public Message(int id, String sender, int sender_id, int recipient_id, String body, boolean read, Timestamp sent_on) {
		this.id = id;
		this.sender_name = sender;
		this.sender_id = sender_id;
		this.recipient_id = recipient_id;
		this.body = body;
		this.read = read;
		DateFormat dateInstance = SimpleDateFormat.getDateInstance();
		SimpleDateFormat timeFormat = new SimpleDateFormat("hh:mm aaa");
		this.sent_on  = dateInstance.format(sent_on) + " at " + timeFormat.format(sent_on);
	}