if( navigator.appVersion.charAt(0) >= "3" ){
      uphome         = new Image(); uphome.src         = "Images/menu_home-up.gif";
      upinformation  = new Image(); upinformation.src  = "Images/menu_information-up.gif";
      upprogram      = new Image(); upprogram.src      = "Images/menu_program-up.gif";
      upregistration = new Image(); upregistration.src = "Images/menu_registration-up.gif";
      uphotels       = new Image(); uphotels.src       = "Images/menu_hotels-up.gif";
      upkyoto        = new Image(); upkyoto.src        = "Images/menu_kyoto-up.gif";
      uppost         = new Image(); uppost.src         = "Images/menu_post-up.gif";

      overhome         = new Image(); overhome.src         = "Images/menu_home-over.gif";
      overinformation  = new Image(); overinformation.src  = "Images/menu_information-over.gif";
      overprogram      = new Image(); overprogram.src      = "Images/menu_program-over.gif";
      overregistration = new Image(); overregistration.src = "Images/menu_registration-over.gif";
      overhotels       = new Image(); overhotels.src       = "Images/menu_hotels-over.gif";
      overkyoto        = new Image(); overkyoto.src        = "Images/menu_kyoto-over.gif";
      overpost         = new Image(); overpost.src         = "Images/menu_post-over.gif";
    }

    function mchg( id, fname ) {
      if( navigator.appVersion.charAt(0) >= "3" ){
        document.images[id].src = eval(fname + ".src");
      }
    }