form have 2 iframe.problem to input text in other iframe

[elca]

hello,
i have some form which split by iframe.
subject field is no probelm ,but content field was come from another iframe
source..
so i can't input text in content's field..
im using PAMIE and win32com module..
i have to put text in 'contents.contentsValue' here.
but i have no luck..anyone can help me? if so really appreciate
follow is some of html source code. thanks in advance
Paul.

<IFRAME style="WIDTH: 100%; DISPLAY: block; HEIGHT: 400px" height="100%"
src="/npost/default.jsp" frameBorder=0 width="100%"
allowTransparency></IFRAME><TEXTAREA style="BORDER-BOTTOM: 0px; BORDER-LEFT:
0px; WIDTH: 100%; DISPLAY: none; HEIGHT: 400px; BORDER-TOP: 0px;
BORDER-RIGHT: 0px" id=textbox name=contents.contentsValue>


</TEXTAREA>
<DIV position="relative"><INPUT style="POSITION: absolute; WIDTH: 0px"
id=focusHolderForIE11248 type=button><INPUT style="POSITION: absolute;
WIDTH: 0px" id=focusHolderForIE26051
type=button></DIV></TD></TR></TBODY></TABLE></TD>
<TD class=attach width=75>