To add to all the above comments....
This should still work, if you want to give it a try:
http://www.wowinterface.com/download...dUploader.html
Your portal here on WoWI also allows you to make as many pages as you wish, which will then be linked in the navigation panel on the side of your page. You can use these for any documentation you wish to provide. You can also link to external pages.