////////////////////////////////////////////////////////////////////////////////

// Nav Bar
if (document.images) {

learn1on = new Image();
learn1on.src = "images/d_subnav_learn.gif";
learn2on = new Image();
learn2on.src = "images/d_subnav_learn.gif";
learn3on = new Image();
learn3on.src = "images/d_subnav_learn.gif";
learn4on = new Image();
learn4on.src = "images/d_subnav_learn.gif";
learn5on = new Image();
learn5on.src = "images/d_subnav_learn.gif";

learn1off = new Image();
learn1off.src = "images/u_subnav_learn.gif";
learn2off = new Image();
learn2off.src = "images/u_subnav_learn.gif";
learn3off = new Image();
learn3off.src = "images/u_subnav_learn.gif";
learn4off = new Image();
learn4off.src = "images/u_subnav_learn.gif";
learn5off = new Image();
learn5off.src = "images/u_subnav_learn.gif";

pdf1on = new Image();
pdf1on.src = "images/pdf1b.gif";
pdf2on = new Image();
pdf2on.src = "images/pdf2b.gif";

pdf1off = new Image();
pdf1off.src = "images/pdf1.gif";
pdf2off = new Image();
pdf2off.src = "images/pdf2.gif";

abt1on = new Image();
abt1on.src = "images/d_subnav_abt_01.gif";
abt2on = new Image();
abt2on.src = "images/d_subnav_abt_02.gif";

abt1off = new Image();
abt1off.src = "images/u_subnav_abt_01.gif";
abt2off = new Image();
abt2off.src = "images/u_subnav_abt_02.gif";

nexton = new Image();
nexton.src = "images/d_subnav_quest2.gif";

nextoff = new Image();
nextoff.src = "images/u_subnav_quest2.gif";

bkon = new Image();
bkon.src = "images/d_subnav_quest.gif";

bkoff = new Image();
bkoff.src = "images/u_subnav_quest.gif";

pre01on = new Image();
pre01on.src = "images/d_subnav_pre_01.gif";
pre02on = new Image();
pre02on.src = "images/d_subnav_pre_02.gif";
pre03on = new Image();
pre03on.src = "images/d_subnav_pre_03.gif";
pre04on = new Image();
pre04on.src = "images/d_subnav_pre_04.gif";
pre05on = new Image();
pre05on.src = "images/d_subnav_pre_05.gif";

pre01off = new Image();
pre01off.src = "images/u_subnav_pre_01.gif";
pre02off = new Image();
pre02off.src = "images/u_subnav_pre_02.gif";
pre03off = new Image();
pre03off.src = "images/u_subnav_pre_03.gif";
pre04off = new Image();
pre04off.src = "images/u_subnav_pre_04.gif";
pre05off = new Image();
pre05off.src = "images/u_subnav_pre_05.gif";

sub01on = new Image();
sub01on.src = "images/d_subnav_01.gif";
sub02on = new Image();
sub02on.src = "images/d_subnav_02.gif";
sub03on = new Image();
sub03on.src = "images/d_subnav_03.gif";

sub01off = new Image();
sub01off.src = "images/u_subnav_01.gif";
sub02off = new Image();
sub02off.src = "images/u_subnav_02.gif";
sub03off = new Image();
sub03off.src = "images/u_subnav_03.gif";

nav01on = new Image();
nav01on.src = "images/d_nav_01.gif";
nav02on = new Image();
nav02on.src = "images/d_nav_02.gif";
nav03on = new Image();
nav03on.src = "images/d_nav_03.gif";
nav04on = new Image();
nav04on.src = "images/d_nav_04.gif";

nav01off = new Image();
nav01off.src = "images/u_nav_01.gif";
nav02off = new Image();
nav02off.src = "images/u_nav_02.gif";
nav03off = new Image();
nav03off.src = "images/u_nav_03.gif";
nav04off = new Image();
nav04off.src = "images/u_nav_04.gif";

contacton = new Image();
contacton.src = "images/d_nav_contact.gif";
abouton = new Image();
abouton.src = "images/d_nav_about.gif";
staffon = new Image();
staffon.src = "images/d_nav_staff.gif";

contactoff = new Image();
contactoff.src = "images/u_nav_contact.gif";
aboutoff = new Image();
aboutoff.src = "images/u_nav_about.gif";
staffoff = new Image();
staffoff.src = "images/u_nav_staff.gif";

	selected="Empty";
	previous="Empty";
}


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

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

////////////////////////////////////////////////////////////////////////////////

window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS6 = (bName == "Netscape" && bVer >= 5);
 var NS4 = (bName == "Netscape" && bVer == 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null// LAYER SWITCHING CODE
if (NS4 || IE4) {
 if (navigator.appName == "Netscape") {
 layerStyleRef="layer.";
 layerRef="document.layers";
 styleSwitch="";
 }else{
 layerStyleRef="layer.style.";
 layerRef="document.all";
 styleSwitch=".style";
 }
}
 
// SHOW MENU
function showLayer(layerName){
	var changeStr;
	var theObj;
 
 if (NS4 || IE4) {
 
	 if (timeOn != null) {
	 clearTimeout(timeOn)
	 hideLayer(onLayer)
	 }
 
	 
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
  onLayer = layerName
 		
  } else {
  
  if (timeOn != null) {
	 clearTimeout(timeOn)
	 hideLayer(onLayer)
	 }
  changeStr = "document.getElementById('" + layerName + "')";
  theObj = eval(changeStr);
	if (theObj) {
		theObj.style.visibility = "visible";
	}
	
	
  
  onLayer = layerName 
  
  } 
 
}

// HIDE MENU
function hideLayer(layerName){
var changeStr;
	var theObj;
	 if (menuActive == 0) {
		 if (NS4 || IE4) {
		 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
		 }
		 
		 else {
		 changeStr = "document.getElementById('" + layerName + "')";
  theObj = eval(changeStr);
	if (theObj) {
		theObj.style.visibility = "hidden";
	}
		 }
	 
	 }
}

// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 timeOn = setTimeout("btnOut()",6000)
}

// BUTTON MOUSE OUT
function btnOut(layerName) {
 if (menuActive == 0) {
 hideLayer(onLayer)
 }
}

// MENU MOUSE OVER 
function menuOver(itemName) {
 clearTimeout(timeOn)
 menuActive = 1
}

// MENU MOUSE OUT 
function menuOut(itemName) {
 menuActive = 0 
 timeOn = setTimeout("hideLayer(onLayer)", 400)
 }