";
if (isset($_POST['sendmessage'])) {
$error = "";
$mailname = substr(stripinput(trim($_POST['mailname'])), 0, 50);
$email = substr(stripinput(trim($_POST['email'])), 0, 100);
$subject = substr(str_replace(array("\r","\n","@"), "", descript(stripslash(trim($_POST['subject'])))), 0, 50);
$message = descript(stripslash(trim($_POST['message'])));
$CAPTCHA_IS_VALID = isnum($_POST['captcha']) ? $_POST['captcha'] : ""; //sprawdzenie czy kod zabez. jest liczba
if ($mailname == "") {
$error .= " ".$locale['420']."
\n";
}
if ($email == "" || !preg_match("/^[-0-9A-Z_\.]{1,50}@([-0-9A-Z_\.]+\.){1,50}([0-9A-Z]){2,4}$/i", $email)) {
$error .= " ".$locale['421']."
\n";
}
if ($subject == "") {
$error .= " ".$locale['422']."
\n";
}
if ($message == "") {
$error .= " ".$locale['423']."
\n";
}
//sprawdzenie wyniku zabezpieczenia
if ($CAPTCHA_IS_VALID!=($_POST['zm1']+$_POST['zm2'])) {
$error .= " ".$locale['424']."
\n";
}
if (!$error) {
require_once INCLUDES."sendmail_include.php";
if (!sendemail($settings['siteusername'],$settings['siteemail'],$mailname,$email,$subject,$message)) {
$error .= " ".$locale['425']."
\n";
}
}
if ($error) {
echo "