(function($, Backbone, _) {
                var undoManager = new Backbone.UndoManager({
                    track: true,
                    register: [window.yourName, window.person_sub_detail, window.Phone, window.Email, window.Location, window.Link, window.Expirience, window.Expirience_title, window.Expirience_title1, window.Company, window.Exp_Date, window.Expirience_location, window.company_discription_heading, window.company_discription, window.Eduaction, window.Study, window.School, window.Date_2, window.Achievements, window.proud, window.Achievements_detailes, window.Languages, window.Languages_sub, window.Languages_sub2, window.Project, window.Activity, window.Date_project, window.Location_project, window.work_discription, window.work_discription_la]
                });
                $(".undo_btn").click(function() {
                    undoManager.undo();
                });
                $(".redo_btn").click(function() {
                    undoManager.redo();
                });

                $(".reload-button").click(function() {
                    window.location.reload();
                });
            })(window.jQuery, window.Backbone, window._);;