var arty = new Array();
arty[0] = "fel";
arty[1] = "arts";
arty[2] = "zdjecia";

var new_id = 0;
var zmiana = 0;

function art(id) {
  document.getElementById("fel").style.display="none";
  document.getElementById("arts").style.display="none";
  document.getElementById("zdjecia").style.display="none";
  document.getElementById(id).style.display="block";
  data = new Date();
  zmiana = data.getTime();  
}

function art_auto() {

  if (zmiana > 0) {
   data = new Date();
   teraz = data.getTime();
   if ((zmiana+5000) < teraz) {
    auto_zmiana ()   
   } else {
    var ile = (zmiana+5000) - teraz;
    window.setTimeout('art_auto();', ile);
   }
  } else {
   auto_zmiana ()
  }
}

function auto_zmiana () {

var current_id = 0;
    if (document.getElementById("arts").style.display== "block") {
     current_id = 1;
    } else if (document.getElementById("zdjecia").style.display== "block") {
     current_id = 2;
    }
  
    var new_id_lp = current_id + 1;
    if (new_id_lp > 2) new_id_lp = 0;
    var id = arty[new_id_lp];
  
    document.getElementById("fel").style.display="none";
    document.getElementById("arts").style.display="none";
    document.getElementById("zdjecia").style.display="none";
    document.getElementById(id).style.display="block";
  
    window.setTimeout('art_auto();', 5000);

}

function mecze(id) {
  document.getElementById("nastepny").style.display="none";
  document.getElementById("ostatni").style.display="none";
  document.getElementById(id).style.display="block";
}

function tab(id) {
  document.getElementById("tabela").style.display="none";
  document.getElementById("ost").style.display="none";
  document.getElementById("nast").style.display="none";
  document.getElementById(id).style.display="block";
}

function cyt(id) {
  document.getElementById("cytat").style.display="none";
  document.getElementById("post").style.display="none";
  document.getElementById(id).style.display="block";
}
function f(id) {
  document.getElementById("for").style.display="none";
  document.getElementById("now").style.display="none";
  document.getElementById("plik").style.display="none";
  document.getElementById(id).style.display="block";
}
function lnk(id) {
  document.getElementById("links").style.display="none";
  document.getElementById("part").style.display="none";
  document.getElementById(id).style.display="block";
}