Someone mentioned this issue today. The default SharePoint calendar can only display its own canlendar and event. To implement the following functions, you must define different data sources, define different audience targeting, and then bind custom calendar webparts to the data source.
Source: http://www.hellomails.com/blog? P = 13826
Issue
Newsoft company uses knife ate Intranet site based on moss 2007. it is required to create vacation calendar for the whole company. at the same time, company staff must see only vacation plan of colleagues from their department. information about other users 'vacation must be hidden for them. HR-manager and heads of department shocould be able to view all information about all employees.
Solution
This issue can be resolved by using both Moss 2007 audience targeting feature and virto Web Part calendar for Sharepoint.
Step 1>Go to SharePoint site. Follow the link "audience targeting Settings ".? Reate several audiences, e. g:
1. Sales Department
2. Marketing Department
3. R & D department
4. General Management and HR
Define members for mentioned audiences.
Step 2>Create new list which shoshould contain information about vacations and name it 'sales Department vacation list '. define which audience shocould be able to view list information, e.g. it 'sales Department vacation list' can be viewed by sales department and general management and HR.
"Modify audience targeting Settings" page will be displayed. Check the box "enable audience targeting" and click "OK ".
Create as your lists as you need for each department.
Step 3>Go to the virto calendar Web Part Page and use "modify shared Web Part" button and roll down to "Data Source Settings" block.
Create new data source. Select list from the current site collection ('sales Department vacation list ').
Now the checkbox "allow audience targeting" will be enabled. If you check this box you can apply the audience targeting settings of your SharePoint site to virto calendar.
If you view the calendar item information you will see the applied audience settings. all members of sales department and general management and HR audiences are able to view, create and modify items of Sales Department holiday list. users who do not belong to this audience will not see the items from this data source on their calendar page.