sudoku

I made this game sitting in the airport at ATL Georiga on my way to PTY Panama City, Panama. Had to do something to pass the time since I had an 8hour layover.

This is a simple sudoku game. Free feel to play it or look at the code. Click Here To Play

Here are some sample boards

        invalid:
                          [[5, 3, 4, 6, 7, 8, 9, 1, 2],
                           [6, 7, 2, 1, 9, 0, 3, 4, 8],
                           [1, 0, 0, 3, 4, 2, 5, 6, 0],
                           [8, 5, 9, 7, 6, 1, 0, 2, 0],
                           [4, 2, 6, 8, 5, 3, 7, 9, 1],
                           [7, 1, 3, 9, 2, 4, 8, 5, 6],
                           [9, 0, 1, 5, 3, 7, 2, 1, 4],
                           [2, 8, 7, 4, 1, 9, 6, 3, 5],
                           [3, 0, 0, 4, 8, 1, 1, 7, 9]]

           valid:
                         [[5, 3, 4, 6, 7, 8, 9, 1, 2],
                          [6, 7, 2, 1, 9, 5, 3, 4, 8],
                          [1, 9, 8, 3, 4, 2, 5, 6, 7],
                          [8, 5, 9, 7, 6, 1, 4, 2, 3],
                          [4, 2, 6, 8, 5, 3, 7, 9, 1],
                          [7, 1, 3, 9, 2, 4, 8, 5, 6],
                          [9, 6, 1, 5, 3, 7, 2, 8, 4],
                          [2, 8, 7, 4, 1, 9, 6, 3, 5],
                          [3, 4, 5, 2, 8, 6, 1, 7, 9]]