function localizeCalendar(cal)
{
    /*
    cal.cfg.setProperty("DATE_FIELD_DELIMITER", ".");

	cal.cfg.setProperty("MDY_DAY_POSITION", 0);
	cal.cfg.setProperty("MDY_MONTH_POSITION", 0);
	cal.cfg.setProperty("MDY_YEAR_POSITION", 3);

	cal.cfg.setProperty("MD_DAY_POSITION", 1);
	cal.cfg.setProperty("MD_MONTH_POSITION", 2);
	*/

	cal.cfg.setProperty("START_WEEKDAY", 1);
	// Date labels

	cal.cfg.setProperty("MONTHS_SHORT",   ["1","2","3","4","5","6","7","8","9","10","11","12"]);
	cal.cfg.setProperty("MONTHS_LONG",    ["leden","únor","březen","duben","květen","červen","červenec","srpen","září","říjen","listopad","prosinec"]);
	cal.cfg.setProperty("WEEKDAYS_1CHAR", ["n","p","ú","s","č","p","s"]);
	cal.cfg.setProperty("WEEKDAYS_SHORT", ["ne","po","út","st","čt","pá","so"]);
	cal.cfg.setProperty("WEEKDAYS_MEDIUM",["ne","po","út","st","čt","pá","so"]);
	cal.cfg.setProperty("WEEKDAYS_LONG",  ["neděle","pondělí","úterý","středa","čtvrtek","pátek","sobota"]);
}