Calendar.setup({
        inputField     :    "preferred_date", 
        ifFormat       :    "%m/%d/%Y",
        showsTime      :    false,
        timeFormat     :    "24",
		weekNumbers		:	false,
		range			:	[2007, 2999]
    });
    Calendar.setup({
        inputField     :    "secondary_date",
        ifFormat       :    "%m/%d/%Y",
        showsTime      :    false,
        timeFormat     :    "24",
		weekNumbers		:	false,
		range			:	[2007, 2999] 
});