var browserName = navigator.appName;
var browserVer = parseFloat(navigator.appVersion);
var browserMac = navigator.appVersion.indexOf("Macintosh");
var browserWin = navigator.appVersion.indexOf("Win");
var allLoaded = false;
var version = "notset";

if (browserName == "Netscape" && browserVer >= 3)	
	version = "n3";
if (browserName == "Microsoft Internet Explorer"
	&& browserVer >= 3.01 && browserMac != -1)
	version = "ie3m";
if (browserName == "Microsoft Internet Explorer" && browserVer >= 4)
	version = "ie4";

var rollYes = (version == "n3" || version == "ie3m" || version == "ie4") ? true : false;

if(rollYes){
	nav01off = new Image();
	nav01off.src = "images/navHolders1.gif";
	nav01on = new Image();
	nav01on.src = "images/navHolders2.gif";

	nav02off = new Image();
	nav02off.src = "images/navRightOwners1.gif";
	nav02on = new Image();
	nav02on.src = "images/navRightOwners2.gif";

	nav03off = new Image();
	nav03off.src = "images/navMission1.gif";
	nav03on = new Image();
	nav03on.src = "images/navMission2.gif";

	nav04off = new Image();
	nav04off.src = "images/navHistory1.gif";
	nav04on = new Image();
	nav04on.src = "images/navHistory2.gif";

	nav05off = new Image();
	nav05off.src = "images/navGlossary1.gif";
	nav05on = new Image();
	nav05on.src = "images/navGlossary2.gif";

	nav06off = new Image();
	nav06off.src = "images/navGenLinks1.gif";
	nav06on = new Image();
	nav06on.src = "images/navGenLinks2.gif";

	nav07off = new Image();
	nav07off.src = "images/navContact1.gif";
	nav07on = new Image();
	nav07on.src = "images/navContact2.gif";

	allLoaded = true;
}

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

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

function launchFrame(targetSource, targetAnchor){
	
	var loc = 'frame.htm?content=' + targetSource;
	if (targetAnchor != null) {
		loc = loc + ',anchor=' + targetAnchor;
	}
	window.location = loc;
}













function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav5_forewb_03_over = newImage("images/nav5_forewb_03-over.gif");
		nav5_forewb_04_over = newImage("images/nav5_forewb_04-over.gif");
		nav5_forewb_05_over = newImage("images/nav5_forewb_05-over.gif");
		nav5_forewb_06_over = newImage("images/nav5_forewb_06-over.gif");
		nav5_forewb_07_over = newImage("images/nav5_forewb_07-over.gif");
		nav5_forewb_08_over = newImage("images/nav5_forewb_08-over.gif");
		nav5_forewb_09_over = newImage("images/nav5_forewb_09-over.gif");
		preloadFlag = true;
	}
}