Lister's, Many thanks to all those who have contributed to todays discussion, the thread is still open, day four will focus on hardware: What Maintenance & Disposal issues should the government take into account before the project is implemented? (issues of support, environmental concerns, etc) -- Barrack O. Otieno +254721325277 +254-20-2498789 Skype: barrack.otieno http://www.otienobarrack.me.ke/