> get to the point where you understand where all these pieces go A flow chart on a piece of paper would be a good start for organising what needs to happen, when and how http://en.wikipedia.org/wiki/Flowchart Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .