Hey, i'm adding a killstreak method to my pi server so im trying to make it so when play dies

o.sendMessage("You're on a killstreak you're killstreak is now +c.killStreak+ ");
here is my Code...

if (Server.playerHandler.players[c.playerId].connectedFrom != o.lastKilled) {
o.pkPoints = (o.pkPoints + 4);
o.killStreak = (o.killStreak + 1);
o.sendMessage("You're on a killstreak you're killstreak is now +c.killStreak+ ");
if(Misc.random(10) == 3) {
Server.itemHandler.createGroundItem(o, RandomPVP(), c.getX(), c.getY(), 1, c.killerId);
}

o.lastKilled = Server.playerHandler.players[c.playerId].connectedFrom;
} else {
o.sendMessage("You're killstreak dose not count because you have killed " +c.playerName+ " twice in a row.");
o.sendMessage("You do not recieve pk points because you have killed " +c.playerName+ " twice in a row.");
}
}
}
If anyone can help . that would be nice