public function dn( $domain, $singular, $plural, $number )
	{
		$index = $this->_getPluralIndex( $number, $this->getLocale() );

		try
		{
			foreach( $this->_getTranslations( $domain ) as $content )
			{
				if ( isset( $content[$singular][$index] ) && is_array( $content[$singular] ) ) {
					return $content[$singular][$index];
				}
			}
		}
		catch( Exception $e ) { ; } // no translation found

		if( $index > 0 ) {
			return (string) $plural;
		}

		return (string) $singular;
	}