dayRender: function (date, cell)
            {
                $.ajax({
                    type: 'GET',
                    url: 'index.php/daysTerms',
                    dataType: 'json',
                    cache: true,
                    success: function (daysTerms) {
                        $.each(daysTerms, function(index, item) {
                            if (date.isSame(item)) {
                               cell.css("border","2px solid #2E6E9E");
                            }
                        });
                    },
                    error: function() {
                          // alert('Error. no colors background');
                    }
                });
            },