var menuHierarchy = [
	['Agenda', 'en.php?nav=agenda'],
	
	['Exhibition', null, 
		['Gallery', 'http://www.ngv2010roma.com/gallery'],
		['Exhibition', 'en.php?nav=exhibition' ],
		['Plan & Exhibitors', 'en.php?nav=plan' ],
		['Forms & Conditions', 'en.php?nav=formstand' ],
		['Outside Area & Exhibitors', 'en.php?nav=externa' ],
		['Outside Area Form', 'en.php?nav=formexterna' ],
		['Pre-registration', 'en.php?nav=formpreex' ],
		['Exhibitor Manual', 'http://www.ngvworldfair.com/Exhibitor_Manual.pdf' ],
		['Basic Assembly', 'http://www.ngvworldfair.com/images/BasicAssembly.pdf' ],
	],
	
	['Activities', null,
		['Technical Tour', 'en.php?nav=tour' ],
		['Workshop ', 'en.php?nav=workshop' ],	
		['Meetings ', 'en.php?nav=meetings' ],	
	],

	['Conference', null,
		['Master Conferences', 'en.php?nav=confe' ],
		['Program', 'en.php?nav=program' ],
		['Pre-registration', 'en.php?nav=formpreco' ],
		['Presentations', 'en.php?nav=diapo' ],
	],
	
	['News & Media', null,
		['News', 'en.php?nav=news' ],
		['Media', 'en.php?nav=media' ],
	],
	
	['Hotels & Tourism', null,
		['Acommodations', 'en.php?nav=acommodations' ],
		['Tourism', 'en.php?nav=tourism' ],
	],

]