Both the browsers Back button and the "Back to all documents" link in documents always take you back to page 1 on the view after reading a document.
This is not a very good user experience.
See a fix for this in the YouAtNotes xPages wiki:
http://xpageswiki.com/web/youatnotes/wiki-xpages.nsf/dx/Work_with_views#Remember+position+between+page+changes