todo.txt

functions_post_oo:
- attachments
- document which functions take effect immediately and which require submit() to be called
- move update_forum_tracking_info to syncer->execute()?
- notifications on new topic
- compare post_checksum
- private messages incl. attachments

viewtopic_hookup:
- copyright anpassen!
- members can delete dates in the past except the active date
- members can delete dates where they are the only person who voted (if the accidentally added the wrong date)
- 15 minute interval in js calendar and vertical dragging
- logging
- add input box where users can enter the reason why they chose no/maybe and display them as div-popup
- store who added which date and when and allow that user to delete the date for x minutes 
- coding guidelines: final check

viewtopic_hookup - done:
- set active date
- summary at bottom of each date ("4 yes, 2 maybe, 1 no")
- timezones when adding dates!
- separate boxes like fieldsets in acp
- confirm boxes for set_active
- check duplicate dates
- who can invite new users/groups? owner/member
- who can delete dates/users?
- multiselect in js calendar?
- confirm user/date deletion ("do you really want to delete 2 users and 3 dates?")
- list of users who can participate in a separate table
- before adding users check if they can read the forum 
- notify new users via email/jabber
- notifications (new dates, set active)