if($sentmessage == "2"){
include "error.htm";
}else{
$num = $sentmessage + 1;
setcookie("sentmessage","$num",time()+1800);
$message = substr($message ,0, 500 );
$to = "мыло";
$subject = "Письмо с формы Обратной связи от \\"$name\\"";
$mailheaders = "From: $email <$name>\\n";
$mailheaders .= "Reply-To: $email\\n\\n";
mail($to, $subject, $message, $mailheaders);