User A shares a addressbook named "smsbook" with user B, And User C (used in script only).

User B sends something out ,and the script trys the following url :

This gives permission denied. Tried with ie,chrome,and firefox.
I have tried making the addressbok public but no difference.

Are there any soution for this ? Or do i somehow have to pass Username A to the script.

The following url work :

The idea of all this is to have a zimlet lookup shared addressboks.