Web File Manager Site

site that provides web-based file management. Example: Individuals from a specific company would login to a web-based system, customized for the company with logos, and upload files, create directorys for files, delete, copy, etc. The typical things done in the file manager. I also need the ability to import username, password, email address information for each individual. Overall Application - Add a Custom Logo, Text and Color Scheme for all users - Ability to place banner ad type messages on the page where the user logs in. Needs Administration - Login to Admin area - As Admin: Create separate account for an individual with username/password - As Admin: Set a file capacity limit for each account - As Admin: Ability to import a text file that automatically creates individual accounts (first name, last name, username, password, email address, account size, - As Admin: Ability to deactivate an account - As Admin: Ability to delete an account - As Admin: Ability to increase/decrease individual account size - As Admin: Ability to modify any individual account information As Individual - Indiv: Photo Albums - Indiv: Ability to zip some files together - Indiv: Ability to view files (Ex: Visualizar) of different types - Indiv: Ability to resize the window created by Visualizar