if (document.images) {
	logoon = new Image(); logoon.src = "/images/mu_logo_over.jpg";
	homeon = new Image(); homeon.src = "/images/mu_over_home.jpg";
	contacton = new Image(); contacton.src = "/images/mu_over_contact.jpg";
	abouton = new Image(); abouton.src = "/images/mu_over_about.jpg";
	valueon = new Image(); valueon.src = "/images/mu_over_value.jpg";
	smallcapon = new Image(); smallcapon.src = "/images/mu_over_smallcap.jpg";
	investon = new Image(); investon.src = "/images/mu_over_invest.jpg";
	
	logooff = new Image(); logooff.src = "/images/mu_logo.jpg";
	homeoff = new Image(); homeoff.src = "/images/mu_off_home.jpg";
	contactoff = new Image(); contactoff.src = "/images/mu_off_contact.jpg";
	aboutoff = new Image(); aboutoff.src = "/images/mu_off_about.jpg";
	valueoff = new Image(); valueoff.src = "/images/mu_off_value.jpg";
	smallcapoff = new Image(); smallcapoff.src = "/images/mu_off_smallcap.jpg";
	investoff = new Image(); investoff.src = "/images/mu_off_invest.jpg";
}

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

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