Automation Oct 13, 2005 15:38:11 GMT Select PostDeselect PostLink to PostBack to Top Post by q8 on Oct 13, 2005 15:38:11 GMT I found these interesting.www.m.dk/en/safetycsdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/prdc/2001/1414/00/1414toc.xml&DOI=10.1109/PRDC.2001.992718