var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		tutors_over = newImage("images/local_nav/tutors_over.gif");
		groups_over = newImage("images/local_nav/groups_over.gif");
		letter_over = newImage("images/local_nav/letter_over.gif");
		donate_over = newImage("images/local_nav/donate_over.gif");
		community_over = newImage("images/local_nav/community_over.gif");
		record_over = newImage("images/local_nav/record_over.gif");
		contact_over = newImage("images/local_nav/contact_over.gif");
		home_over = newImage("images/local_nav/home_over.gif");
		preloadFlag = true;
	}
}