<select name="hekat">
      <?
      $kats = mysql_query("select * from wp_term_taxonomy where taxonomy='category'");
      while ($kat = mysql_fetch_object($kats))
      {
        $k = mysql_fetch_object(mysql_query("select name from wp_terms where term_id='".$kat->term_id."'"));
        echo ' <option value="'.$kat->term_id.'">'.$k->name.'</option>';
      }
      ?>
  </select>