I wanted to use this type of menu on my website but it's waywaywaaaayyyy too messed up for me. Can anyone help me make sense of it.

Preview : http://www.dhteumeuleu.com/runscript...=dootmenu.html

Just click on view source to see it.

I just need this bit simplified or labelled or something:

Code:
HDM = [

['SAURISCHIANS',   'THEROPODS<br>Bipedal<br>predators',         'Herrerasauria',       'Saltopodidae',           'Saltopus'],
['',               '',                                          '',                    '',                       'Eoraptor'],
['',               '',                                          '',                    'Staurikosaurus',         ''],
['',               '',                                          '',                    'Herrerasaurus',          ''],
['',               '',                                          'Ceratosauria',        'Coelophysids',           'Coelophysis'],
['',               '',                                          '',                    '',                       'Saltopus'],
['',               '',                                          '',                    'Ceratosaurus',           ''],
['',               '',                                          '',                    'Podokesaurus',           ''],
['',               '',                                          '',                    'Abelisaurids',           'Abelisaurus'],
['',               '',                                          '',                    '',                       'Indosaurus'],
['',               '',                                          '',                    'Noasaurus',              ''],
['',               '',                                          '',                    'Segisauridae',           'Segisaurus'],
['',               '',                                          '',                    '',                       'Dilophosaurus'],
['',               '',                                          'Coelurosauria',       'Coelurids',              'Coelurus'],
['',               '',                                          '',                    '',                       'Ornitholestes'],
['',               '',                                          '',                    'Dryptosaurus',           ''],
['',               '',                                          '',                    'Compsognathus',          ''],
['',               '',                                          '',                    'Oviraptor',              ''],
['',               '',                                          '',                    'Caenagnathids',          'Caenagnathus'],
['',               '',                                          '',                    '',                       'Microvenator'],
['',               '',                                          '',                    'Avimimus',               ''],
['',               '',                                          '',                    'Ornithomimus',           ''],
['',               '',                                          '',                    'Garudimimids',           'Garudimimus'],
['',               '',                                          '',                    '',                       'Harpymimus'],
['',               '',                                          '',                    'Deinocheirus',           ''],
['',               '',                                          '',                    'Dromaeosaurids',         'Caudipteryx'],
['',               '',                                          '',                    '',                       'Deinonychus'],
['',               '',                                          '',                    '',                       'Dromaeosaurus'],
['',               '',                                          '',                    '',                       'Protarchaeopteryx'],
['',               '',                                          '',                    '',                       'Sinornithosaurus'],
['',               '',                                          '',                    '',                       'Sinosauropteryx'],
['',               '',                                          '',                    '',                       'Unenlagia'],
['',               '',                                          '',                    '',                       'Utahraptor'],
['',               '',                                          '',                    '',                       'Velociraptor'],
['',               '',                                          '',                    'Tyrannosaurids',         'Tyrannosaurus'],
['',               '',                                          '',                    '',                       'Albertosaurus'],
['',               '',                                          '',                    '',                       'Nanotyrannus'],
['',               '',                                          'Carnosauria',         'Allosaurids',            'Allosaurus'],
['',               '',                                          '',                    '',                       'Yangchuanosaurus'],
['',               '',                                          '',                    'Carcharodontosaurids',   'Carcharodontosaurus'],
['',               '',                                          '',                    '',                       'Giganotosaurus'],
.......etc....
Any help would be great..