submit desired fields of repeating table in infopath to webservice

[Submit repeating table fields webservice]

Hi,

I need only coupleof fields to be submitted to webservice instead of
submitting all.If use the option of submitting entire form as xmldoc then it
is submitting each and every field in repeating ocntrol.I don't want
that.Please suggest a solution.

Very very urgent.
Thanks,
Aditya.