var count=0;
defaultStatus = "|=- TOOL -=|";

if (document.images){ 
  aUp = new Image();
  aUp.src = "images/albums_01_on.gif";
  a = new Image();
  a.src = "images/albums_01.gif";

  bUp = new Image();
  bUp.src = "images/albums_02_on.gif";
  b = new Image();
  b.src = "images/albums_02.gif";

  cUp = new Image();
  cUp.src = "images/albums_03_on.gif";
  c = new Image();
  c.src = "images/albums_03.gif";

  dUp = new Image();
  dUp.src = "images/albums_04_on.gif";
  d = new Image();
  d.src = "images/albums_04.gif";

  eUp = new Image();
  eUp.src = "images/albums_05_on.gif";
  e = new Image();
  e.src = "images/albums_05.gif";

  fUp = new Image();
  fUp.src = "images/musicans_01_on.gif";
  f = new Image();
  f.src = "images/musicans_01.gif";

  gUp = new Image();
  gUp.src = "images/musicans_02_on.gif";
  g = new Image();
  g.src = "images/musicans_02.gif";

  hUp = new Image();
  hUp.src = "images/musicans_03_on.gif";
  h = new Image();
  h.src = "images/musicans_03.gif";

  iUp = new Image();
  iUp.src = "images/musicans_04_on.gif";
  i = new Image();
  i.src = "images/musicans_04.gif";

  jUp = new Image();
  jUp.src = "images/musicans_05_on.gif";
  j = new Image();
  j.src = "images/musicans_05.gif";

  kUp = new Image();
  kUp.src = "images/back_on.gif";
  k = new Image();
  k.src = "images/back.gif";


}
else
  alert("Problemy z załadowaniem menu dynamicznego.");

function off(nazwa_przycisku)
{
  if (document.images) 
   {
    document[nazwa_przycisku].src = eval(nazwa_przycisku + ".src");     
    }   
}
  
function on(nazwa_przycisku) 
{
  if (document.images) 
   {
    document[nazwa_przycisku].src = eval(nazwa_przycisku + "Up.src");
   }
}

// --- funkcja wyswietla tabelę główną z danymi o artystach ---
function zapal( nazwa_warstwy )
{
  document.getElementById( "mayn" ).style.visibility = "hidden";
  document.getElementById( "adam" ).style.visibility = "hidden";
  document.getElementById( "justin" ).style.visibility = "hidden";
  document.getElementById( "paul" ).style.visibility = "hidden";
  document.getElementById( "danny" ).style.visibility = "hidden";
  document.getElementById( "opiate" ).style.visibility = "hidden";
  document.getElementById( "undertow" ).style.visibility = "hidden";
  document.getElementById( "aenima" ).style.visibility = "hidden";
  document.getElementById( "lateralus" ).style.visibility = "hidden";
  document.getElementById( "salival" ).style.visibility = "hidden";

  document.getElementById( nazwa_warstwy ).style.visibility = "visible";
}