Fixes #4101.  Changed iframe event handler from window back to document for everything  except resize. Preprocess the value string to remove html entities.
Fixes #4101.  Changed iframe event handler from window back to document for everything 
except resize. Preprocess the value string to remove html entities.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@10138 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful