function datumString(datum, string) {
  var jahr = datum.getFullYear(  );
  var monat = datum.getMonth(  );
  var realerMonat = monat + 1;
  if (realerMonat < 10) {
    gefuellterMonat = '0' + realerMonat;
  } else {
    gefuellterMonat = realerMonat;
  }
  var monate = ['Januar','Februar','März','April','Mai',
                'Juni','Juli','August','September',
                'Oktober','November','Dezember'];
  var monatsName = monate[monat];
  var tag = datum.getDate(  );
  var zweistelligerTag = tag;
  if (tag < 10) {
    zweistelligerTag = '0' + tag;
  } else {
    zweistelligerTag = tag;
  } 
  var wochentag = datum.getDay(  );
  var wochentage = ['Sonntag','Montag','Dienstag','Mittwoch', 
                    'Donnerstag','Freitag','Samstag'];
  var tagName = wochentage[wochentag];
  string = string.replace(/%J/g,jahr);
  string = string.replace(/%j/g,jahr.toString(  ).slice(-2)); 
  string = string.replace(/%M/g,monatsName); 
  string = string.replace(/%m/g,monatsName.slice(0,3));
  string = string.replace(/%N/g,gefuellterMonat); 
  string = string.replace(/%n/g,realerMonat);
  string = string.replace(/%W/g,tagName); 
  string = string.replace(/%w/g,tagName.slice(0,2));
  string = string.replace(/%T/g,zweistelligerTag); 
  string = string.replace(/%t/g,tag);
  return string;
} 

function dateString(date,string) {
	/* key for creating string
		%Y = 2008
		%y = 08
		%M = January
		%m = Jan
		%N = 01 (month)
		%n = 1 (month)
		%W = Monday
		%w = Mon
		%D = 05 (day of month)
		%d = 5 (day of month)
		%O = ordinal like 'st' for 1st, or 'th' for 5th
		Example: '%W, the %d%O of %M, %Y' will return a string like
		'Tuesday, the 6th of February, 2009'
	*/
	var months = ['January','February','March','April','May',
								'June','July','August','September',
								'October','November','December'];
	var days = ['Sunday','Monday','Tuesday','Wednesday',
							'Thursday','Friday','Saturday'];
	var day=date.getDay();
	var year=date.getFullYear();
	var month=date.getMonth();
	var realMonth=month+1;
	var fillMonth = (realMonth<10) ? '0' + realMonth : realMonth;
	var date=date.getDate();
	var fillDate = (date<10) ? '0' + date : date;
	var sfx = ["th","st","nd","rd"];
	var val = date%100;
  var ordDate = date + (sfx[(val-20)%10] || sfx[val] || sfx[0]);
	
	
	//year
	string = string.replace(/%Y/g,year); // 2008
	string = string.replace(/%y/g,year.toString().slice(-2)); //08
	//month
	string = string.replace(/%M/g,months[month]); //January
	string = string.replace(/%m/g,months[month].slice(0,3)); //Jan
	string = string.replace(/%N/g,fillMonth); // 01
	string = string.replace(/%n/g,realMonth); // 1
	//day of week
	string = string.replace(/%W/g,days[day]); //Monday
	string = string.replace(/%w/g,days[day].slice(0,3)); //Mon
	//day of month
	string = string.replace(/%D/g,fillDate); //05
	string = string.replace(/%d/g,date); // 5
	//ordinal (1st) to day
	string = string.replace(/%O/ig,ordDate);
	return string;
}