Thanks, David. I'm going to add that to my list of programs that produce (or work with) flow diagrams of a sort. BTW, here is the list: http://www.isldsi.com/clementine.htm http://www.isldsi.com/_borders/Image53.gif http://www.legomindstorms.com/program/tips_tricks/tips_orgprog.html http://lcs.www.media.mit.edu/people/fredm/projects/cricket/logoblocks/index.html http://www.lego.com/dacta/robolab/rcxprograms.htm http://www.daimi.au.dk/CPnets/intro/ http://www.lysator.liu.se/~alla/dia/ http://www.visio.com/products/understand/basics.html http://www.visio.com/products/standard/versatile/smartshapes.html http://24.1.97.22/gmd/tps/treepsfm.html http://www.damer.com/pictures/elixir/products/shirt1m.jpg http://www.digital.com/info/fuse/images/clas_screen.gif http://products.ics.com/builders/icsbxprouibrowser.jpg http://www.gxsnmp.org/gallery/netmap2.jpg http://www.xnet.com/~selkovjr/ElectricArc/ Cheers. Jeff -- +----------------------------+ | J.W. Bizzaro | | jeff at bioinformatics.org | | | | THE OPEN LAB | | Open Source Bioinformatics | | | | http://bioinformatics.org/ | +----------------------------+