You can define a datepicker at startup, and then just use the class to attach it later. I defined datepicker as follows:
$(".date-pick").datepicker($.extend({}, $.datepicker.regional["no"], {showStatus: true, defaultDate: +1, minDate: 1, maxDate: 365, dateFormat: "dd.mm.yy", showOn: "both", buttonImage: "../images/shop/calendar.png", buttonImageOnly: true}));
Must be explained in the parameters / documentation.
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