
		navButtons_retreat_over = newImage("buttons/navButtons_retreat_over.gif");
		navButtons_retreat_down = newImage("buttons/navButtons_retreat_down.gif");
		navButtons_training_over = newImage("buttons/navButtons_training_over.gif");
		navButtons_training_down = newImage("buttons/navButtons_training_down.gif");
		navButtons_devotionals_over = newImage("buttons/navButtons_devotionals_over.gif");
		navButtons_devotionals_down = newImage("buttons/navButtons_devotionals_down.gif");
		navButtons_statement_over = newImage("buttons/navButtons_statement_over.gif");
		navButtons_statement_down = newImage("buttons/navButtons_statement_down.gif");
		navButtons_prison_over = newImage("buttons/navButtons_prison_over.gif");
		navButtons_prison_down = newImage("buttons/navButtons_prison_down.gif");
		navButtons_order_over = newImage("buttons/navButtons_order_over.gif");
		navButtons_order_down = newImage("buttons/navButtons_order_down.gif");
		preloadFlag = true;
	}
}