function preload()
{
	if (document.images) {
		img1on = new Image();
		img1on.src = "/images/nav/home2.gif";
		img2on = new Image();
		img2on.src = "/images/nav/wheels2.gif";
		img3on = new Image();
		img3on.src = "/images/nav/tires2.gif";
		img4on = new Image();
		img4on.src = "/images/nav/accessories2.gif";
		img5on = new Image();
		img5on.src = "/images/nav/performance2.gif";
		img6on = new Image();
		img6on.src = "/images/nav/suspension2.gif";
		img7on = new Image();
		img7on.src = "/images/nav/gallery2.gif";
		img8on = new Image();
		img8on.src = "/images/nav/order2.gif";
		img9on = new Image();
		img9on.src = "/images/nav/contact2.gif";
	}
}
function roll(imgName)	{
	if (document.images) {
		document.images[imgName].src = "/images/nav/" + imgName + "2.gif";
	}
}
function unroll(imgName) {
	if (document.images) {
		document.images[imgName].src = "/images/nav/" + imgName + "1.gif";
	}
}