Firebase latency

latency.js

	var timeoutRef = new Firebase(window.FIREBASE_ROOT + window.campaign_storage_path + "/players/" + window.currentPlayer.id + "/lastActive");
	var timeoutTimeout;
	var timeoutRefTimedOut = false;

	$connerror = $("#connectionerror");

	var notifyInterrupted = function() {
		console.log("Timeout ref showed error!");
		timeoutRefTimedOut = true;
		$connerror.show();
	};

	var checkFbConnection = function() {
		timeoutTimeout = setTimeout(notifyInterrupted, 20000);
		var fbpingstart = new Date().getTime();
		timeoutRef.set(new Date().getTime(), function(error, dummy) {
			window.firebaseLastPing = (new Date().getTime() - fbpingstart);
			clearTimeout(timeoutTimeout);
			if($connerror[0].style.display != "none") $connerror.hide();
			timeoutTimeout = false;
			timeoutRefTimedOut = false;
			setTimeout(checkFbConnection, 60000); //do it again in 30 seconds.
		});
	}

	checkFbConnection();