if (document.images) {
	servicesOff = new Image(); servicesOff.src="/images/nav-home/services.gif";
	servicesOn = new Image(); servicesOn.src="/images/nav-home/servicesOn.gif";
	portfolioOff = new Image(); portfolioOff.src="/images/nav-home/portfolio.gif";
	portfolioOn = new Image(); portfolioOn.src="/images/nav-home/portfolioOn.gif";
	backgroundOff = new Image(); backgroundOff.src="/images/nav-home/background.gif";
	backgroundOn = new Image(); backgroundOn.src="/images/nav-home/backgroundOn.gif";
	contactOff = new Image(); contactOff.src="/images/nav-home/contact.gif";
	contactOn = new Image(); contactOn.src="/images/nav-home/contactOn.gif";
}


function img_act(img) {
	if (document.images) {
	imgOn = eval(img + "On.src");
	document [img].src = imgOn;
	}
}

function img_inact(img) {
	if (document.images) {
	imgOff = eval(img + "Off.src");
	document [img].src = imgOff;
	}
}