Is it possible to have a public page with optional authentication?

I want to have an application that will give users view access to all pages, without the user having to log in. On its own i know how to achieve this. However, i also want to give the user the ability to perform specific actions, only if they authenticate themselves. The functionality i am after is much like this forum, the public can read all threads, but to post you have to log in.
is this kind of thing possible in APEX, if so how can this be done?
Craig
[http://www.oracleapplicationexpress.com]

Craig,
It's very possible, and quite easy to do.
One of the conditions that APEX supplies is "User is Authenticated (not public)". You can use this condition on buttons, items, regions and processes that will require a user be authenticated to your application. There is also the opposite condition, should you want to display items or regions that will be displayed to non-authenticated users.
Thanks,
- Scott -
http://spendolini.blogspot.com/
http://sumnertech.com/

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