@Override
		public void mouseReleased(MouseEvent e) { 
			if (e.getSource() == addPersonToParticipantsListLabel 
					&& searchList.getSelectedValue() != null) {
				addParticipants();			
			} else if (e.getSource() == removePersonFromParticipantsListLabel
					&& invitedList.getSelectedValue() != null) {
				removeParticipants();
			} else if (e.getSource() == searchField) {
				searchField.selectAll();
			} else if (e.getSource() == searchList && e.getClickCount() == 2) {
				addParticipants();
			} else if (e.getSource() == invitedList && e.getClickCount() == 2) {
				removeParticipants();
			}
		}