 make sure ns has at least one cell
 make sure ns has at least one cell

gregvonkuster/icqsol,gregvonkuster/icqsol,gregvonkuster/icqsol,pletzer/icqsol,gregvonkuster/icqsol,pletzer/icqsol,pletzer/icqsol,pletzer/icqsol