var MENU = [
  [{"id":1},'Contents', null, null,
    [{"id":2}, 'Title Page', 'title.html', 'view'],
    [{"id":3}, 'Overview', 'intro.html', 'view'],
    [{"id":4}, 'Bibliography', 'bib.html', 'view'],
    [{"id":5},'Lex', null, null,
      [{"id":6}, 'Theory', 'thl.html', 'view'],
      [{"id":7}, 'Practice', 'prl.html', 'view'],
    ],
    [{"id":8},'Yacc', null, null,
      [{"id":9}, 'Theory', 'thy.html', 'view'],
      [{"id":10}, 'Practice I', 'pry1.html', 'view'],
      [{"id":11}, 'Practice II', 'pry2.html', 'view'],
    ],
    [{"id":12},'Calculator', null, null,
      [{"id":13}, 'Description', 'calc.html', 'view'],
      [{"id":14}, 'Include File', 'calci.html', 'view'],
      [{"id":15}, 'Lex Input', 'calcl.html', 'view'],
      [{"id":16}, 'Yacc Input', 'calcy.html', 'view'],
      [{"id":17}, 'Interpreter', 'calc1.html', 'view'],
      [{"id":18}, 'Compiler', 'calc2.html', 'view'],
      [{"id":19}, 'Graph', 'calcg.html', 'view'],
    ],
    [{"id":20},'More Lex', null, null,
      [{"id":21}, 'Strings', 'str.html', 'view'],
      [{"id":22}, 'Reserved', 'sym.html', 'view'],
      [{"id":23}, 'Debugging', 'dbgl.html', 'view'],
    ],
    [{"id":24},'More Yacc', null, null,
      [{"id":25}, 'Recursion', 'rec.html', 'view'],
      [{"id":26}, 'If-Else', 'if.html', 'view'],
      [{"id":27}, 'Errors', 'err.html', 'view'],
      [{"id":28}, 'Attributes', 'attr.html', 'view'],
      [{"id":29}, 'Actions', 'emb.html', 'view'],
      [{"id":30}, 'Debugging', 'dbgy.html', 'view'],
    ],
  ]
];