Chyba: Data too long for column 'obsah_cz' at row 1

      <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
        <p>
          <input name="zkratka" type="hidden" id="zkratka" value="<?php echo $zkr; ?>">
          <input name="jazyk" type="hidden" id="jazyk" value="<?php echo $_GET['jazyk']; ?>">
          <textarea name="text" id="text"><?php echo $soubor; ?></textarea>
          <script>
 CKEDITOR.replace( 'text' );
        </script>
          </p>
        <p>
          <input name="nadpis" type="text" id="nadpis" value="<?php echo $soubornazev; ?>">
        </p>
        <p>
          <input type="submit" value="Ulozit zmeny" name="submit">
        </p>
      </form>

      <?php
   $con = @mysql_connect($hostname_test,$username_test,$password_test);
   $database = mysql_select_db($database_test);
    if(isset($_POST['submit']))
  {
  $file = mysql_real_escape_string($_POST['text']);
  $postnazev=mysql_real_escape_string($_POST['nadpis']);
  $postzkratka= $_POST['zkratka'];
  mysql_query("SET NAMES 'utf8_general_ci'"); 
  if ($_POST['jazyk']=='cz'){ $query ="update stranky set obsah_cz='$file' , nazev_cz='$postnazev' where zkratka='$postzkratka'";};
  if ($_POST['jazyk']=='en'){ $query ="update stranky set obsah_en='$file' , nazev_en='$postnazev' where zkratka='$postzkratka'";};
  if ($_POST['jazyk']=='de'){ $query ="update stranky set obsah_de='$file' , nazev_de='$postnazev' where zkratka='$postzkratka'";};
  $result = mysql_query($query,$con);
  if(!$result)
  {
   echo 'Není uloženo</br>';
   echo die("Chyba: ".mysql_error());;
  }
  else
  {
   echo 'Uspesne ulozeno';
   header("Location: stranky.php");
   die();
  }
 }
?>

DROP TABLE IF EXISTS `hotelweb`.`stranky`;
CREATE TABLE  `hotelweb`.`stranky` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `nazev_cz` text CHARACTER SET latin1,
  `obsah_cz` varchar(800) CHARACTER SET latin1 DEFAULT NULL,
  `nazev_en` text CHARACTER SET latin1,
  `obsah_en` varchar(800) CHARACTER SET latin1 DEFAULT NULL,
  `nazev_de` text COLLATE utf8_czech_ci,
  `obsah_de` varchar(800) COLLATE utf8_czech_ci DEFAULT NULL,
  `zkratka` text COLLATE utf8_czech_ci,
  `internipopis` text COLLATE utf8_czech_ci,
  `stranka` text COLLATE utf8_czech_ci,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 COLLATE=utf8_czech_ci;