if (document.images)
{
  preload_image_object = new Image();
  image_url = new Array();
  image_url[0] = "./img/fotogalerie/autobus.jpg";
  image_url[1] = "./img/fotogalerie/bazen.jpg";
  image_url[2] = "./img/fotogalerie/bobovka.jpg";
  image_url[3] = "./img/fotogalerie/menu-titulka-fly-park-ano.gif";
  image_url[4] = "./img/fotogalerie/horolezec.jpg";
  image_url[5] = "./img/fotogalerie/houpacka.jpg";
  image_url[6] = "./img/fotogalerie/kolobezky.jpg";
  image_url[7] = "./img/fotogalerie/medvedin.jpg";
  image_url[8] = "./img/fotogalerie/premosteni.jpg";
  image_url[9] = "./img/fotogalerie/restaurace.jpg";
  image_url[10] = "./img/fotogalerie/svatypetr.jpg";
  var i = 0;
  for(i=0; i<=3; i++) preload_image_object.src = image_url[i];
}