// JavaScript Document
if (document.images) {
var about_off = new Image();
  about_off.src = "images/about_off.gif";
  var about_on = new Image();
  about_on.src = "images/about_on.gif";
  var events_off = new Image();
  events_off.src = "images/events_off.gif";
  var events_on = new Image();
  events_on.src = "images/events_on.gif";
  var menu_off = new Image();
  menu_off.src = "images/menu_off.gif";
  var menu_on = new Image();
  menu_on.src = "images/menu_on.gif";
  var contact_off = new Image();
  contact_off.src = "images/contact_off.gif";
  var contact_on = new Image();
  contact_on.src = "images/contact_on.gif";
}

function rollOver(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_on.src");
}

function rollOut(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + "_off.src");
}