Web Based Diary

Hiya,
I am needing to provide a web based diary that could be linked on a network, it basically needs to show the days and weeks events to everyone, with the option to only allow selected users to edit/delete events...any ideas?

A Free one would be great!! :)

thanks

Have you looked at Google Apps? I have GMail for my domain which has a calendar for each mailbox and you can flag things as public or private, or even restrict access to certain people (though they must also have a gmail account)

that would be a great idea! :) but i was after something that wouldnt require anyone to login to-teachers want everthing as simple as possible without traumatising them asking them to create a google account then logging them in to it, need it as simple as possible

this is an example..i was after something like this..

http://network.westlancashirescouts....?page=calendar

How do you intend to restrict access without having some form of authentication?