} else if (isset($_POST['register'])) {
$error = "";
$username = stripinput(trim(eregi_replace(" +", "", $_POST['username'])));
$email = stripinput(trim(eregi_replace(" +", "", $_POST['email'])));
$password1 = stripinput(trim(eregi_replace(" +", "", $_POST['password1'])));
if ($username == "" || $password1 == "" || $email == "" || $gender == "" || $user_year == "" || $user_month == "") $error .= $locale['402']."<br>\n";
if (!preg_match("/[^A-z0-9_\-]/", $username)) $error .= $locale['403']."<br>\n";
if (preg_match("/^[0-9A-Z@]{6,20}$/i", $password1)) {
if ($password1 != $_POST['password2']) $error .= $locale['404']."<br>\n";
} else {
$error .= $locale['405']."<br>\n";
}
if (!preg_match("/^[-0-9A-Z_\.]{1,50}@([-0-9A-Z_\.]+\.){1,50}([0-9A-Z]){2,4}$/i", $email)) {
$error .= $locale['406']."<br>\n";
}