sitemap = {6: [],
339: [30, 80, 31],
13: [],
15: [30, 80, 31],
83: [37, 16, 17, 18, 38, 39, 77, 157],
52: [],
85: [41, 40, 9, 44, 43, 42, 78, 79],
87: [53, 54, 55, 56, 73, 76],
88: [58, 59, 60, 61, 74, 75],
63: [64]}

leftnav = {5: 83, 7: 85, 72: 15, 12: 13, 14: 15, 49: 87, 84: 6, 86: 52, 57: 88, 62: 63}