var pageLoaded = false;

// Main level navigation
aboutusOff = new Image(); aboutusOff.src=contextPath+"/about.gif";
aboutusOn = new Image(); aboutusOn.src=contextPath+"/about-on.gif";
productsOff = new Image(); productsOff.src=contextPath+"/client.gif";
productsOn = new Image(); productsOn.src=contextPath+"/client-on.gif";
researchOff = new Image(); researchOff.src=contextPath+"/employment.gif";
researchOn = new Image(); researchOn.src=contextPath+"/employment-on.gif";
contactOff = new Image(); contactOff.src=contextPath+"/contact.gif";
contactOn = new Image(); contactOn.src=contextPath+"/contact-on.gif";


// About Section Vertical
	aboutushomeNavOff = new Image(); aboutushomeNavOff.src=contextPath+"/nav-about-company.gif";
	aboutushomeNavOn = new Image(); aboutushomeNavOn.src=contextPath+"/nav-about-company-on.gif";
corpoverviewNavOff = new Image(); corpoverviewNavOff.src=contextPath+"/nav-about-staff.gif";
corpoverviewNavOn = new Image(); corpoverviewNavOn.src=contextPath+"/nav-about-staff-on.gif";
medicinedevNavOff = new Image(); medicinedevNavOff.src=contextPath+"/nav-about-mission.gif";
medicinedevNavOn = new Image (); medicinedevNavOn.src=contextPath+"/nav-about-mission-on.gif";
comminvolvNavOff = new Image(); comminvolvNavOff.src=contextPath+"/nav-about-contact.gif";
comminvolvNavOn = new Image(); comminvolvNavOn.src=contextPath+"/nav-about-contact-on.gif";



// Products Section Vertical
productshomeNavOff = new Image(); productshomeNavOff.src=contextPath+"/nav-client-overview.gif";
productshomeNavOn = new Image(); productshomeNavOn.src=contextPath+"/nav-client-overview-on.gif";
prodinfoNavOff = new Image(); prodinfoNavOff.src=contextPath+"/nav-client-why.gif";
prodinfoNavOn = new Image(); prodinfoNavOn.src=contextPath+"/nav-client-why-on.gif";
diseducNavOff = new Image(); diseducNavOff.src=contextPath+"/nav-client-more.gif";
diseducNavOn = new Image(); diseducNavOn.src=contextPath+"/nav-client-more-on.gif";


// Research Section Vertical
researchhomeNavOff = new Image(); researchhomeNavOff.src=contextPath+"/nav-employment-overview.gif";
researchhomeNavOn = new Image(); researchhomeNavOn.src=contextPath+"/nav-employment-overview-on.gif";
ourvisionNavOff = new Image(); ourvisionNavOff.src=contextPath+"/nav-employment-benefits.gif";
ourvisionNavOn = new Image(); ourvisionNavOn.src=contextPath+"/nav-employment-benefits-on.gif";
focusareasNavOff = new Image(); focusareasNavOff.src=contextPath+"/nav-employment-compensation.gif";
focusareasNavOn = new Image(); focusareasNavOn.src=contextPath+"/nav-employment-compensation-on.gif";
biotechnologyNavOff = new Image(); biotechnologyNavOff.src=contextPath+"/nav-employment-apply.gif";
biotechnologyNavOn = new Image(); biotechnologyNavOn.src=contextPath+"/nav-employment-apply-on.gif";


// Contact Section Vertical
contacthomeNavOff = new Image(); contacthomeNavOff.src=contextPath+"/nav-contact-phone.gif";
contacthomeNavOn = new Image(); contacthomeNavOn.src=contextPath+"/nav-contact-phone-on.gif";
directionsNavOff = new Image(); directionsNavOff.src=contextPath+"/nav-contact-directions.gif";
directionsNavOn = new Image(); directionsNavOn.src=contextPath+"/nav-contact-directions-on.gif";



function loadProc() {
	pageLoaded = true;
}

function img_act(img) {
	document[img].src = eval(img + "On").src;
}

function img_inact(img) {
	document[img].src = eval(img + "Off").src;
}

function showLayer(layername) {
	if (pageLoaded) {
		if (document.all){
			document.all[layername].style.visibility = "visible";
		}
		else if (document.layers){
	 		document.layers[layername].visibility = "visible";
		}
		else {
			var myLayer = document.getElementById(layername);
			myLayer.style.visibility = "visible";
		}
	}
}

function hideLayer(layername) {
	if (pageLoaded) {
		if (document.all){
			document.all[layername].style.visibility = "hidden";
		}
		else if (document.layers){
			document.layers[layername].visibility = "hidden";
		}
		else {
			var myLayer = document.getElementById(layername);
			myLayer.style.visibility = "hidden";
		}
	}
}

var blnReset = false;
var defaultSubnav = "emptySubnav";
var currImage = "";
var currLayer = "";

function showtopnav(menuname)
{
	resettopnav(menuname);
	currLayer = menuname + "Subnav";
	showLayer(menuname+'Subnav');
	showLayer('resetSubnav');
	img_act_nav(menuname, "topNav");
	clearreset();
}
function resettopnav()
{
	if (currLayer != "") {
		hideLayer(currLayer);
	}
	if ((currImage != "") && (currImage + "Subnav" != defaultSubnav)) {
		img_inact_nav(currImage, "topNav");
	}
	showLayer("emptySubnav");
	clearreset();
}
function settimedreset()
{
	hideLayer('resetSubnav');
	blnReset = true;
	resetTimeout = setTimeout('timedresetnav()', 1000);
}
function timedresetnav()
{
	if(blnReset)
	{
		resettopnav();
	}
}
function clearreset()
{
	if(blnReset) window.clearTimeout(resetTimeout);
	blnReset = false;
}
function img_inact_nav(imagename,layername)
{
	if (document.layers){
		document.layers[layername].document.images[imagename].src = eval(imagename + 'Off.src')
	}else{
		document [imagename].src = eval(imagename + 'Off.src')
	}
	if (layername == "topNav") {
		currImage = "";
	}
	clearreset();
}
function img_act_nav(imagename,layername)
{
	if (document.layers){
		document.layers[layername].document.images[imagename].src = eval(imagename + 'On.src')
	}else{
		document [imagename].src = eval(imagename + 'On.src')
	}
	if (layername == "topNav") {
		currImage = imagename;
	}
	showLayer('resetSubnav');
	clearreset();
}