//exhibitions rollover
if (document.images){
	var exhibImageOff = new Image();
	exhibImageOff.src = "assets/nav/exhibitionOff.jpg";
	var exhibImageOn = new Image();
	exhibImageOn.src = "assets/nav/exhibitionOn.jpg";
}

function exhibOn() {
  if (document.images)
    document.images.exhib.src = exhibImageOn.src;
}

function exhibOff() {
  if (document.images)
    document.images.exhib.src = exhibImageOff.src;
}

//contact rollover
if (document.images){
	var contImageOff = new Image();
	contImageOff.src = "assets/nav/contactOff.jpg";
	var contImageOn = new Image();
	contImageOn.src = "assets/nav/contactOn.jpg";
}

function contOn() {
  if (document.images)
    document.images.cont.src = contImageOn.src;
}

function contOff() {
  if (document.images)
    document.images.cont.src = contImageOff.src;
}

//statement rollover
if (document.images){
	var stateImageOff = new Image();
	stateImageOff.src = "assets/nav/statementOff.jpg";
	var stateImageOn = new Image();
	stateImageOn.src = "assets/nav/statementOn.jpg";
}

function stateOn() {
  if (document.images)
    document.images.state.src = stateImageOn.src;
}

function stateOff() {
  if (document.images)
    document.images.state.src = stateImageOff.src;
}

//gallery rollover
if (document.images){
	var gallImageOff = new Image();
	gallImageOff.src = "assets/nav/galleryOff.jpg";
	var gallImageOn = new Image();
	gallImageOn.src = "assets/nav/galleryOn.jpg";
}

function gallOn() {
  if (document.images)
    document.images.gall.src = gallImageOn.src;
}

function gallOff() {
  if (document.images)
    document.images.gall.src = gallImageOff.src;
}

//profile rollover
if (document.images){
	var profImageOff = new Image();
	profImageOff.src = "assets/nav/profileOff.jpg";
	var profImageOn = new Image();
	profImageOn.src = "assets/nav/profileOn.jpg";
}

function profOn() {
  if (document.images)
    document.images.prof.src = profImageOn.src;
}

function profOff() {
  if (document.images)
    document.images.prof.src = profImageOff.src;
}

//news rollover
if (document.images){
	var newsImageOff = new Image();
	newsImageOff.src = "assets/nav/newsOff.gif";
	var newsImageOn = new Image();
	newsImageOn.src = "assets/nav/newsOn.gif";
}

function newsOn() {
  if (document.images)
    document.images.news.src = newsImageOn.src;
}

function newsOff() {
  if (document.images)
    document.images.news.src = newsImageOff.src;
}

//next arrow rollover
if (document.images){
	var nextImageOff = new Image();
	nextImageOff.src = "assets/nav/arrowOff.gif";
	var nextImageOn = new Image();
	nextImageOn.src = "assets/nav/arrowOn.gif";
}

function nextOn() {
  if (document.images)
    document.images.next.src = nextImageOn.src;
}

function nextOff() {
  if (document.images)
    document.images.next.src = nextImageOff.src;
}

//previous arrow rollover
if (document.images){
	var preImageOff = new Image();
	preImageOff.src = "assets/nav/prearrowOff.gif";
	var preImageOn = new Image();
	preImageOn.src = "assets/nav/prearrowOn.gif";
}

function preOn() {
  if (document.images)
    document.images.pre.src = preImageOn.src;
}

function preOff() {
  if (document.images)
    document.images.pre.src = preImageOff.src;
}