function max(o){
  //o.style.width='600px';
  //o.style.height='450px';
  //alert(o.parentNode.offsetTop);
  
  oEkran = document.getElementById("ekran");
  oEkran.src = o.src;
  wysokosc = o.parentNode.offsetTop + 70;
  oEkran.style.top = wysokosc+"px";
  oEkran.style.visibility = 'visible';
}
function mini(oImg){
  oEkran = document.getElementById("img_"+oImg.parentNode.id);
  oEkran.src = oImg.src;
  roll("gal_"+oImg.parentNode.id);
}
function roll(nazwa){
  oContent = document.getElementById(nazwa);
  if (oContent.style.display == "block")
    oContent.style.display = "none";
  else 
    oContent.style.display = "block";

}

function galeria(){
  galerie = new Array();
  oDivs=document.getElementsByTagName("DIV");
  oDivsLen = oDivs.length;
  r=0;
  for (i=0; i<oDivsLen; i++){
    if (oDivs[i].className=="galeria"){
      galerie[r++]=oDivs[i];
    }
  }
  galerieLen = galerie.length;
  for (i=0; i<galerieLen; i++){
    galerie[i].innerHTML+="<div class='ekran' id='gal_"+galerie[i].id+"'><img src='./grafika/spacer.gif' id='img_"+galerie[i].id+"' class='ekran' alt='' /></div>";
    oImgs = galerie[i].getElementsByTagName("IMG");
    oImgsLen = oImgs.length;
    for (r=0;r<oImgsLen;r++){
      if (oImgs[r].className=="mini"){
        oImgs[r].onmouseover = function (){mini(this);}
        oImgs[r].onmouseout = function (){roll("gal_"+this.parentNode.id);}
      }
    }
  }
}

function znajdz_rolety(){
  rolety = new Array();
  oDivs=document.getElementsByTagName("DIV");
  oDivsLen = oDivs.length;
  r=0;
  for (i=0; i<oDivsLen; i++){
    if (oDivs[i].className=="roleta"){
      rolety[r++]=oDivs[i];
      }
  }
  roletyLen = rolety.length;
  for (i=0; i<roletyLen; i++){
    content=rolety[i].innerHTML;
    rolety[i].innerHTML="<div class='title' onClick='roll(this)'>"+rolety[i].title+"</div>";
    rolety[i].innerHTML+="<div class='content'>"+content+"</div>";
  }
}