You can ensure this in ~\CMSPages\logon.aspx.cs file in Login1_LoggedIn method. You can redirect user to URL like the one bellow (i.e. the node is specified by its node id in query string): http://localhost/MartinD-4.1-01-CS/CMSDesk/default.aspx?section=content&action=edit&nodeid=6&culture=en-US
You can see proper URL e.g. in address bar of your browser after you click on particular document in 'CMS
Desk -> My Desk -> Recent documents' section.