      <!-- hide script from old browsers
//detect browser:
      browserName = navigator.appName;
      browserVer = parseInt(navigator.appVersion);
      if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
      else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) browserVer
      = "1";
      else browserVer = "2";
//preload IMAGES:
      if (browserVer == 1) {
//travelling
      tr1a = new Image(123,33);
      tr1a.src = "obr/tr1a.jpg";
      tr1b = new Image(123,33);
      tr1b.src = "obr/tr1b.jpg";

      trav1a = new Image(133,91);
      trav1a.src = "obr/travelling1a.jpg";

//ethics      
      et1a = new Image(123,33);
      et1a.src = "obr/et1a.jpg";
      et1b = new Image(123,33);
      et1b.src = "obr/et1b.jpg";

      ethics1a = new Image(133,91);
      ethics1a.src = "obr/ethics1a.jpg";

//proverbs   
      pr1a = new Image(123,33);
      pr1a.src = "obr/pr1a.jpg";
      pr1b = new Image(123,33);
      pr1b.src = "obr/pr1b.jpg";

      prover1a = new Image(133,91);
      prover1a.src = "obr/proverbs1a.jpg";

//fokus
      fo1a = new Image(123,33);
      fo1a.src = "obr/fo1a.jpg";
      fo1b = new Image(123,33);
      fo1b.src = "obr/fo1b.jpg";	 	

      fokus1a = new Image(133,91);
      fokus1a.src = "obr/fokus1a.jpg";

//plans
      pl1a = new Image(123,33);
      pl1a.src = "obr/pl1a.jpg";
      pl1b = new Image(123,33);
      pl1b.src = "obr/pl1b.jpg";

      plans1a = new Image(133,91);
      plans1a.src = "obr/plans1a.jpg";

//about me
      ab1a = new Image(123,33);
      ab1a.src = "obr/ab1a.jpg";
      ab1b = new Image(123,33);
      ab1b.src = "obr/ab1b.jpg";	 	

      about1a = new Image(133,91);
      about1a.src = "obr/aboutme1a.jpg";

//
      }
//end hiding -->