var menu_array =
[
    [null, 'Chairs', null, null, null,
	 	[null, 'dining-room', null, null, null,
		 	[null, 'dining-room', 'index.php?p=krzesla_jadalnia', null, null],
			[null, 'stools', 'index.php?p=krzesla_taborety', null, null]
		 ],
		[null, 'restaurant', null, null, null,
		 	[null, 'restaurant', 'index.php?p=krzesla_restauracja', null, null],
			[null, 'cafe', 'index.php?p=krzesla_kawiarnia', null, null],
			[null, 'bar stools', 'index.php?p=krzesla_bar', null, null]
		 ],
		[null, 'office', 'index.php?p=krzesla_biuro', null, null],
		[null, 'school', null, null, null,
		 	[null, 'auditorium', 'index.php?p=krzesla_audytorium', null, null],
			[null, 'plywood chairs', 'index.php?p=szkolne1', null, null],
			[null, 'other products', 'index.php?p=krzesla_szkola', null, null]
		 ],
		[null, 'waiting-room', 'index.php?p=krzesla_poczekalnia', null, null],
	 ],
	
    [null, 'Tables', null, null, null,
		[null, 'dining-room', 'index.php?p=stoly_jadalnia', null, null],
		[null, 'cafe', 'index.php?p=stoly_kawiarnia', null, null],
		[null, 'restaurant', 'index.php?p=stoly_restauracja', null, null],
		[null, 'school', 'index.php?p=szkolne1', null, null],
		[null, 'sets with chairs', 'index.php?p=stoly_zestawy', null, null]
	],
	
    [null, 'Armchairs', null, null, null,
	 	[null, 'office-cabinet', 'index.php?p=fotele_gabinet', null, null],
		[null, 'conference', 'index.php?p=fotele_audytorium', null, null]
	 ],
	
    [null, 'Desks', null, null, null,
	 	[null, 'standard', 'index.php?p=biurka_standardowe', null, null],
		[null, 'untipical', 'index.php?p=biurka_nietypowe', null, null]
	 ],
	
    [null, 'Firm', null, null, null,
	 	[null, 'about us', 'index.php?p=ofirmie', null, null],
		[null, 'references', null, null, null,
		 	[null, 'recently made', 'index.php?p=referencje', null, null],
			[null, 'exemplary projects', 'index.php?p=referencje2', null, null],
			[null, 'premanent cooperation', 'index.php?p=referencje3', null, null],
			[null, 'written references', 'index.php?p=referencje4', null, null]
		 ],
		[null, 'delivery', 'index.php?p=dostawa', null, null],
		[null, 'contact', 'index.php?p=kontakt', null, null],
		[null, 'payments', 'index.php?p=platnosci', null, null]
	 ],
	
    [null, 'Page map', 'index.php?p=mapaserw', null, null]
];