Type in the name of a department.
Onchange of the item a dynamic action fires
which refreshes the employee region.
After the refresh a dynamic action with
the actions "Timer(plugin)" and "Show"
which start a timer and shows the region.
The timer is set to 1 second.
Finally the event of the timer triggers
a dynamic action of type submit page is fired.
To hide the region on page load a
hide dynamic action is used.