Speaking of radiation... http://www.sciencedaily.com/releases/2008/03/080325122807.htm Exposure To Low Levels Of Radon Appears To Reduce The Risk Of Lung Cancer, New Study Finds -- --- Chris Smolinski Black Cat Systems http://www.blackcatsystems.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist