EXTRA!: That max_execution_time is in my version of PHP in other versions it might be something like set_maximum_time, or similar. I did read, looking at something else though, that if you set the value to 0, it will continue to run until completed - but what other potentialities this might set up is outside my knowledge.
Oh... and I love the way in which I murder the Engrish langwich late at night....