/**
  * Creates the initial permission list for the specified gallery
  * $param int Gallery ID
  * @return boolean True if succesfull, false if not.
  */
 function createDefaultPermissions($gallery_id)
 {
     $database =& JFactory::getDBO();
     $parent_id = galleryUtils::getParentId($gallery_id);
     $sql = "INSERT INTO {$this->_table} " . "(gallery_id, parent_id) VALUES " . "('{$gallery_id}','{$parent_id}')";
     $database->setQuery($sql);
     if ($database->query()) {
         return true;
     } else {
         return false;
     }
 }