SEMpdx welcomes participation and posts that help move a discussion forward. We do not tolerate spam and we expect you to use general common sense. *PLEASE NOTE THIS BUG*** After you save a post, the system may tell you that you’ve entered no data. Just hit save again and it mysteriously works. It’s a known bug, not a huge deal, we’ve just got to wait for the next version, so please don’t bitch about it.