Do you have any knowledge of web programming? Database design?
I suggest you buy yourself a good book to get started, something like this or this. Read it all, complete the exercises, see if that gives you any ideas.
No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.