for some reason, my touch decided not to work on my wifi today although it has been working everyday before today. also, it worked at my friends house about 3 hours earlier? anyone know whats wrong/what i can do? **EDIT** The strength meter or whatever you want to call it has two bars as well and my wifi on my laptop (what I am currently using) is working fine. It says its "Unable to connect to network" sometimes it doesnt even pick up a signal... HELP PLEASE!!