Sudoku in Javascript

Wanted a Sudoku game in java script. (This will be used in developing iphone app. need not worry i will take care about that part). Need to have experience in developing javascript based games, and need to provide examples for reference. The below are the required features. • Puzzles will be given by me : should be taken from a random list. • Should have 4 levels : ( puzzles list will be supplied) • Should be made using popular JavaScript framework so that game is rendered/adjusted by screen height and screen width. • Should have re do and undo options • Should have the save game option and can be played again from the saved point. • Should calculate the time gamed is played. • Need to Store the best times for each level (first 5). • Should have the download game from the site (puzzle every day). And post the solving time of the puzzle to the server. • Face book integration. • Should be able to add hint numbers (1 to 9). • The code should be neat and clean