database/website

Website with Intergrated database behind it. Site: Front end needs to be interchangable and data base needs to be duplicated 7 times as there will be 7 different websites all with different databases. Websites: Website and database needs to be able to do the following: Populate database from other websites, word and pdf files. Intergrate with emails Upload word, PDF, Video and excel files Autogenerate passwords and addresses Autogenerate emails for payments Autoupdate with the database. All features need to be interchangable and can be turned off individually. Need also to be able to hide/block details on word and pdf files. Need to have a subsection which can be searched by external clients but only has a summary (recruitment site for example, clients should be able to search all candidates cv's, but should not be able to view personal contact details) Website/database should be able to generate automatic passwords for clients to view these sections, (I should also be able to expire these passwords). should be able to upload videos but block faces out, likewise on the recruitment website. Front end pictures and screeen colours should be user friendly to change. All sites should have an instant messenger capacity and be able to intergrate google maps.