function DatumZeigen(addDays) {
	addDays = addDays||false;
	
	today = new Date();
	year = today.getFullYear();
	month = today.getMonth()+1;
	day = today.getDate();
	dayOfWeek = today.getDay();

	if( addDays ) {
		newDay = day+addDays;
		newDate = new Date( year, month-1, newDay );
	
		newDay = newDate.getDate();
		newMonth = newDate.getMonth()+1;
		newYear = newDate.getFullYear();

		return newDay+'.'+newMonth+'.'+newYear;
	}
	else {
		return day+'.'+month+'.'+year;
	}
}