{

     info_on  = new Image (80,12);  info_on.src  = "images/info_on.gif";
     info_off = new Image (80,12);  info_off.src = "images/info_off.gif";

     lodging_on  = new Image (80,12);  lodging_on.src  = "images/lodging_on.gif";
     lodging_off = new Image (80,12);  lodging_off.src = "images/lodging_off.gif";

     program_on  = new Image (80,12);  program_on.src  = "images/program_on.gif";
     program_off = new Image (80,12);  program_off.src = "images/program_off.gif";

     participants_on   = new Image (80,12);  participants_on.src  = "images/participants_on.gif";
     participants_off  = new Image (80,12);  participants_off.src = "images/participants_off.gif";

     registration_on   = new Image (80,12);  registration_on.src   = "images/registration_on.gif";
     registration_off  = new Image (80,12);  registration_off.src  = "images/registration_off.gif";

     talks_on  = new Image (80,12);  talks_on.src  = "images/talks_on.gif";
     talks_off = new Image (80,12);  talks_off.src = "images/talks_off.gif";

     ligo_on   = new Image (80,18);  ligo_on.src  = "images/ligo_on.gif";
     ligo_off  = new Image (80,18);  ligo_off.src = "images/ligo_off.gif";

     contact_on   = new Image (80,18);  contact_on.src  = "images/contact_on.gif";
     contact_off  = new Image (80,18);  contact_off.src = "images/contact_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")
  }