Monday, January 3, 2011 was changed to All of the files and ebooks are still available for viewing and download.
Before you can access the files and information, you need to register and make and account. But, don't worry the proccess of registration is very easy. However, you need to have an email because it needs the registration verification from your email.
All files and ebooks remains, but advanced search option is still in development. However, you can use simple search the files and ebooks you want.