Fixes #6519: Textarea: Focus problem in FF2 Monitor focus events on document rather than <body>, seems to work better for iframe on FF2.
Fixes #6519: Textarea: Focus problem in FF2
Monitor focus events on document rather than <body>,
seems to work better for iframe on FF2.

Tested change for Editor, Textarea, and Spinner on all browsers.  Seems to be working.

!strict

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@15197 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful