Great reply, especially the part about the train <img src="/images/graemlins/wink.gif" alt="" /> <img src="/images/graemlins/grin.gif" alt="" />... just curious, what field are you in? I'm a contract laborer at various Nuc plants, lots of CCS work. Your explanation was dead on, couldn't have said it better myself.

Troy

PS CCS = Contamination Control Specialist... a fancy name for VERY good housekeeping <img src="/images/graemlins/wink.gif" alt="" />