<!-- Hide script contents from old browsers
var display = '';
var bName = '';

bName = navigator.appName;
bVersion = parseInt(navigator.appVersion);
if (bName == "Netscape" && bVersion >= 3) display = "on";
else if (bName == "Microsoft Internet Explorer" && bVersion>= 4) display="on"
else display = "off";

if (display == "on")  {
	HeadlineNews0 = new Image(150, 20); HeadlineNews0.src = "./images/headlines.gif";
	HeadlineNews1 = new Image(150, 20); HeadlineNews1.src = "./images/headlines-over.gif";
	Archives0 = new Image(150, 20); Archives0.src = "./images/archives.gif";
	Archives1 = new Image(150, 20); Archives1.src = "./images/archives-over.gif";
	Environment0 = new Image(150, 20); Environment0.src = "./images/environment.gif";
	Environment1 = new Image(150, 20); Environment1.src = "./images/environment-over.gif";
	RealXFiles0 = new Image(150, 20); RealXFiles0.src = "./images/x-files.gif";
	RealXFiles1 = new Image(150, 20); RealXFiles1.src = "./images/x-files-over.gif";
	Science0 = new Image(150, 20); Science0.src = "./images/science.gif";
	Science1 = new Image(150, 20); Science1.src = "./images/science-over.gif";
	aboutus0 = new Image(150, 20); aboutus0.src = "./images/about_us.gif";
	aboutus1 = new Image(150, 20); aboutus1.src = "./images/about_us-over.gif";
	contact0 = new Image(150, 20); contact0.src = "./images/contact_us.gif";
	contact1 = new Image(150, 20); contact1.src = "./images/contact_us-over.gif";
	contributors0 = new Image(150, 20); contributors0.src = "./images/contributors.gif";
	contributors1 = new Image(150, 20); contributors1.src = "./images/contributors-over.gif";
	advertise0 = new Image(150, 20); advertise0.src = "./images/advertise.gif";
	advertise1 = new Image(150, 20); advertise1.src = "./images/advertise-over.gif";
	shop0 = new Image(150, 20); shop0.src = "./images/earthfiles_shop.gif";
	shop1 = new Image(150, 20); shop1.src = "./images/earthfiles_shop-over.gif";
	search0 = new Image(150, 20); search0.src = "./images/search.gif";
	search1 = new Image(150, 20); search1.src = "./images/search-over.gif";
	membership0 = new Image(150, 20); membership0.src = "./images/membership.gif";
	membership1 = new Image(150, 20); membership1.src = "./images/membership-over.gif";
}

function displayOn(bar)   {
	if (display == "on")  {
	imageOn = eval(bar + "1.src");
	document [bar].src = imageOn;
	}
}

function displayOff(bar)  {
	if ((display == "on") && (currentside != bar)) {
	imageOff = eval(bar + "0.src");
	document [bar].src = imageOff;
	}
}

function init_nav()  {
	if (currentside != '') {
		document [currentside].src = eval(currentside + "1.src");
	}
}
// End hiding from old browser -->