public void updateSimpleDateFormat(String format) {
		this.dateFormat = new SimpleDateFormat(format);
		if (!Preferences.getPreferenceString(Preferences.TIME_ZONE_FOR_SAVING_DATES).cur.equals("")) {
			this.dateFormat.setTimeZone(TimeZone.getTimeZone(Preferences.getPreferenceString(Preferences.TIME_ZONE_FOR_SAVING_DATES).cur));
		}
	}