var menuHierarchy = [
	['<a href="faculty.html" class="link">wuqian</a>', null,
		['Germany', null, ['Berlin'], ['Hamburg'], ['M&uuml;nchen']],
		['Turkey', null, ['&Igrave;stanbul'], ['Ankara'], ['&Igrave;zmir']],
		['United Kingdom', null, ['London'], ['Birmingham'], ['Glasgow']],
		['France', null, ['Paris'], ['Marseille'], ['Lyon']],
		['Italy', null, ['Roma'], ['Milano'], ['Napoli']]
	],
	['America', null, 
		['U.S.A.', null, ['New York'], ['Los Angeles'], ['Chicago']],
		['Brazil', null, ['Sa&otilde; Paulo'], ['Rio de Janeiro'], ['Salvador']],
		['Mexico', null, ['Ciudad de Mexico'], ['Guadalajara'], ['Ecatepec']],
		['Colombia', null, ['Bogot&aacute;'], ['Cali'], ['Medell&iacute;n']],
		['Argentina', null, ['Buenos Aires'], ['C&oacute;rdoba'], ['San Justo']]
	],
	['Asia', null,
		['China', null, ['Shanghai'], ['Beijing'], ['Tianjin']],
		['India', null, ['Mumbai'], ['Kolkata'], ['Delhi']],
		['Indonesia', null, ['Jakarta'], ['Surabaya'], ['Bandung']],
		['Pakistan', null, ['Karachi'], ['Lahore'], ['Faisalabad']],
		['Bangladesh', null, ['Dhaka'], ['Chittagong'], ['Khulna']]
	],
	['Africa', null,
		['Nigeria', null, ['Lagos'], ['Kano'], ['Ibadan']],
		['Egypt', null, ['Al-Qahirah'], ['Al-Iskandariyah'], ['Al-Jizah']],
		['Ethiopia', null, ['Adis Abeba'], ['Dire Dawa'], ['Nazret']],
		['Congo', null, ['Kinshasa'], ['Lubumbashi'], ['Mbuji-Mayi']],
		['Sudan', null, ['Umm Durman'], ['Al-Khartum'], ['Al-Khartum Bahr&iuml;']]
	],
	['Australia', null,
		['Australia', null, ['Sydney'], ['Melbourne'], ['Brisbane']]
	]
];