($33) first level JJ in BB

PartyPoker - NL Texas Hold'em $30 Buy-in + $3 Entry Fee Tournament | Level: 1 - 10 players
Chip Counts are all around 800...
One limper from MP, Button raises to 100.
Hero is in BB with J [img]/images/graemlins/diamond.gif[/img] J [img]/images/graemlins/club.gif[/img]
Blinds 10/15
Hero calls 100, MP folds.
Flop: 10 [img]/images/graemlins/club.gif[/img]7 [img]/images/graemlins/club.gif[/img]2 [img]/images/graemlins/club.gif[/img]
Hero checks
Button bets (200)
Hero???