whoa, how did this ever work -- fixing the <head> and <body> tags.
Also cleaning up indentation.
Making edges show up.
Larger, hollow nodes.
Make all the nodes dark gray, for now.
Removing debug code.
Give the graph thick, dark-gray edges.
Remove debug code.
Resize to iPhone 5 resolution.
Consolidate style info.
Spread out the nodes.
Even larger nodes.
Adding names to the nodes.