Here's a nice hybrid solution! http://edition.cnn.com/2006/TECH/12/04/tbr.skysail.reut/index.html Regards, Alison -- Alison Pechenick, Lecturer Department of Computer Science College of Engineering & Mathematical Sciences 351 Votey Building University of Vermont Burlington, VT 05405 (802)656-2547 http://www.cems.uvm.edu/~apecheni