$(document).ready(function() { 
	setTimeout(com.ag.heartBeat.sendHeartbeat, com.ag.heartBeat.timeToWait);
});

com.ag.heartBeat = {
	timeToWait: 20000,
	sendHeartbeat: function() {
		var url = "/game/record-play/" + gameKeyword + ".jsp";
		$.getJSON(url);
	}
};