<!--
 if (document.images) {
  var defImg = "home";

var publicityoff = new Image();
  publicityoff.src = "./images/nav/publicity_off.gif";
var publicityover = new Image();
  publicityover.src = "./images/nav/publicity_over.gif";
var eventsoff = new Image();
  eventsoff.src = "./images/nav/events_off.gif";
var eventsover = new Image();
  eventsover.src = "./images/nav/events_over.gif";
var crisis_managementoff = new Image();
  crisis_managementoff.src = "./images/nav/crisis_management_off.gif";
var crisis_managementover = new Image();
  crisis_managementover.src = "./images/nav/crisis_management_over.gif";
var media_trainingoff = new Image();
  media_trainingoff.src = "./images/nav/media_training_off.gif";
var media_trainingover = new Image();
  media_trainingover.src = "./images/nav/media_training_over.gif";
var trade_showsoff = new Image();
  trade_showsoff.src = "./images/nav/trade_shows_off.gif";
var trade_showsover = new Image();
  trade_showsover.src = "./images/nav/trade_shows_over.gif";
var business_developmentoff = new Image();
  business_developmentoff.src = "./images/nav/business_development_off.gif";
var business_developmentover = new Image();
  business_developmentover.src = "./images/nav/business_development_over.gif";
}

function actMenuItem(imgName) {
  act(imgName);
  //inact(defImg);
}

function inactMenuItem(imgName) {
  inact(imgName);
 // act(defImg);
}

function act(imgName) {
  var t;
  if (imgName == 'historyimg') { 
  	t = 'history';
  } else {
  	t = imgName;
  }
  if (document.images)
    document.images[imgName].src = eval(t + "over.src");
}

function inact(imgName) {
  var t;
  if (imgName == 'historyimg') { 
  	t = 'history';
  } else {
  	t = imgName;
  }
  if (document.images)
    document.images[imgName].src = eval(t + "off.src");
}
//-->