Outlook Application Help

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Hi!
Please could someone help me out with this?

Specification (draft)
1)
To calculate a running total of flexible working hours and show it in calendar view based on a reference calendar which is on server in "Public Folders" with a name "Standard Working Hours"

A separate "Balance ticket" can be generated as well and user may open the balance ticket to get all the required information. These information are updated regularly

Another option is to place the information in the "Tasks" folder of the user or some other special "Own Working Hours"


2) To calculate own daily working hours based on a reference calendar which is on server in "Public Folders" with a name "Working Hours"

3) To check that there are no overlapping hours (overlapping appointments are OK, but the ones starting with an integer are not permitted to overlap). A RED error ticket may be generated or some other form of error message should be displayed to the user in error condition.


4) TO make a balance correction - if needed based on special "balance correction" appoinment on the day given for the future days

5) To produce a (given time span) report of used working hours to specific codenumber or task.

Tools:
1) Outlook-2000 + forms
2) visual basic
Could you give me some advice on this with respect to:
Do I need to design any form for this and what type?
Any help will be greatly appreciated.
The form would be stored in a public folder of an exchange server.
Thanks in advance