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Type: script code
This should be set to code which is called when the user presses the Next button. Return true to allow the next page to be displayed and false to disallow moving to the next page. Use the canAdvance property to indicate to the user (by disabling the Next button) that they cannot go to the next page.

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 Contributors to this page: Sheppy, Marsf, Dria
 Last updated by: Sheppy,