function loginCheck()
{
  if(isset($_COOKIE['zalogowany']) && $_COOKIE['zalogowany'] == '1'){
    return true;
  }
  else{
    return false;
  }
}

function showMain()
{
  $message = $this->getMessage();
  $zalogowany = $this->loginCheck();
  include 'tmpl/main.tpl.php';
}