automatic parallelization

Hi everyone,
 Does anyone has experience with using auotmatic parallelization tools,
 for old Fortran and C codes?
 We are buying a PC cluster, and I look for a quick and dirty way of
 getting parallel codes out of seriel one.
 Thanks,
 Silviu Zilberman.
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 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 Zilberman Silviu
 	School of Chemistry, Tel Aviv University
 	Ramat Aviv, Tel-Aviv, Israel 61391
 Phones
 	972-3-6407634 (office)
 	972-3-6409293 (fax 1 - School of Chemistry)
 	972-3-6423765 (fax 2 - Prof. A. Nitzan)
 mailto:silviu #*at*# post.tau.ac.il
 Home Page: http://femto.tau.ac.il/~silviu
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