Added support for frame access. This is useful for example to render pages in...

Added support for frame access. This is useful for example to render pages in a PDF file and possibly pages in a fax file.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@17509 20353a03-c40f-0410-a6d1-a30d3c3de9de