Iframe 2nd post.

I have page A.
Page A has an Iframe that uses Page B
Page B have a form on it
I click a button and open a new window Page C
Page C post back to itself
I need to take a value that was posted and put it in a text box on Page
B??


The following does not work:

self.opener.parent.tabIframe2.document.forms[0].attachedfile.value =
strFileName