Avoid IE exception on getRange() call in obscure circumstances (when there's no selection and dojo is running from an iframe).   Fixes #9632 !strict.
Avoid IE exception on getRange() call in obscure circumstances (when there's no selection and dojo is running from an iframe).   Fixes #9632 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@19338 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful