probabilistic neural networks

Hi,
  I'm working on a classification problem and one of the methods I'd
like to use are neural networks. I've been using nnet to build a
classification network. However I would like to have the probabilities
associated with the prediction. 

Are there any implementations of probabilistic neural networks available
in R?

thanks,

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Rajarshi Guha <rxg218 at psu.edu> <http://jijo.cjb.net>
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Artificial intelligence has the same relation to intelligence as
artificial flowers have to flowers.
-- David Parnas