      var id = obj.id;
                var username = obj.username;
                var mark = obj.mark;
                var phone = obj.phone;
                var email = obj.email;
                var lastLogin = obj.lastLogin;
                var loginIp = obj.loginIp;

                html += "<tr><td><input type='checkbox' name='id' id='id' value=" + id + " /></td>" +
                    "<td>"+id+"</td>"+
                    "<td>"+username+"</td>"+
                    "<td>"+mark+"</td>"+
           