Bad play

Sheer bad play by me here. I've no idea why I went over the top. The least I could have done really is called.

PL Texas Hold'em $6 Buy-in Trny:28337846 Level:4 Blinds(100/200) - Tuesday, September 05, 16:11:38 ET 2006
Table Table 112463 (Real Money)
Seat 8 is the button
Total number of players : 5
Seat 1: deedee36 ( $7050 )
Seat 8: asenh ( $3276 )
Seat 5: RumTiddle ( $2908 )
Seat 9: Gweedette ( $2851 )
Seat 7: cappy_dude ( $3915 )
Trny:28337846 Level:4
Blinds(100/200)
** Dealing down cards **
Dealt to RumTiddle [ Ah Ks ]
RumTiddle calls [200].
cappy_dude folds.
asenh folds.
Gweedette raises [700].
deedee36 folds.
RumTiddle raises [2400].
Gweedette is all-In [2051]
RumTiddle calls [251].
** Dealing Flop ** [ 2h, 5s, 9s ]
** Dealing Turn ** [ 8c ]
** Dealing River ** [ Qc ]
RumTiddle shows [ Ah, Ks ] high card ace.
Gweedette shows [ As, Ac ] a pair of aces.
Gweedette wins 5902 chips from the main pot with a pair of aces.
Game #5108604423 starts.