How do you lock down the navigation pane from users?

[Pack10]

I am putting the final touches on a 2007 app.
I would like to know how to close off the navigation pane.
I know there is a clickable icon to open and close it, but I dont want the users doing that, How can I lock that down ?

 

[jambai]

http://social.msdn.microsoft.com/Forums/en-US/accessdev/thread/0a34dbec-5078-4e16-b6a7-78f62c39f1bf/