class method from another class

[eluser]Avril[/eluser]
I know that the naming of the "logged_in" isn't really in the correct location, but I'm new to CI so for the moment I don't know how to access a method from anther controller, that's why I've put it in the site controller for the time being, this way I could check the authentication, when I know how to access a method from another controller I'm going to move the method to the correct controllers.

That's why I've posted my first post to