private void setGebDatLimits() {
// Kalenderbegrenzung
Calendar now = Calendar.getInstance(), calB = Calendar.getInstance(), calE = Calendar
.getInstance();
DefaultDateSelectionModel dsm = new DefaultDateSelectionModel();
calB.add(Calendar.MONTH, -1200);
dsm.setLowerBound(calB.getTime());
dsm.setUpperBound(calE.getTime());
JXMonthView mv = new JXMonthView(new Date(), dsm, null);
// mv.setPreferredRows(1);
// mv.setPreferredCols(2);
mv.setTraversable(true);
dpGebDat.setDate(now.getTime());