Can the login page be changed so that the list of repositories are not shown? If you can just have the option to login and the site logs the user into their repository if they only have 1 repository but if the user has more then 1 repository then they are presented with a list of repositories that the user access too.
Reason is: If you wanted to have Laserfiche as a hosted service, you don't want your customers to see that they are sharing a server with other customers or know who your other customers are.