var x = 0;

function akt(farbe,nummer,status)
{
  if (x != nummer)
  {
    if (document["Button"+nummer])
        document["Button"+nummer].src="./images/bg/button"+farbe+"_"+nummer+"_"+status+".gif";
  }
}

function set(farbe, nummer)
{
  for (i=1;i<=10;i++)
  {
    document["Button"+i].src="./images/bg/button"+farbe+"_"+i+"_n.gif";
  }

  if (nummer)
  {
    document["Button"+nummer].src="./images/bg/button"+farbe+"_"+nummer+"_a.gif";
    x = nummer;
  }

  for (i=1;i<=6;i++)
  {
    if (document["puzzle"+i])
    {
      document["puzzle"+i].src="./images/bg/puzzle"+farbe+"_"+i+".gif";
    }
  }

  document["logo"].src="./images/bg/logo"+farbe+".gif";
}

if (document.images || navigator.userAgent.indexOf("opera") != "-1")
{
  for (i=1;i<=10;i++)
  {
    image = new Image();
    image.src="./images/button"+i+"_a.gif";
  }
}