On Wed, 04 Jan 2012 16:59:27 +0000, Camaleón wrote: > Yup, but this can be found by simply "trial and error" tests. trial and error can sure yield some conclusion, but whether the conclusion is good really depend on the trials. For Vincent's case specifically, I believe no matter how many trials I did, I would never realize it. -- Tong (remove underscore(s) to reply) http://xpt.sourceforge.net/techdocs/ http://xpt.sourceforge.net/tools/