aboutOff = new Image();
aboutOff.src = "/images/nav_about.gif";
aboutOver = new Image();
aboutOver.src = "/images/nav_about_over.gif";
aboutDown = new Image();
aboutDown.src = "/images/nav_about_over.gif";

listingsOff = new Image();
listingsOff.src = "/images/nav_listings.gif";
listingsOver = new Image();
listingsOver.src = "/images/nav_listings_over.gif";
listingsDown = new Image();
listingsDown.src = "/images/nav_listings_over.gif";

newsOff = new Image();
newsOff.src = "/images/nav_news.gif";
newsOver = new Image();
newsOver.src = "/images/nav_news_over.gif";
newsDown = new Image();
newsDown.src = "/images/nav_news_over.gif";

sigOff = new Image();
sigOff.src = "/images/nav_sig.gif";
sigOver = new Image();
sigOver.src = "/images/nav_sig_over.gif";
sigDown = new Image();
sigDown.src = "/images/nav_sig_over.gif";

servicesOff = new Image();
servicesOff.src = "/images/nav_services.gif";
servicesOver = new Image();
servicesOver.src = "/images/nav_services_over.gif";
servicesDown = new Image();
servicesDown.src = "/images/nav_services_over.gif";

careersOff = new Image();
careersOff.src = "/images/careers.jpg";
careersOver = new Image();
careersOver.src = "/images/careers_over.jpg";
careersDown = new Image();
careersDown.src = "/images/careers_over.jpg";

contactsOff = new Image();
contactsOff.src = "/images/contact.jpg";
contactsOver = new Image();
contactsOver.src = "/images/contact_over.jpg";
contactsDown = new Image();
contactsDown.src = "/images/contact_over.jpg";

newslettersignupOff = new Image();
newslettersignupOff.src = "/images/enews_signup.jpg";
newslettersignupOver = new Image();
newslettersignupOver.src = "/images/enews_signup_over.jpg";
newslettersignupDown = new Image();
newslettersignupDown.src = "/images/enews_signup_over.jpg";



function imageRoll(imagename, state)
{
	if (document.images)
	{
		if (document.images[imagename])
		{
			document.images[imagename].src = eval(imagename + state + ".src");
		}
		else
		{
			if (document.layers)
			{ 
				for (i=0; i < document.layers.length; i++)
				{
					if (document.layers[i].document.images[imagename])
					{
						document.layers[i].document.images[imagename].src = eval(imagename + state + ".src");
					}
				}
			}
		}
	}
}