var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		change_over = newImage("images/local_nav/change_over.gif");
		school_over = newImage("images/local_nav/school_over.gif");
		hwc_kids_over = newImage("images/local_nav/hwc_kids_over.gif");
		hwc_parents_over = newImage("images/local_nav/hwc_parents_over.gif");
		milestone_over = newImage("images/local_nav/milestone_over.gif");
		assess_over = newImage("images/local_nav/assess_over.gif");
		timeline_over = newImage("images/local_nav/timeline_over.gif");
		hwc_faqs_over = newImage("images/local_nav/hwc_faqs_over.gif");
		casestudies_over = newImage("images/local_nav/casestudies_over.gif");
		contact_over = newImage("images/local_nav/contact_over.gif");
		home_over = newImage("images/local_nav/home_over.gif");
		preloadFlag = true;
	}
}