home_over = new Image(140,27);
  home_on = new Image(140,27);
  home_off = new Image(140,27);
  home_over.src = "images/home_btn_on.jpg"; 
  home_on.src = "images/home_btn_over.jpg";  
  home_off.src = "images/home_btn_off.jpg";  

  contact_over = new Image(140,27);
  contact_on = new Image(140,27);
  contact_off = new Image(140,27);
  contact_over.src = "images/contact_btn_on.jpg"; 
  contact_on.src = "images/contact_btn_over.jpg";  
  contact_off.src = "images/contact_btn_off.jpg";  

  products_over = new Image(140,28);
  products_on = new Image(140,28);
  products_off = new Image(140,28);
  products_over.src = "images/products_btn_on.jpg";
  products_on.src = "images/products_btn_over.jpg";  
  products_off.src = "images/products_btn_off.jpg";  

  use_cases_over = new Image(140,28);
  use_cases_on = new Image(140,28);
  use_cases_off = new Image(140,28);
  use_cases_over.src = "images/use_cases_btn_on.jpg"; 
  use_cases_on.src = "images/use_cases_btn_over.jpg";  
  use_cases_off.src = "images/use_cases_btn_off.jpg";

  about_over = new Image(140,28);
  about_on = new Image(140,28);
  about_off = new Image(140,28);
  about_over.src = "images/about_btn_on.jpg"; 
  about_on.src = "images/about_btn_over.jpg";  
  about_off.src = "images/about_btn_off.jpg";

  login_over = new Image(140,28);
  login_on = new Image(140,28);
  login_off = new Image(140,28);
  login_over.src = "images/login_btn_on.jpg"; 
  login_on.src = "images/login_btn_over.jpg";  
  login_off.src = "images/login_btn_off.jpg";


  h_view_over = new Image(185,105);
  h_view_off = new Image(185,105);
  h_view_over.src = "images/home_disk_view_stats_and_standings.jpg"; 
  h_view_off.src = "images/spacer.gif";  

  h_products_over = new Image(185,105);
  h_products_off = new Image(185,1058);
  h_products_over.src = "images/home_disk_products_and_services.jpg";
  h_products_off.src = "images/spacer.gif";  

  h_contact_over = new Image(185,105);
  h_contact_off = new Image(185,105);
  h_contact_over.src = "images/home_disk_contact_hsi.jpg"; 
  h_contact_off.src = "images/spacer.gif";

  h_about_over = new Image(185,105);
  h_about_off = new Image(185,105);
  h_about_over.src = "images/home_disk_about_hsi.jpg"; 
  h_about_off.src = "images/spacer.gif";

  h_login_over = new Image(185,105);
  h_login_off = new Image(185,1058);
  h_login_over.src = "images/home_disk_login.jpg"; 
  h_login_off.src = "images/spacer.gif";

 function stopError() {
   return true;
 }
 window.onerror = stopError;

 var currentPage = location.toString();
 currentPage = currentPage.substring(currentPage.lastIndexOf("/")+1,currentPage.length); 
 var currentName = currentPage.substring(0,currentPage.lastIndexOf("."));
 
  function Navigate(name,url){
    if (url != currentPage) {
//      document.location.replace(url);
        window.location.href = url;
    }
  }

  function highlight(name){
    if (name != currentName) {
      document.images[name].src = eval(name + "_over.src");
    }
  }

  function dim(name){
    if (name != currentName) {
      document.images[name].src = eval(name + "_off.src");
    }
  }