disabling browser back function

Hi - I'm creating some tests in Lectora 2005, and want to prevent the user from going back to a previous question when published to AICC/html. I've disabled the wbt back navigation button, and I've clicked "Ensure user answers all questions on test".I know that I can pop up the course in a new window that doesn't have buttons but the user could still right-click the mouse and use menu commands to go back and change their answer (as far as I can tell).Any way around this?Thanks

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