if (document.images) {
  var defImg = "critical";
	
  var titleon = new Image();
  titleon.src = "images/aw_title.jpg";
  var titleoff = new Image();
  titleoff.src = "images/aw_title.jpg";	
	
  var workon = new Image();
  workon.src = "images/aw_work_b.jpg";
  var workoff = new Image();
  workoff.src = "images/aw_work.jpg";
  
  var paperon = new Image();
  paperon.src = "images/aw_paper_b.jpg";
  var paperoff = new Image();
  paperoff.src = "images/aw_paper.jpg";
  
  var sculptureon = new Image();
  sculptureon.src = "images/aw_sculpture_b.jpg";
  var sculptureoff = new Image();
  sculptureoff.src = "images/aw_sculpture.jpg";
  
  var printon = new Image();
  printon.src = "images/aw_in_print_b.jpg";
  var printoff = new Image();
  printoff.src = "images/aw_in_print.jpg";
  
  var art_forumon = new Image();
  art_forumon.src = "images/aw_art_forum_b.jpg";
  var art_forumoff = new Image();
  art_forumoff.src = "images/aw_art_forum.jpg";
  
  var criticalon = new Image();
  criticalon.src = "images/aw_critical_b.jpg";
  var criticaloff = new Image();
  criticaloff.src = "images/aw_critical.jpg";
  
  var bioon = new Image();
  bioon.src = "images/aw_bio_b.jpg";
  var biooff = new Image();
  biooff.src = "images/aw_bio.jpg";
  
  var contacton = new Image();
  contacton.src = "images/aw_contact_b.jpg";
  var contactoff = new Image();
  contactoff.src = "images/aw_contact.jpg";
  
  var emailon = new Image();
  emailon.src = "images/aw_email_b.jpg";
  var emailoff = new Image();
  emailoff.src = "images/aw_email.jpg";
}

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

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

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

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

// -->