>>I just saw this 'response' about 2 years and 4 months after I posted >>the question. >>And, it has no new content. >>Maybe the answer was sent by an errant computer program that was out >>to lunch. > It was an error Ah. TANSTAAFL! Russell -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist