Using Calendar Delegation in OWA 2003

Our school is rolling out Outlook Web Access (OWA) 2003 as the primary interface for faculty and staff. How can we use Calendar delegation with OWA?

OWA provides partial support for delegation: It doesn't offer an interface for granting delegated mailbox permissions, but it does give any user who can authenticate to a mailbox the ability to view delegated folders in that mai . . .