Hi Jim, Check out November 2003 issue of Circuit Cellar INK: http://www.dtweed.com/circuitcellar/caj00160.htm "Hierarchical Menus in Embedded Systems What is the most efficient method for implementing menu structures in embedded systems? Aubrey had been mulling over this question for several months until he recently worked out a way to implement a hierarchical menu system that allows you to reuse software for displaying and changing parameters to save ROM space and achieve maximum flexibility. Download: Kagan-160.zip" Don't forget to thank Dave Tweed on this list for creating and maintaining this index. :) Best regards, Ken Pergola -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu