una/template/form_field_labels.html

<div id="__id__wrapper">
    <div id="__id__" class="bx-form-input-autotoken bx-form-input-autotoken-labels bx-def-font-inputs bx-form-input-text">
        __value__
    </div>
    <div class="bx-form-input-autotoken bx-form-input-autotoken-labels bx-form-input-autotoken-labels-sel">
        __values__
    </div>
</div>
<script>
    var fCallack = function () {
        // adding label
        if ($(this).parents('.bx-form-input-autotoken-labels-sel').length) {
            var e = $(this).remove().on('click', fCallack);
            e.append('<input type="hidden" name="__name__[]" value="' + e.text() + '">');
            $("#__id__").append(e);
        }
        // removing label
        else if ($(this).parent('#__id__').length) {
            var e = $(this).remove().on('click', fCallack);
            e.find('input').remove();
            $("#__id__wrapper .bx-form-input-autotoken-labels-sel").prepend(e);
        }
    };
    $("#__id__wrapper b").on('click', fCallack);

    // show more
    $("#__id__wrapper .bx-form-input-autotoken-labels-show-more").on('click', function () {
        $(this).hide();
        $("#__id__wrapper .bx-form-input-autotoken-labels-more").show();
        return false;
    });
</script>