function domain_check(user)
{
  var domain = document.domainsearch.domain.value + document.domainsearch.tld.value;
  if (!domain.match(/^((https?|ftp|news):\/\/)?([a-z]([a-z0-9\-]*\.)+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)|(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))(\/[a-z0-9_\-\.~]+)*(\/([a-z0-9_\-\.]*)(\?[a-z0-9+_\-\.%=&]*)?)?(#[a-z][a-z0-9_]*)?$/))
  {
    alert("Hibás domain név");
    return false;
  }

  domain = domain.replace(/https?:\/\//, "");

  document.getElementById("freedomain").innerHTML = "Kérem várjon...";
  ajax_request("domain_check.unet?domain=" + encodeURI(domain) + "&key=", domain_alert, user?domain:0);
}

function domain_alert(id, txt, domain)
{
  if (id == 0) return;
  txt = txt.split('|=|');
  document.getElementById("freedomain").innerHTML = "";
  if (txt[0] == 0)
  {
    document.getElementById("freedomain").innerHTML = 'Szabad domain név. <a href="domain+rendeles/?domain=' + txt[1] + '">Tovább a megrendeléshez</a>';
  }
  else
  {
    document.getElementById("freedomain").innerHTML = "Foglalt domain név";
  }
}