{  contacts_on  = new Image (67,15);  contacts_on.src  = "../images/contacts_on.gif";
     contacts_off = new Image (67,15);  contacts_off.src = "../images/contacts_off.gif";

     facts_on  = new Image (100,15);  facts_on.src  = "../images/facts_on.gif";
     facts_off = new Image (100,15);  facts_off.src = "../images/facts_off.gif";

     chrono_on  = new Image (110,15);  chrono_on.src  = "../images/chrono_on.gif";
     chrono_off = new Image (110,15);  chrono_off.src = "../images/chrono_off.gif";

     articles_on  = new Image (85,15);  articles_on.src  = "../images/articles_on.gif";
     articles_off = new Image (85,15);  articles_off.src = "../images/articles_off.gif";

     projects_on  = new Image (115,15);  projects_on.src  = "../images/projects_on.gif";
     projects_off = new Image (115,15);  projects_off.src = "../images/projects_off.gif";

     photos_on   = new Image (100,15);  photos_on.src  = "../images/photos_on.gif";
     photos_off  = new Image (100,15);  photos_off.src = "../images/photos_off.gif";

     news_on   = new Image (100,15);  news_on.src  = "../images/news_on.gif";
     news_off  = new Image (100,15);  news_off.src = "../images/news_off.gif";
  }

  function SwitchGif(ImgDocID,ImgObjName)
  {       if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3)
     document.images[ImgDocID].src = eval(ImgObjName + ".src")

     else if (navigator.appName != "Netscape"  && parseInt (navigator.appVersion) >= 4)
     document.images[ImgDocID].src = eval(ImgObjName + ".src")
  }