Rthur Dimmesdale confesses his crime when Hester Prynne is tried

This is to be a reaction essay about How might the story of The Scarlet Letter by Nathaniel Hawthorne differ if Arthur Dimmesdale had confessed his crime when Hester Prynne was tried in the beginning of the story.
Please let me know immediately if this cannot be done within 8-24 hours. I need it for tommorrow March 22, 2006