2011-11-16T16:48:34.743

if (type == "TASK") {
            for (var key in ticket.task) {
                if (key == result) {
                        Val = Val.replace(item, ticket.task[key]);
                }
            }
        }

var s = "2011-11-16T16:48:34.743";
try {
  var d = new Date(s);
  var formated = d.getDate() + '/' + (d.getMonth() + 1) + '/' + d.getFullYear();
} catch (e) {
  alert("not a date");
}