var createUUID = (function (uuidRegEx, uuidReplacer) {
        return function () {
            return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(uuidRegEx, uuidReplacer).toUpperCase();
        };
    })(/[xy]/g, function (c) {
        var r = Math.random() * 16 | 0,
            v = c == "x" ? r : (r & 3 | 8);
        return v.toString(16);
    });