function AddFavoriteLink(linkObj)  {
  if (window.sidebar) {window.sidebar.addPanel(title, page,"");}
  else if( window.opera && window.print ) {
    var mbm = document.createElement('a');
    mbm.setAttribute('rel','sidebar');
    mbm.setAttribute('href',page);
    mbm.setAttribute('title',title);
    mbm.click();
  }
  else if( document.all ) {window.external.AddFavorite(page, title);}
}

function HomePage(link){
  link.style.behavior='url(#default#homepage)';
  if(typeof(link.setHomePage)!='undefined') {
    link.setHomePage(page);
  }
  else {
    window.alert(alert1);
  }
}

function disableAutoComplete(co) {
  co.setAttribute('autocomplete','off');
}

function ajax() {
  var http = null;
  if (window.ActiveXObject) {
    http = new ActiveXObject("Microsoft.XMLHTTP");
  }
  else {
    http = new XMLHttpRequest();
  }
  return http;
}

function komentar_spam(id) {
  if(confirm(text1) == false) {return false;}
  var http = ajax();
  http.open('GET', '/komentar_spam.php?id='+id+'&r='+Math.random(), true);
  http.onreadystatechange= function () {
    if (http.readyState == 4) {
      if (http.status == 200) {
        document.getElementById('koment-spam-'+id).innerHTML = 'Spam nahlásený';
      }
    }
  }
  http.send(null);
}

function hlasuj(id) {
  var http = ajax();
  var znamka = 0;
  for (i=0;i<document.forms[0].elements['znamka'].length;i++) {
    if (document.forms[0].znamka[i].checked == true) {
      znamka = document.forms[0].znamka[i].value;
    }
  }
  http.open('GET', '/hodnot.php?id='+id+'&znamka='+znamka+'&r='+Math.random(), true);
  http.onreadystatechange= function () {
    if (http.readyState == 4) {
      if (http.status == 200) {
        var txt = http.responseText;
        if (txt == 'err') {alert('Pre túto hru si už hlasoval!');}
        else if (txt != 'err') {alert('Hlas zaznamenaný.');}
      }
    }
  };
  http.send(null);
}

function vyplnene(co, text) {
  if (document.getElementById(co).value == '') {
    alert(text);
    return false;
  }
}

function vtip() {
  document.getElementById('vtip').innerHTML = '<center><img src="images/ajax-loader.gif" /></center>';
  var http = null;
  if (window.ActiveXObject) {
    http = new ActiveXObject("Microsoft.XMLHTTP");
  }
  else {
    http = new XMLHttpRequest();
  }
  http.open("GET", "/vtip.php?r="+Math.random(), true);
  http.onreadystatechange= function () {
    if (http.readyState == 4) {
      if (http.status == 200) {
        document.getElementById('vtip').innerHTML = http.responseText;
      }
    }
  };
  http.send(null);
}