var textbank = Array(
  /*
  Array("Osobní stránky Marka Blahuše",
        "Personal pages of Marek Blahuš",
        "Personaj paĝoj de Marek Blahuŝ",
        "Personale Seiten von Marek Blahuš",
        "Páginas personales de Marek Blahuš"),
  */
  Array("O Marku Blahušovi",
        "About Marek Blahuš",
        "Pri Marek Blahuŝ",
        "Über Marek Blahuš",
        "Sobre Marek Blahuš"),
  Array("Rodina Blahušova",
        "The Blahuš family",
        "La familio Blahuŝ",
        "Die Familie Blahuš",
        "La familia Blahuš"),
  Array("Mezinárodní jazyk Esperanto",
        "International language Esperanto",
        "Internacia lingvo Esperanto",
        "Internationale Sprache Esperanto",
        "Idioma internacional Esperanto"),
  Array("O otci Bohumilu Blahušovi",
        "About the father Bohumil Blahuš",
        "Pri la patro Bohumil Blahuŝ",
        "Über dem Vater Bohumil Blahuš",
        "Sobre el padre Bohumil Blahuš"),
  Array("Další weby mimo blahus.cz",
        "Other webs outside blahus.cz",
        "Aliaj retejoj ekster blahus.cz",
        "Andere Seiten ausser blahus.cz",
        "Otras páginas web fuera de blahus.cz"),
  Array("",
        "",
        "",
        "",
        ""),
  Array("",
        "",
        "",
        "",
        ""),
  Array("SOČ 2004: Language Detector",
        "SOČ 2004: Language Detector",
        "SOČ 2004: Language Detector",
        "SOČ 2004: Language Detector",
        "SOČ 2004: Language Detector"),
  Array("Nejčastější chyby tvůrců WWW stránek",
        "The most common webmasters' errors",
        "La plej oftaj eraroj de retejestroj",
        "Die häufigsten Fehler der Webmasters",
        "Las faltas más repetidas de webmasters"),
  Array("SOČ 2003: Magna Familia",
        "SOČ 2003: Magna Familia",
        "SOČ 2003: Magna Familia",
        "SOČ 2003: Magna Familia",
        "SOČ 2003: Magna Familia"),
undefined);
function text(what, lang) {
  return textbank[what][lang];
  }
function display(what) {
  document.getElementById("image"+what).style.filter = "none";
  document.getElementById("center_cs").innerHTML = text(what, 0);
  document.getElementById("center_en").innerHTML = text(what, 1);
  document.getElementById("center_eo").innerHTML = text(what, 2);
  document.getElementById("center_de").innerHTML = text(what, 3);
  document.getElementById("center_sp").innerHTML = text(what, 4);
  document.getElementById("center_off").style.display = "none";
  document.getElementById("center_on").style.display = "block";
  }
function hide(what) {
  /*
  i = document.getElementById("image"+what);
  i.style.filter = "Gray Ligth(0)";
  i.filters.Light(0).addAmbient(0,255,255,255);
  document.getElementById("center_on").style.display = "none";
  document.getElementById("center_off").style.display = "block";
  */

  document.getElementById("image"+what).style.filter = "Gray";
  document.getElementById("center_on").style.display = "none";
  document.getElementById("center_off").style.display = "block";
  }
function on(what) {
  display(what);
  }
function off(what) {
  hide(what);
  }