It seems to me like you have stickey keys on... If you're comptuer beeps whenever you push shift or alt, or ctrl. Then stickey keys are on... press shift 5 times and that should make it go away.
98 Corolla LE 1.8L DOHC 1ZZFE
TEIN H.Tech Springs
Tokico HP series Struts
Short ram air intake
Tsudo Axel Back Exhaust
... if a jelly fish stung me.. would you pee on the wound?
If you haven't already, try a Firefox add-on called "Tabbrowser Extensions". It will give you a lot more control over tabs, which is really what makes the Firefox interface so good in the first place.