function Fotogalerie(server, tabulka, id, vybrany_dokument)
{
  var okno;
  var vyska, sirka;
  var url, nazev, vlastnosti;

  sirka = 800;
  vyska = 598;

  url        = "fotogalerie.html?popup=true&server="+server+"&tabulka="+tabulka+"&id="+id+"&vybrany_dokument="+vybrany_dokument;
  nazev      = "Fotogalerie_"+id;
  vlastnosti = "width="+sirka+", height="+vyska+", resizable=yes, scrollbars=yes";

  okno = window.open(url, nazev, vlastnosti);

  okno.moveTo(screen.width / 2 - sirka / 2, screen.height / 2 - vyska / 2);  

  return true;
}


function ExternalLink(URL)
{
  var okno;

  /*
  var vlastnosti;
  var vyska, sirka;

  vyska = Math.round(screen.height * 0.6);
  sirka = Math.round(screen.width * 0.6); 
    
  vlastnosti = "width="+sirka+", height="+vyska+", resizable=yes, scrollbars=yes, toolbar=yes, menubar=yes, adressbar=yes, status=yes, location=yes, directories=yes";
  */
  if (okno = window.open(URL, "_blank"))
    return true;
  else
    return false;
}

function WriteSlideshow(lang)
{
  var text;

  text = "";
  text += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="339" height="275" id="slideshow_flash">';
  text += '  <param name="movie" value="/'+lang+'/images/slideshow.swf" />'; 
  text += '  <param name="quality" value="high" />'; 
  text += '  <param name="bgcolor" value="#FFFFFF" />'; 
  text += '  <param name="menu" value="false" />';
  text += "  <embed src='/"+lang+"/images/slideshow.swf' menu='false' quality='high' bgcolor='#FFFFFF'  width='339' height='275' name='slideshow_flash' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer'></embed>";
  text += '</object>';

  document.writeln(text);
}


function PodbarviPodrubriku(prvek, stav)
{
  if (stav == 2)
    prvek.style.backgroundColor = '#F7F7F7';    
  else if (stav == 1)
    prvek.style.backgroundColor = '#FCD4B3';    
  else if (stav == 0)
    prvek.style.backgroundColor = '#F7F7F7';
  else
    prvek.style.backgroundColor = '#FFFFFF';
}


function Marquee(zprava, posunuti)
{
  var marquee;
  var novinky;
  var timer;
  var delay;
  var barva;
  var r,g,b;
  var intenzita;

  posunuti -= 1;
  delay = 50;

  marquee = document.getElementById("marquee");
  novinky = document.getElementById("novinky");

  if (posunuti <= -20) {
    zprava++;
    if (zprava >= zpravy_marquee.length)
      zprava = 0;
    posunuti = 20;
    marquee.innerHTML = zpravy_marquee[zprava];
  }

  if (posunuti == 0)
    delay = 5000;

  barva = Math.round((Math.abs(posunuti) / 15 * 255));
  if (barva < 0)
    barva = 0;
  if (barva > 255)
    barva = 255;

  intenzita = 1 - (barva / 255);

  r = Math.round(255 - intenzita * (255)); 
  g = Math.round(255 - intenzita * (255)); 
  b = Math.round(255 - intenzita * (255)); 
  

  novinky.style.color = "rgb("+r+", "+g+", "+b+")"; 

  if (navigator.appVersion.indexOf("MSIE") > 0) {
    marquee.style.top = posunuti+"px";
  }
  else {
    marquee.style.top = posunuti+"px";
  }

  timer = setTimeout("Marquee("+zprava+", "+posunuti+")", delay); 
}

function PopUp(prvek, stav) {
  var objekt = document.getElementById("popup_"+prvek);
  
  if (stav) {
    objekt.style.display = 'block';
  }
  else 
    objekt.style.display = 'none';
}

function Menu(id)
{
  var prvek = document.getElementById("menu_ul_"+id);
  var odkaz = document.getElementById("menu_a_"+id);
  
  if (prvek.style.display == 'none') {
    prvek.style.display = '';
    odkaz.className = 'aktivni';
  }
  else {
    prvek.style.display = 'none';
    odkaz.className = '';
  }
}

function Stmavit() {
 // var styl = document.styleSheets[1].cssRules[1].style.cssText;
  var styl = document.styleSheets[1].rules[1].style.cssText;
  alert(styl);
  document.styleSheets[1].rules[1].style.cssText = 'color:#000000;';
  //document.all.body.style.color = '#000';
}