var over = false;
var tip = "      Tip: vyzkou%u0161ejte co dovedou kl%E1vesy  [+]  [-]  [*]  [<]  [>]";
var size = 0;
var obr_size_exist = false;

if (typeof(fjs) != "undefined")
  document.write('<script language="javascript" src=' + fjs +'></script>');

function Inic2() {
  if (document.all) {
    document.write('\
<div id="sipky" style="position: absolute; filter: blendTrans(duration=0.5);\
 visibility: hidden; z-index: 1; cursor: hand">\
<img src="obrazky/sip_vl_n.gif" name="mvzad" border="0" onclick="Jdi(false)"\
 onmouseover="return VVOver(false)" onmouseout="VVOut(false)">\
<img src="obrazky/sip_vp_n.gif" name="mvpred" border="0" onclick="Jdi(true)"\
 onmouseover="return VVOver(true)" onmouseout="VVOut(true)">\
</div>');
    SipkyVis("visible");
    window.onscroll = Scro;
    window.onresize = Resi;
    window.setTimeout("SipkyHide()", 3000);
    document.onkeydown = keyDown;
    if (typeof(parent.frames[1]) != "undefined")
      if (typeof(parent.frames[1].document.all.obr_size) != "undefined") {
        obr_size_exist = true;
        size = parseInt(parent.frames[1].document.all.obr_size.value);
        if (size < 20 || size > 100) size = 0;
      }
    Scro();
  };
  akt --;
  Jdi(true);
}

function SipkyHide() {
  document.onmousemove = MoveHandler;
  document.onmouseout = MoveHandler;
  if (!over) SipkyVis("hidden");
}

function SetObrSize() {
  if (size == 0 || size == 10 || size == -10) {
    var nsize = document.body.offsetWidth / foto[akt][1] * 100 - 1;
    var nsize2 = document.body.offsetHeight / foto[akt][2] * 100 - 1;
    nsize = (nsize > nsize2) ? nsize2 : nsize;
    if (!obr_size_exist) nsize -= 3;
    nsize = (nsize > 100) ? 100 : nsize;
    nsize = (nsize < 20) ? 20 : nsize;
    if (size != 0) {
      nsize -= nsize % 10;
      if ((size > 0 && nsize != 100) || (size < 0 && nsize == 100)) 
        nsize += size;
      size = nsize;
    }
  } else nsize = size;
  document.obr.width = foto[akt][1] * nsize / 100;
  document.obr.height = foto[akt][2] * nsize / 100;
}

function keyDown() {
  var ieKey = event.keyCode;
  if (ieKey == 188 || ieKey == 190) {
    Jdi(ieKey == 190);
    return;
  }
  if (ieKey != 106 && ieKey != 107 && ieKey != 109) return;

  if (ieKey == 106) size = 0;
  if (ieKey == 107 && size < 100) size += 10;
  if (ieKey == 109 && (size > 20 || size == 0)) size -= 10;
  Resi();
  MoveHandler();
  if (obr_size_exist)
    parent.frames[1].document.all.obr_size.value = size;
}

function SipkyVis(visib) {
  with (document.all.sipky)
    if (style.visibility != visib) {
      filters(0).apply();
      style.visibility = visib;
      filters(0).play();
    }
}

function MoveHandler() {
  Scro();
  if (event.clientX < 45 && event.clientX >= 0 &&
      event.clientY < 25 && event.clientY >= 0)
    SipkyVis("visible")
  else SipkyVis("hidden");
}

function Scro() {
  document.all.sipky.style.posTop = document.body.scrollTop + 5;
  document.all.sipky.style.posLeft = document.body.scrollLeft + 5;
}

function Resi() {
  SetObrSize();
  Scro();
}

function NastavSrcSip(vpred, aktiv) {
  if (vpred) document.mvpred.src = (aktiv) ?
    "obrazky/sip_vp_a.gif" : "obrazky/sip_vp_n.gif"
  else document.mvzad.src = (aktiv) ?
    "obrazky/sip_vl_a.gif" : "obrazky/sip_vl_n.gif";
}

function VVOver(vpred) {
  NastavSrcSip(vpred, (vpred) ? (akt + 1 < foto.length) : (akt > 0));
  if (!over) window.status = (vpred) ?
    unescape("Dal%u0161%ED" + tip) : unescape("P%u0159edchoz%ED" + tip);
  over = true;
  return true;
}

function VVOut(vpred) {
  NastavSrcSip(vpred, false);
  over = false;
}

function Jdi(vpred) {
  if (vpred)
    if (akt + 1 < foto.length) akt ++
    else return
  else
    if (akt > 0) akt --
    else return;
  if (foto[akt][0].substr(0, 1) == '<' || document.obr.src.indexOf(foto[akt][0]) != -1) {
    Jdi(vpred);
    return;
  }
  with (document.obr) {
    width = 0;
    height = 0;
    src = "obrazky/bod.gif";
    alt = foto[akt][4];
    SetObrSize();
    src = path + foto[akt][0];
  }
  window.defaultStatus = foto[akt][4];
  if (document.all) {
    Scro();
    if (over) VVOver(vpred);
  }
}