Jacks on the bubble +1

[Nottom]

Opponents seem typical. Haven't seen them do anything particularly stupid, but the initial raiser is probably one of the weaker players.

***** Hand History for Game 1928952583 *****
NL Hold'em $30 Buy-in + $3 Entry Fee Trny:11496166 Level:6 Blinds(150/300) - Thursday, April 21, 15:58:07 EDT 2005
Table Table 11645 (Real Money)
Seat 8 is the button
Total number of players : 5
Seat 1: nott0m ( $1750 )
Seat 2: Oahuraised ( $1230 )
Seat 4: jshader1 ( $1365 )
Seat 8: Kingmamajama ( $2955 )
Seat 10: rambling_man ( $700 )
Trny:11496166 Level:6
Blinds(150/300)
** Dealing down cards **
Dealt to nott0m [ Js Jd ]
Oahuraised raises [600].
jshader1 is all-In [1365]
Kingmamajama folds.
rambling_man folds.

Hero's action?