//support image rollovers

 if(((parseInt(navigator.appVersion.substring(0,1))>=3) &&
     (navigator.appName.substring(0, 8) == "Netscape"))
   ||
    ((parseInt(navigator.appVersion.substring(0,1))>=4) &&
     (0<= navigator.userAgent.indexOf("MSIE"))))
{
  canroll = true; //enable rollovers

  intro_lo = new Image();
  intro_lo.src = "images/navpics/intro_lo.jpg";
  intro_hi = new Image();
  intro_hi.src = "images/navpics/intro_hi.jpg";

  faq_lo = new Image();
  faq_lo.src = "images/navpics/faq_lo.jpg";
  faq_hi = new Image();
  faq_hi.src = "images/navpics/faq_hi.jpg";

  news_lo = new Image();
  news_lo.src = "images/navpics/news_lo.jpg";
  news_hi = new Image();
  news_hi.src = "images/navpics/news_hi.jpg";

  mag_lo = new Image();
  mag_lo.src = "images/navpics/mag_lo.jpg";
  mag_hi = new Image();
  mag_hi.src = "images/navpics/mag_hi.jpg";

  hist_lo = new Image();
  hist_lo.src = "images/navpics/hist_lo.jpg";
  hist_hi = new Image();
  hist_hi.src = "images/navpics/hist_hi.jpg";

  view_lo = new Image();
  view_lo.src = "images/navpics/view_lo.jpg";
  view_hi = new Image();
  view_hi.src = "images/navpics/view_hi.jpg";

  add_lo = new Image();
  add_lo.src = "images/navpics/add_lo.jpg";
  add_hi = new Image();
  add_hi.src = "images/navpics/add_hi.jpg";

  joinlist_lo = new Image();
  joinlist_lo.src = "images/navpics/joinlist_lo.jpg";
  joinlist_hi = new Image();
  joinlist_hi.src = "images/navpics/joinlist_hi.jpg";

  newslttr_lo = new Image();
  newslttr_lo.src = "images/navpics/newslttr_lo.jpg";
  newslttr_hi = new Image();
  newslttr_hi.src = "images/navpics/newslttr_hi.jpg";

  friend_lo = new Image();
  friend_lo.src = "images/navpics/friend_lo.jpg";
  friend_hi = new Image();
  friend_hi.src = "images/navpics/friend_hi.jpg";

  notice_lo = new Image();
  notice_lo.src = "images/navpics/notice_lo.jpg";
  notice_hi = new Image();
  notice_hi.src = "images/navpics/notice_hi.jpg";

  staffroom_lo = new Image();
  staffroom_lo.src = "images/navpics/staffroom_lo.jpg";
  staffroom_hi = new Image();
  staffroom_hi.src = "images/navpics/staffroom_hi.jpg";

  classroom_lo = new Image();
  classroom_lo.src = "images/navpics/classroom_lo.jpg";
  classroom_hi = new Image();
  classroom_hi.src = "images/navpics/classroom_hi.jpg";

  visitor_lo = new Image();
  visitor_lo.src = "images/navpics/visitor_lo.jpg";
  visitor_hi = new Image();
  visitor_hi.src = "images/navpics/visitor_hi.jpg";

  links_lo = new Image();
  links_lo.src = "images/navpics/links_lo.jpg";
  links_hi = new Image();
  links_hi.src = "images/navpics/links_hi.jpg";

  pagetop_lo = new Image();
  pagetop_lo.src = "images/navpics/pagetop_lo.jpg";
  pagetop_hi = new Image();
  pagetop_hi.src = "images/navpics/pagetop_hi.jpg";

  prevpage_lo = new Image();
  prevpage_lo.src = "images/navpics/prevpage_lo.jpg";
  prevpage_hi = new Image();
  prevpage_hi.src = "images/navpics/prevpage_hi.jpg";
}

/*
function switchto(name, hi)
{
  if(canroll)
  {
    image = eval(name + (hi == 1 ? "_hi.src" : "_lo.src"));
    document[name].src = image;
  }
}*/