private GridLayout createStaticFields() {
Calendar startCal = createCalendar();
Calendar endCal = createCalendar();
endCal.add(Calendar.DATE, 30);
GridLayout gl = new GridLayout(2, 2);
gl.setSpacing(true);
DateField df = createDateField(startCal.getTime(), endCal.getTime(),
null, Resolution.DAY, false);
gl.addComponent(df);
DateField inline = createDateField(startCal.getTime(),
endCal.getTime(), null, Resolution.DAY, true);
gl.addComponent(inline);
inline.setId("staticInline");
VerticalLayout vl = new VerticalLayout();
return gl;
}