if (get_user_class() < UC_MODERATOR)
	puke($tracker_lang['access_denied']);

$action = $_POST["action"];

if ($action == "edituser") {
	$userid = $_POST["userid"];
	$title = $_POST["title"];
	$avatar = $_POST["avatar"];
	// Check remote avatar size
	if ($avatar) {
		if (!preg_match('#^((http)|(ftp):\/\/[a-zA-Z0-9\-]+?\.([a-zA-Z0-9\-]+\.)+[a-zA-Z]+(:[0-9]+)*\/.*?\.(gif|jpg|jpeg|png)$)#is', $avatar))
						stderr($tracker_lang['error'], $tracker_lang['avatar_adress_invalid']);
		if(!(list($width, $height) = getimagesize($avatar)))
						stderr($tracker_lang['error'], $tracker_lang['avatar_adress_invalid']);
		if ($width > $avatar_max_width || $height > $avatar_max_height)
						stderr($tracker_lang['error'], sprintf($tracker_lang['avatar_is_too_big'], $avatar_max_width, $avatar_max_height));
	}
// Check remote avatar size
	$resetb = $_POST["resetb"];
	$birthday = ($resetb=='yes'?", birthday = '0000-00-00'":"");
	$enabled = $_POST["enabled"];
	$warned = $_POST["warned"];
	$warnlength = 0 + $_POST["warnlength"];
	$warnpm = $_POST["warnpm"];
	$donor = $_POST["donor"];
	$uploadtoadd = $_POST["amountup"];
	$downloadtoadd=  $_POST["amountdown"];
	$formatup = $_POST["formatup"];
	$formatdown = $_POST["formatdown"];
	$mpup = $_POST["upchange"];
	$mpdown = $_POST["downchange"];
	$support = $_POST["support"];
	$supportfor = htmlspecialchars($_POST["supportfor"]);
	$modcomm = htmlspecialchars($_POST["modcomm"]);
	$deluser = $_POST["deluser"];

	$class = 0 + $_POST["class"];
	if (!is_valid_id($userid) || !is_valid_user_class($class))
		stderr($tracker_lang['error'], "Неверный идентификатор пользователя или класса.");
	// check target user class
	$res = sql_query("SELECT warned, enabled, username, class, modcomment, uploaded, downloaded FROM users WHERE id = $userid") or sqlerr(__FILE__, __LINE__);
	$arr = mysql_fetch_assoc($res) or puke("Ошибка MySQL: " . mysql_error());
	$curenabled = $arr["enabled"];
	$curclass = $arr["class"];
	$curwarned = $arr["warned"];
	if (get_user_class() == UC_SYSOP)
		$modcomment = $_POST["modcomment"];
	else
		$modcomment = $arr["modcomment"];
	// User may not edit someone with same or higher class than himself!
	if ($curclass >= get_user_class() || $class >= get_user_class())
		puke("Так нельзя делать!");