public function __construct($id = null)
 {
     parent::__construct(new Zend_Db_Table('Video'), $id);
 }
 public function __construct($id = null)
 {
     parent::__construct(new Zend_Db_Table('Directory'), $id);
 }
 public function __construct($id = null)
 {
     parent::__construct(new Zend_Db_Table('AudioCategory'), $id);
 }
 public function __construct($id = null)
 {
     parent::__construct(new Zend_Db_Table('SubGroupUserAssign'), $id);
 }