Tue, 29 Dec 2009 20:40:08 +0100 wenzelm eliminated global Session.document_0 -- did not work due to hardwired id;
Tue, 29 Dec 2009 15:33:39 +0100 wenzelm tuned;
Tue, 29 Dec 2009 15:00:11 +0100 wenzelm tuned;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip