function poslat() 
{
  var http_request = false;
  var meno = document.getElementById('ajax_meno').value;
  var cislo = document.getElementById('ajax_cislo').value;
  var mail = document.getElementById('ajax_mail').value;
  var text = document.getElementById('ajax_text2').value;
  var request = "ajax_meno="+meno+"&ajax_cislo="+cislo+"&ajax_mail="+mail+"&ajax_text="+text;

  if (window.XMLHttpRequest)
  {
    http_request = new XMLHttpRequest();
  }
  else if (window.ActiveXObject)
  {
    try
    {
      http_request = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (eror)
    {
      http_request = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }

  http_request.onreadystatechange = function() { zpracuj(http_request); };
  http_request.open('POST', '/ajax/', true);
  http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  http_request.send(request);
  document.getElementById('loading_obrazok').innerHTML = '<img src="/images/ajax.gif" class="form_img" /> <span class="form_text">Mail sa posiela</span>';
}
  
function zpracuj(http_request)
{
  if (http_request.readyState == 4)
  {
    document.getElementById('loading_obrazok').innerHTML = '';
    if (http_request.status == 200)
    {
      if(http_request.responseText == '')
      {
        document.getElementById('vysledok').innerHTML = 'Neidentifikovateľná chyba!';
      }
      else
      {
        document.getElementById('vysledok').innerHTML = http_request.responseText;
      }
    }
    else
    {
      alert('Chyba');
    }
  }
}