The Times Online have had the new interactive Sudoku game running for a fewdays now.
It hasn’t been as smooth as we had hoped. There are problems with establishing cookies (they store important information on the Sudoku games) within the iframe. Internet Explorer 7 doesn’t allow the session cookie to start in its current format, meaning people lost their puzzles as they were about to text their three numbers in. We have added a warning about the issue and how to resolve it, but this appears too frequently now.
I found that sessions will work within a popup, so we will have a popup start the required session cookie and then disappear. This will have a positive knock-on effect in the main iframe.
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