//preloading images
		
		homeon = new Image();
		homeon.src = "/images/nav_home3.gif";
		homeoff = new Image();
		homeoff.src = "/images/nav_home2.gif";

		abouton = new Image();
		abouton.src = "/images/nav_about3.gif";
		aboutoff = new Image();
		aboutoff.src = "/images/nav_about2.gif";

		serviceson = new Image();
		serviceson.src = "/images/nav_services3.gif";
		servicesoff = new Image();
		servicesoff.src = "/images/nav_services2.gif";

		portfolioon = new Image();
		portfolioon.src = "/images/nav_portfolio3.gif";
		portfoliooff = new Image();
		portfoliooff.src = "/images/nav_portfolio2.gif";

		testimonialson = new Image();
		testimonialson.src = "/images/nav_testimonials3.gif";
		testimonialsoff = new Image();
		testimonialsoff.src = "/images/nav_testimonials2.gif";

		contacton = new Image();
		contacton.src = "/images/nav_contact3.gif";
		contactoff = new Image();
		contactoff.src = "/images/nav_contact2.gif";

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

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

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

	function enableField() {
		i = document.contactform.hear.selectedIndex;
		x = document.contactform.hear.options[i].value;
		if (x == "referral") {
			document.contactform.referrer.disabled = false;
		} else {document.contactform.referrer.disabled = true;}
	}
	
	function openPopup(URL) {
		imageWin = window.open(URL,"image_window","status=no,scrollbars=no,width=650,height=505");
		if (imageWin.opener == null) imageWin.opener = window; 
		imageWin.opener.name = "upw_main";
		imageWin.focus ();
	}