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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		equip = newImage("images/equip-labs.gif");
		equip_over = newImage("images/equip-labs-over.gif");
		faq = newImage("images/faq-manuals.gif");
		faq_over = newImage("images/faq-manuals-over.gif");
		blog = newImage("images/blog.gif");
		blog_over = newImage("images/blog-over.gif");
		wiki = newImage("images/wiki.gif");
		wiki_over = newImage("images/wiki-over.gif");
		calendar = newImage("images/calendar.gif");
		calendar_over = newImage("images/calendar-over.gif");
		staff = newImage("images/staff.gif");
		staff_over = newImage("images/staff-over.gif");
		contact = newImage("images/contact.gif");
		contact_over = newImage("images/contact-over.gif");
		preloadFlag = true;
	}
}