function getAlbumsData()

		{



			if (empty( $this->_albums_data )){

				$query = 	' SELECT * FROM #__muscol_format '.

							' WHERE display_group = 0'.

							' ORDER BY order_num ';

				$this->_db->setQuery( $query );

				$this->_albums_data = $this->_db->loadObjectList();

				

				$types_array = $this->getTypesArray();

				

				for($i=0;$i < count($this->_albums_data); $i++){

					$format_id = $this->_albums_data[$i]->id;

					$query = 	' SELECT f.*,al.*,ar.artist_name,ar.letter,ge.genre_name '.

								' FROM #__muscol_albums as al '.

								' LEFT JOIN #__muscol_artists as ar ON ar.id = al.artist_id '.

								' LEFT JOIN #__muscol_format as f ON f.id = al.format_id '.

								' LEFT JOIN #__muscol_genres as ge ON ge.id = al.genre_id '.

								' WHERE artist_id = '.$this->_id.

								' AND (format_id = '.$format_id.' OR display_group = '.$format_id.')'.

								' AND (part_of_set = 0 OR ( part_of_set != 0 AND show_separately = "Y" ) ) ' .

								' ORDER BY name ';