public void addAlerts(Collection<Alerts> newAlerts) {
		if (newAlerts == null) {
			return;
		}
		if (alerts == null) {
			alerts = new ArrayList<Alerts>(newAlerts);
			return;
		}
		for (Alerts alert : newAlerts) {
			if (!alerts.contains(alert)) {
				alerts.add(alert);
			}
		}
	}