if (document.images) {
	// main page
	img1on = new Image();		img1on.src = "/images/nav_home_over.gif";
	img2on = new Image();		img2on.src = "/images/nav_locations_over.gif";
	img3on = new Image();		img3on.src = "/images/nav_suites_over.gif";
	img4on = new Image(); 		img4on.src = "/images/nav_why_over.gif";
	img5on = new Image();		img5on.src = "/images/nav_testimonials_over.gif";
   	img6on = new Image();		img6on.src = "/images/nav_tour_over.gif";
	img7on = new Image();		img7on.src = "/images/nav_contact_over.gif";

	img1off = new Image();		img1off.src = "/images/nav_nb_home.gif";
	img2off = new Image(); 		img2off.src = "/images/nav_nb_locations.gif";
	img3off = new Image();		img3off.src = "/images/nav_nb_suites.gif";
	img4off = new Image();		img4off.src = "/images/nav_nb_why.gif";
	img5off = new Image();		img5off.src = "/images/nav_nb_testimonials.gif";
	img6off = new Image();		img6off.src = "/images/nav_nb_tour.gif";
	img7off = new Image();		img7off.src = "/images/nav_nb_contact.gif";
	
}