Sharing Calendars in Outlook 2007

[mkfphila]

I am trying to share an Outlook Calendar with my department.

I R-clicked the calendar properties and set the sharing properties so that
everyone is an 'owner'.

This is not my default calendar and I want to add US national holidays,
etc., but any time I go to Tools/Options/Calendar options, it is only
changing my default calendar and not the new one I created. Is there a way
to go around this?

Also, because I added them all as owners, how do they open it on their
calendar? Do I select to share it with them and it automatically applies the
'owner' sharing properties I set up?

Thank you!