The calendar component provides a convenient user interface to select a date. And the datebox component provides a popup of date-picker by using calendar.

The first day of the week is decided by the return value of the getFirstDayOfWeek method in the java.util.Calendar class.

<hlayout>
	<calendar id="cal" onChange="in.value = cal.value" />
	<datebox id="in" onChange="cal.value = in.value" />
</hlayout>