if (document.images) {
	galleryOn = new Image();
	galleryOn.src = "/images/nav/galleryOn.gif";
	galleryOff = new Image();
	galleryOff.src = "/images/nav/galleryOff.gif";
	contactOn = new Image();
	contactOn.src = "/images/nav/contactOn.gif";
	contactOff = new Image();
	contactOff.src = "/images/nav/contactOff.gif";
}