$start_date = $_POST['start_date'];
$end_date = $_POST['end_date'];

$sql = "INSERT INTO 'zakazy' ('namber', 'name', 'start_date', 'end_date')
	VALUES ('$namber', '$firmname', '$start_date', '$end_date');";

CREATE TABLE `zakazy` (
  `id` int(5) NOT NULL auto_increment,
  `namber` int(5) NOT NULL,
  `name` varchar(255) NOT NULL,
  `start_date` date NOT NULL,
  `end_date` date NOT NULL,
  PRIMARY KEY  (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=0;