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

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

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

function loadNav() {
	if (document.images) {
		companyOn = newImg("/img/nav/companyOn.gif");
		companyOff = newImg("/img/nav/companyOff.gif");

		servicesOn = newImg("/img/nav/servicesOn.gif");
		servicesOff = newImg("/img/nav/servicesOff.gif");

		portfolioOn = newImg("/img/nav/portfolioOn.gif");
		portfolioOff = newImg("/img/nav/portfolioOff.gif");

		clientsOn = newImg("/img/nav/clientsOn.gif");
		clientsOff = newImg("/img/nav/clientsOff.gif");

		contactOn = newImg("/img/nav/contactOn.gif");
		contactOff = newImg("/img/nav/contactOff.gif");
	}
}