function ShowEntries(k) {
 var t1 = document.getElementById("ent0");
 var a1 = document.getElementById("enta0");
 var t2 = document.getElementById("ent1");
 var a2 = document.getElementById("enta1");
 if (t1 && a1 && t2 && a2) {
  t1.style.display = "none";
  t2.style.display = "none";
  a1.className = "entchoose";
  a2.className = "entchoose";
  if (k==1) {
   t2.style.display = (IE ? "block" : "table");
   a2.className = "entchoose entactual";
  } else {
   t1.style.display = (IE ? "block" : "table");
   a1.className = "entchoose entactual";      
  }
 }
}

function ShowEntries2(k) {
 var t1 = document.getElementById("ent0");
 var a1 = document.getElementById("enta0");
 var t2 = document.getElementById("ent1");
 var a2 = document.getElementById("enta1");
 if (t1 && a1 && t2 && a2) {
  t1.style.display = "none";
  t2.style.display = "none";
  a1.className = "entchoose";
  a2.className = "entchoose";
  if (k==1) {
   t2.style.display = "block";
   a2.className = "entchoose entactual2";
  } else {
   t1.style.display = "block";
   a1.className = "entchoose entactual2";      
  }
 }
}

function entries(k) {
 var t1 = document.getElementById("xent0");
 var a1 = document.getElementById("xenta0");
 var t2 = document.getElementById("xent1");
 var a2 = document.getElementById("xenta1");
 var t3 = document.getElementById("xent2");
 var a3 = document.getElementById("xenta2");
 var t4 = document.getElementById("xent3");
 var a4 = document.getElementById("xenta3");
 
 if (t1 && a1 && t2 && a2 && t3 && a3) {
  t1.style.display = "none";
  t2.style.display = "none";
  t3.style.display = "none";
  t4.style.display = "none";
  a1.className = "entchoose";
  a2.className = "entchoose";

  if (t4 && a4) {
    a3.className = "entchoose";
    a4.className = "entchoose";
  }

  if (k==1) {
   t2.style.display = (IE ? "block" : "table");
   a2.className = "entchoose entactual2";
  } else if (k==2) {
   t3.style.display = (IE ? "block" : "table");
   a3.className = "entchoose entactual2";
  } else if (k==3) {
   t4.style.display = (IE ? "block" : "table");
   a4.className = "entchoose entactual2";
  } else {
   t1.style.display = (IE ? "block" : "table");
   a1.className = "entchoose entactual2";      
  }
 }
}

function loadPage(k,aEl) {
  for (i=1;i<=4;i++) {
    var el = document.getElementById('games'+i);
    if (el) el.style.display = "none";
    var el = document.getElementById('gamesA'+i);
    if (el) el.className = "";
  }
  if (aEl) aEl.className = "actual";
  var el = document.getElementById('games'+k);
  if (el) el.style.display = "block";
  var bg = document.getElementById('games-corner');
  if (bg) { 
    if (k==1) {
     bg.style.backgroundImage = "url("+baseUrl+"/public/images/g_top_left_w.gif)";
    } else bg.style.backgroundImage = "url("+baseUrl+"/public/images/g_top_left.gif)";      
  }
}

function LoadEntertainment(k,aEl) {
  for (i=1;i<=4;i++) {
    var el = document.getElementById('games'+i);
    if (el) el.style.display = "none";
    var el = document.getElementById('gamesA'+i);
    if (el) el.className = "";
  }
  if (aEl) aEl.className = "actual";
  var el = document.getElementById('games'+k);
  if (el) el.style.display = "block";
  var bg = document.getElementById('games-corner');
  if (bg) { 
    if (k==1) {
     bg.style.backgroundImage = "url("+baseUrl+"/public/images/g_top_left_w.gif)";
    } else bg.style.backgroundImage = "url("+baseUrl+"/public/images/g_top_left.gif)";      
  }
}


function homePage(el, url) {
 if (IE) {
  el.style.behavior='url(#default#homepage)'; 
  el.setHomePage(url);
  return false 
 }
}

function favorite(addUrl, addTitle) { 
  if (document.all && !window.opera)
  {
    window.external.AddFavorite(addUrl,addTitle);
    return false;
  }
  else if (window.opera && window.print)
  {
    linkObj.title = addTitle;
    return true;
  }
  else if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addPanel == 'function'))
  {
    if (window.confirm('Přidat oblíbenou stránku jako nový panel?'))
    {
      window.sidebar.addPanel(addTitle,addUrl,'');
      return false;
    }
  }
  window.alert('Po potvrzení stiskněte CTRL-D,\nstránka bude přidána k vašim oblíbeným odkazům.');
  return false; 
 return false    
}

var wPos = 0;
var wShowed = false;

function Help(n) {
  var el = document.getElementById(n+'-help');
  if (el) el.style.display = 'block';
}

function UnHelp(n) {
  var el = document.getElementById(n+'-help');
  if (el) el.style.display = 'none';
}

function show(n) {
  var el = document.getElementById(n);
  if (el) el.style.display = 'block';
}

function hide(n) {
  var el = document.getElementById(n);
  if (el) el.style.display = 'none';
}

function newWindow() {
  var w = document.getElementById('newWindow');
  if (!wShowed) {
    w.style.display = IE ? 'block' : 'table';
    if (wPos==0) wPos = w.offsetTop-w.clientHeight-20;
    w.style.top = (wPos)+'px';
    wShowed = true;
  } else {
    w.style.display = 'none';
    wShowed = false;
  }
}

function toAscii(str) {
  sdiak = "áäčďéěíĺľňóô öŕšťúů üýřžÁÄČĎÉĚÍĹĽŇÓÔ ÖŔŠŤÚŮ ÜÝŘŽ";
  bdiak = "aacdeeillnoo orstuu uyrzAACDEEILLNOO ORSTUU UYRZ";
  tx = "";
  txt = str;
  for(p = 0; p < txt.length; p++) {
    if (sdiak.indexOf(txt.charAt(p)) != -1) {
      tx += bdiak.charAt(sdiak.indexOf(txt.charAt(p)));
    }
    else tx += txt.charAt(p);
  }
  return tx;
}

function toUrl(str) {
    str = str.toLowerCase();
    str = toAscii(str);
    return str.replace(/[^a-z0-9_\-]+/g, '-').replace(/^-|-$/g, '');
}

function makeLink(from, to) {
	var f = document.getElementById(from);
	var t = document.getElementById(to);
	
	t.value = toUrl(f.value);
}

function setInt(obj) {
  if (obj!=null) {
      if (obj.value.search(/^[0-9]*$/)>-1)
        return true;
       else
        obj.value = obj.value.replace(/[\- ]/ig,"");
      if (obj.value.search(/^[0-9]*$/)==-1)
       obj.value = '';
  }
}

function reloadCaptcha(element) {
	document.getElementById(element).src = baseUrl+'/public/phpscripts/captcha.php?rand='+Math.floor(Math.random()*1000);
}