Calendar.setup( 
	{
	inputField     :    "tbBirthday", 
	ifFormat       :    "%d.%m.%Y",
	showsTime      :    false,
	button         :    "calendar1",
	singleClick    :    true,
	step           :    1,
	weekNumbers    :    false,
	firstDay       :    1,
	electric       :    true,
	align          :    "tc" 
	}
);