WebNavigation setDocument

"[email protected]" <[email protected]> Tue, 17 Aug 2010 14:47:57 +0200 (CEST)
Newsgroups gmane.comp.mozilla.jrex
Message-ID <15659455.2213961282049277045.JavaMail.root@wmail33>
Hi all.
WebNavigationImpl has the getDocument() method that retrieves the current DOM 
document for the frame.
Is there a setDocument() method? I want to get the DOM of the page, make some 
changes and then perform a setDocument() in order to render the modified page 
in JRex browser.
Thanks