function zobraz(nazev, sirka, vyska) {
  vyska = vyska;
  sirka = sirka;
  p = window.open("zobraz.php?obr="+nazev+"", "nahled", "width="+(sirka)+" ,height="+(vyska)+",left=150,top=60");
  p.focus();
}

function zobraz_text(id, sirka, vyska) {
  vyska = vyska;
  sirka = sirka;
  p = window.open("zobraz_text.php?id="+id+"", "Náhled", "width="+(sirka)+" ,height="+(vyska)+",left=150,top=60");
  p.focus();
}

function zobrazMenu(){
  if (document.getElementById('porad_hlavicka') != null) {
    document.getElementById('porad_hlavicka').style.display = 'none';
  }
  if (document.getElementById('movie_hlavicka') != null) {
    document.getElementById('movie_hlavicka').style.display = 'none';
  }
  if (document.getElementById('animace') != null) {
    document.getElementById('animace').style.display = 'none';
  }
  document.getElementById('porady_menu').style.display = 'block';
}

function zavriMenu(){
  if (document.getElementById('porad_hlavicka') != null) {
    document.getElementById('porad_hlavicka').style.display = 'block';
  }
  if (document.getElementById('movie_hlavicka') != null) {
    document.getElementById('movie_hlavicka').style.display = 'block';
  }
  if (document.getElementById('animace') != null) {
    document.getElementById('animace').style.display = 'block';
  }
  document.getElementById('porady_menu').style.display = 'none';
}

function zjisti(odkaz) {

  var potvrzeno = window.confirm("Opravdu chcete záznam vymazat???");

  if (potvrzeno) window.location.href = odkaz;
  
}

function to_clip(copytext)
//Inspirace: http://www.krikkit.net/howto_javascript_copy_clipboard.html
{
if (window.clipboardData)
{
window.clipboardData.setData("Text", copytext);
}
else if (window.netscape)
{
try
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
}
catch (e)
{
alert(e);
alert("V 'about:config' nastav 'signed.applets.codebase_principal_support' na 'true'");
return false;
}
var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
if (!clip) return;
var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
if (!trans) return;
trans.addDataFlavor('text/unicode');
var str = new Object();
var len = new Object();
var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
str.data=copytext;
trans.setTransferData("text/unicode",str,copytext.length*2);
var clipid=Components.interfaces.nsIClipboard;
if (!clip) return false;
clip.setData(trans,null,clipid.kGlobalClipboard);
}
return true;
} 

function ukaz(id, id_nadpis){
  if (document.getElementById(id).style.display == 'block') {
    document.getElementById(id).style.display = 'none';  
  }
  else {document.getElementById(id).style.display = 'block';}
}

function ajax(stranka, kam)
{

    var httpRequest;
    
    if(typeof window.ActiveXObject != 'undefined')
    {
        httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else
    {  
        httpRequest = new XMLHttpRequest();
    }
    httpRequest.open("GET", stranka, true);
    httpRequest.onreadystatechange= function () 
    {
        processRequest(httpRequest, kam) 
    };
    httpRequest.send(null);
}

function disp(st) {
  self.act = st;
  var ul = document.getElementById("whisper");
  if (st)
  {
    clearTimeout(self.timer);
    ul.style.visibility = "visible";
  }
  else
  {
    var f = function(){ul.style.visibility = "hidden";}
    self.timer = setTimeout(f, 500);
  }
}

function processRequest(httpRequest, kam) 
{
    if (httpRequest.readyState == 4)
    {
        if(httpRequest.status == 200)
        {
            if (typeof kam == 'string') 
            {
                document.getElementById(kam).innerHTML = httpRequest.responseText;
            }
            if (typeof kam == 'function') 
            {
                kam(httpRequest.responseText);
            }
        }
        else
        {
            document.getElementById(kam).innerHTML = '';
        }
    }
    else
    {
        if (typeof kam == 'string' && kam != '') 
        {
          document.getElementById(kam).innerHTML = '<img id="wait" src="/images/wait.gif" alt="Wait please!">';   
        }
    }
}

function reload(){
  ajax('/modules/log.php', 'log');
  setTimeout('reload_znova()', 5000);
}
function reload_znova(){
  reload();
}
function showKeyPress(event) { 
  if (event.keyCode == 13) {
    ajax('/includes/aerokratas/podle-tvurcu.php?hledej='+document.getElementById('hledej_tvurci').value,'hp-videa');
  }
}