// ckeditor in IE error fix
$.fn.modal.Constructor.prototype.enforceFocus = function () {
    var $modalElement = this.$element;
    $(document).on('focusin.modal', function (e) {
        var $parent = $(e.target.parentNode);
        if ($modalElement[0] !== e.target
                        && !$modalElement.has(e.target).length
                        && $(e.target).parentsUntil('*[role="dialog"]').length === 0) {
            $modalElement.focus();
        }
    });
};