if (document.images) {
  var home_off = new Image();
  home_off.src = "./images/home_off.gif";
  var home_on = new Image();
  home_on.src = "./images/home_on.gif";

  var mascot_off = new Image();
  mascot_off.src = "./images/mascot_off.gif";
  var mascot_on = new Image();
  mascot_on.src = "./images/mascot_on.gif";

  var help_off = new Image();
  help_off.src = "./images/help_off.gif";
  var help_on = new Image();
  help_on.src = "./images/help_on.gif";
}
function actMenuItem(imgName) {
  act(imgName);
}
function inactMenuItem(imgName) {
  inact(imgName);
}
function act(imgName) {
  if (document.images) 
    document[imgName].src = eval(imgName + "_on.src");
}
function inact(imgName) {
  if (document.images)
    document[imgName].src = eval(imgName + "_off.src");
}
function getCookie(name) {
  if (document.cookie.length > 0) {
    var search = name + "=";
    var offset = document.cookie.indexOf(search); 
    if (offset > 0) {
      var search = " " + name + "=";
      offset = document.cookie.indexOf(search); 
    }
    if (offset != -1) { 
      offset += search.length;
      var end = document.cookie.indexOf(";", offset);
      if (end == -1){ 
        end = document.cookie.length;
      }
      return unescape(document.cookie.substring(offset, end));
    }
  }
}  
var login_text = " ";
var MascotUserName = getCookie("MASCOT_USERNAME");
var MascotUserId = getCookie("MASCOT_USERID");
if (MascotUserName != null && MascotUserName != "") {
  login_text = "<FONT COLOR=#ffffff size=-1 style=\"font-size: 10px;\">" +
               "Logged in as " + MascotUserName;
  if (MascotUserId != null && parseInt(MascotUserId) > 999) {
    login_text = login_text + " | <A HREF=\"./cgi/login.pl?display=editprofile_prompt\" class=\"menubar\">Edit</A>";
  }
  login_text = login_text + " | <A HREF=\"./cgi/login.pl?action=logout\" class=\"menubar\">Logout</A></FONT>";
}