if (document.images) {

  /* rollovers for the main nav */
  
  var btn_mainnav1_off = new Image();
  btn_mainnav1_off.src = "/originals/inturn/images/nav/btn_mainnav1_off.gif";
  var btn_mainnav1_on = new Image();
  btn_mainnav1_on.src = "/originals/inturn/images/nav/btn_mainnav1_on.gif";
  
  var btn_mainnav2_off = new Image();
  btn_mainnav2_off.src = "/originals/inturn/images/nav/btn_mainnav2_off.gif";
  var btn_mainnav2_on = new Image();
  btn_mainnav2_on.src = "/originals/inturn/images/nav/btn_mainnav2_on.gif";
  
  var btn_mainnav3_off = new Image();
  btn_mainnav3_off.src = "/originals/inturn/images/nav/btn_mainnav3_off.gif";
  var btn_mainnav3_on = new Image();
  btn_mainnav3_on.src = "/originals/inturn/images/nav/btn_mainnav3_on.gif";
  
  var btn_mainnav4_off = new Image();
  btn_mainnav4_off.src = "/originals/inturn/images/nav/btn_mainnav4_off.gif";
  var btn_mainnav4_on = new Image();
  btn_mainnav4_on.src = "/originals/inturn/images/nav/btn_mainnav4_on.gif";
  
  var btn_mainnav5_off = new Image();
  btn_mainnav5_off.src = "/originals/inturn/images/nav/btn_mainnav5_off.gif";
  var btn_mainnav5_on = new Image();
  btn_mainnav5_on.src = "/originals/inturn/images/nav/btn_mainnav5_on.gif";

  var btn_mainnav6_off = new Image();
  btn_mainnav6_off.src = "/originals/inturn/images/nav/btn_mainnav6_off.gif";
  var btn_mainnav6_on = new Image();
  btn_mainnav6_on.src = "/originals/inturn/images/nav/btn_mainnav6_on.gif";
  
  /* rollovers for the cast nav */
  
  var btn_head1_off = new Image();
  btn_head1_off.src = "/originals/inturn/images/nav/btn_head1_off.jpg";
  var btn_head1_on = new Image();
  btn_head1_on.src = "/originals/inturn/images/nav/btn_head1_on.jpg";
  
  var btn_head2_off = new Image();
  btn_head2_off.src = "/originals/inturn/images/nav/btn_head2_off.jpg";
  var btn_head2_on = new Image();
  btn_head2_on.src = "/originals/inturn/images/nav/btn_head2_on.jpg";
  
  var btn_head3_off = new Image();
  btn_head3_off.src = "/originals/inturn/images/nav/btn_head3_off.jpg";
  var btn_head3_on = new Image();
  btn_head3_on.src = "/originals/inturn/images/nav/btn_head3_on.jpg";
  
  var btn_head4_off = new Image();
  btn_head4_off.src = "/originals/inturn/images/nav/btn_head4_off.jpg";
  var btn_head4_on = new Image();
  btn_head4_on.src = "/originals/inturn/images/nav/btn_head4_on.jpg";
  
  var btn_head5_off = new Image();
  btn_head5_off.src = "/originals/inturn/images/nav/btn_head5_off.jpg";
  var btn_head5_on = new Image();
  btn_head5_on.src = "/originals/inturn/images/nav/btn_head5_on.jpg";
  
  var btn_head6_off = new Image();
  btn_head6_off.src = "/originals/inturn/images/nav/btn_head6_off.jpg";
  var btn_head6_on = new Image();
  btn_head6_on.src = "/originals/inturn/images/nav/btn_head6_on.jpg";
  
  var btn_head7_off = new Image();
  btn_head7_off.src = "/originals/inturn/images/nav/btn_head7_off.jpg";
  var btn_head7_on = new Image();
  btn_head7_on.src = "/originals/inturn/images/nav/btn_head7_on.jpg";
  
  var btn_head8_off = new Image();
  btn_head8_off.src = "/originals/inturn/images/nav/btn_head8_off.jpg";
  var btn_head8_on = new Image();
  btn_head8_on.src = "/originals/inturn/images/nav/btn_head8_on.jpg";
  
  
  /* rollover for poll */
  
  var btn_vote_off = new Image();
  btn_vote_off.src = "/originals/inturn/images/btn_vote_off.gif";
  var btn_vote_on = new Image();
  btn_vote_on.src = "/originals/inturn/images/btn_vote_on.gif";
  
 
  /* rollover for blog callout */
  
  var btn_blog_off = new Image();
  btn_blog_off.src = "/originals/inturn/images/btn_blog_off.jpg";
  var btn_blog_on = new Image();
  btn_blog_on.src = "/originals/inturn/images/btn_blog_on.jpg";
  
  /* rollover for bio page */
  
  var btn_personalinfo_off = new Image();
  btn_personalinfo_off.src = "/originals/inturn/images/btn_personalinfo_off.gif";
  var btn_personalinfo_on = new Image();
  btn_personalinfo_on.src = "/originals/inturn/images/btn_personalinfo_on.gif";
  
  var btn_favorites_off = new Image();
  btn_favorites_off.src = "/originals/inturn/images/btn_favorites_off.gif";
  var btn_favorites_on = new Image();
  btn_favorites_on.src = "/originals/inturn/images/btn_favorites_on.gif";
  
}

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

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