if (document.images) {

    homeon = new Image();
    homeon.src = '/images/n_home_on.gif';
    homeoff = new Image();
	homeoff.src = '/images/n_home.gif';
	
	abouton = new Image();
    abouton.src = '/images/n_about_on.gif';
    aboutoff = new Image();
	aboutoff.src = '/images/n_about.gif';
	
	serviceson = new Image();
	serviceson.src = '/images/n_services_on.gif';
	servicesoff = new Image();
	servicesoff.src = '/images/n_services.gif';
	
	startedon = new Image();
	startedon.src = '/images/n_started_on.gif';
	startedoff = new Image();
	startedoff.src = '/images/n_started.gif';
	
	resourceson = new Image();
    resourceson.src = '/images/n_resources_on.gif';
    resourcesoff = new Image();
	resourcesoff.src = '/images/n_resources.gif';
	
	linkon = new Image();
    linkon.src = '/images/n_link_on.gif';
    linkoff = new Image();
	linkoff.src = '/images/n_link.gif';	
	
	contacton = new Image();
	contacton.src = '/images/n_contact_on.gif';
	contactoff = new Image();
	contactoff.src = '/images/n_contact.gif';

	

}

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

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