xul - iframe.contentDocument problem

Kenneth Feldt <[email protected]>
Newsgroups gmane.comp.mozilla.devel.macosx
Organization Another Netscape Collabra Server User
Message-ID <[email protected]>
Over several recent weeks, the xul planet forums
have mentioned a problem that I now encounter....
permission problems with:

     iframe.contentDocument

method that yields.....

Error: uncaught exception: Permission denied to create wrapper for 
object of class UnnamedClass

None of the XUL planet postings have received any responses, and
nothing is showing up on mozilla's bugzilla, although I have
repeated this with Mozilla builds and firefox builds on OSX 10.3.2.

The technique:

   document.frames["theWindowName"].document

works fine

This problem occurs for me with my mozilla source, and a downloaded
Firefox build. Has anyone else run into this?
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