function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		about = newImage("images/insidenav_about_on.gif");
		programs = newImage("images/insidenav_programs_on.gif");
		donating = newImage("images/insidenav_donating_on.gif");
		current = newImage("images/insidenav_current_on.gif");
		
		preloadFlag = true;
	}
}
preloadImages();