Getting bet off top pair too much

[Klak]

heres 2 hands where i had top pair and i folded. were these right?

live 3/6
hand 1:the bettor is very aggressive and the raiser i havent seen much from

i have A[img]/images/graemlins/diamond.gif[/img]J[img]/images/graemlins/club.gif[/img] in sb.

5 callers, i call, bb checks.

flop comes J[img]/images/graemlins/spade.gif[/img]4[img]/images/graemlins/diamond.gif[/img]4[img]/images/graemlins/club.gif[/img]

i check(?), 3 checks, co bets, button raises, i...???

hand 2:both the bettor and raiser have been very aggressive.

i have QJ of [img]/images/graemlins/spade.gif[/img] in utg+1

i call, 3 callers behind me, blinds call

flop is Q[img]/images/graemlins/diamond.gif[/img]8[img]/images/graemlins/spade.gif[/img]8[img]/images/graemlins/club.gif[/img]

sb bets, bb raises, i..?