// Tree structure definition
var TREE_NODES = [
	["Node 1", null, null,
		["Sub Node 1", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		],
		["Sub Node 2", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		],
		["Sub Node 3", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		]
	],
	["Node 2", null, null,
		["Sub Node 1", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		],
		["Sub Node 2", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		],
		["Sub Node 3", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		]
	],
	["Node 3", null, null,
		["Sub Node 1", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		],
		["Sub Node 2", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		],
		["Sub Node 3", null, null,
			["Sub Sub Node 1", null, null],
			["Sub Sub Node 2", null, null],
			["Sub Sub Node 3", null, null]
		]
	]
];