Performance improvement getAbsoluteLeft() and getAbsoluteTop() mozilla
Performance improvement getAbsoluteLeft() and getAbsoluteTop() mozilla

In the mail app, the gain is >10 pct for 'newer'. This is especially important
for the mouse events.


git-svn-id: 6db40d0534cac73ba019dccfebee869402ecad0c@1481 7a2bd370-bda8-463c-979e-2900ccfb811e

andreyvit/pyjamas,certik/pyjamas,andreyvit/pyjamas,certik/pyjamas,certik/pyjamas,andreyvit/pyjamas,certik/pyjamas,andreyvit/pyjamas