Here's a great tool to use when document creation requires the input and/or collaboration of more than one person. Take a look at this page if you have this need/situation.
What is EditThisPagePHP?
EditThisPagePHP is a tool for collaborative editing online. Pages can be made editable by authorized users, or anyone with something to contribute. Every version of a page is retained, so content is never lost.
EditThisPagePHP combines features of:
* Blogs: optional user comments, sending and receiving trackbacks, and RSS feeds,
* Wikis: an edit-this-page button, page history, page diffs, and it can email users when pages change,
* Content Management Systems: multiple roles (by default a reader, an editor, and a super-editor), each with different privileges.
Originally created for management of a single page, EditThisPagePHP has been extended so that multiple pages can be managed from a single configuration file. You can copy a page from the administration panel, and the new page will use the same configuration as the original...
from http://www.newsforge.com/ 
