BuddyPress.org

a member login menu that would take the registered users to a login form similar to the form on the sidebar. Hope that makes sense.

@bookee you can create a page template with only the login form code you copied then go to Pages > Add New, add Page Title e.g. Join Us, then use the page template with the login form you created. Or, you might want to try out pcwriter’s tutorial http://wpmu.org/how-to-build-a-facebook-style-members-only-wordpress-buddypress-site/