How to exchange data between the html in the form layout and itsparameters?

i am trying to rephrase a question i asked a few days back and which yielded no response.
is there any way to exchange/transfer values or data between the html in the form layout editor and the form parameters?
for instance, is there any bridge such that the form template design (controlled by some html-based attribute), or the display property (again managed by some string value for the style:display attribute) of some of its divisions etc could be controlled by the values passed to some parameters of a portal form?
has any body ever tried to do it or thought of doing it? or it's inherrently beyond the portal forms capacity?
folks, any clues or hints on 'yes, that's how' or 'no, and that's why not!' please? will greatly appreciate.
Naqvi

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thanks reply, but
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[http://help.sap.com/saphelp_47x200/helpdata/en/9f/db9df735c111d1829f0000e829fbfe/frameset.htm|http://help.sap.com/saphelp_47x200/helpdata/en/9f/db9df735c111d1829f0000e829fbfe/frameset.htm]

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