<!--
function preLoad() {
  // Begin listing for Active or "on" Images
  abouton = new Image();
  abouton.src = "images/nav_about_over.gif"; 
  newson = new Image(); 
  newson.src = "images/nav_news_over.gif";  
  projectson = new Image(); 
  projectson.src = "images/nav_projects_over.gif";  
  directoryon = new Image();
  directoryon.src = "images/nav_directory_over.gif";
  reportson = new Image();
  reportson.src = "images/nav_reports_over.gif";
  libraryon = new Image();
  libraryon.src = "images/nav_library_over.gif";

  // Begin listing for Active or "on" Images
  aboutoff = new Image();
  aboutoff.src = "images/nav_about_off.gif"; 
  newsoff = new Image(); 
  newsoff.src = "images/nav_news_off.gif";  
  projectsoff = new Image(); 
  projectsoff.src = "images/nav_projects_off.gif";  
  directoryoff = new Image();
  directoryoff.src = "images/nav_directory_off.gif";
  reportsoff = new Image();
  reportsoff.src = "images/nav_reports_off.gif";
  libraryoff = new Image();
  libraryoff.src = "images/nav_library_off.gif";
}

// Function to 'activate' images.
function imgOn(imgName) {
  if (document.images) {
    document.images[imgName].src = eval(imgName + "on.src");
    return true;
  }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
  if (document.images) {
    document.images[imgName].src = eval(imgName + "off.src");
    return true;
  }
}
//-->