<!-- -------------------------------------------------------------- -->
var preloadFlag = false;

<!-- -------------------------------------------------------------- -->
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

<!-- -------------------------------------------------------------- -->
function preloadImages(i) {
  if (document.images) {
    if(i > 0) {
      home04_2 = newImage('images/home04_2.jpg');
      home04_1 = newImage('images/home04_1.jpg');
      home05_2 = newImage('images/home05_2.jpg');
      home05_1 = newImage('images/home05_1.jpg');
      home06_2 = newImage('images/home06_2.jpg');
      home06_1 = newImage('images/home06_1.jpg');

      if(i == 1) {
        home01aa = newImage('images/home01aa.jpg');
        home01ab = newImage('images/home01ab.jpg');
        home01ac = newImage('images/home01ac.jpg');
        home01ba = newImage('images/home01ba.jpg');
        home01bb = newImage('images/home01bb.jpg');
        home01bc = newImage('images/home01bc.jpg');
        home01ca = newImage('images/home01ca.jpg');
        home01cb = newImage('images/home01cb.jpg');
        home01cc = newImage('images/home01cc.jpg');
      }
    } else if(i == 0) {
      silent = newImage('images/silenttext.jpg');
      black = newImage('images/black.jpg');
      introGif = newImage('images/intro.gif');
    }
    
    preloadFlag = true;
  }
}

<!-- -------------------------------------------------------------- -->
function eventsOver() {
  document.getElementById('home04i').src = "images/home04_2.jpg";  
  document.getElementById('navtxt').innerHTML = "EVENTS";
}

function eventsOut() {
  document.getElementById('home04i').src = "images/home04_1.jpg";  
  document.getElementById('navtxt').innerHTML = "";
}

<!-- -------------------------------------------------------------- -->
function contactOver() {
  document.getElementById('home05i').src = "images/home05_2.jpg";  
  document.getElementById('navtxt').innerHTML = "CONTACT";
}

function contactOut() {
  document.getElementById('home05i').src = "images/home05_1.jpg";  
  document.getElementById('navtxt').innerHTML = "";
}

<!-- -------------------------------------------------------------- -->
function ticketsOver() {
  document.getElementById('home06i').src = "images/home06_2.jpg";  
  document.getElementById('navtxt').innerHTML = "TICKETS";
}

function ticketsOut() {
  document.getElementById('home06i').src = "images/home06_1.jpg";  
  document.getElementById('navtxt').innerHTML = "";
}