7. A method according to claim 6 , wherein filtering the list to eliminate one or more of the requested documents having an access level not available to the requesting user comprises: comparing the permission needed to access a respective document and the pre-assigned permission for each access level defined by the user role.
6. A method according to claim 1 , wherein the user is pre-assigned: a user identification; one or more user roles, wherein each user role includes one or more associated access levels; and a permission for each access level defined by the user role.