I have no antivirus programs right now, no recovery disks, and no internet access because it says its harmful. i can go to to safe mode though.. i have windows xp plz help!

hi all,
i have a question about laptops.besides going to the coffee shops,airports,etc.. to get internet access,is there a device or something you can use,so you can access the internet from almost anywhere,just like a cellphone would work?thanks all