function f_szukaj()
{
   if (document.getElementById('szk').value.length<3)
   {
      alert ('Wyszukiwane s³owo musi mieæ minimum 3 litery!');
      document.getElementById('szk').focus();
      return false;
   }
   else
      return true;
}

function noweOkno(url)
{
   window.open(url, '', '');
   return false;
}

function mapkaZoom()
{
   window.open('mapka.php', 'MAPKA', 'width=387,height=345,resizable=no,scrollbars=no,menubar=no,personalbar=no,toolbar=no,status=no');
}