Fullcalendarem nejde ukládat do db

        var calendar = $('#calendar').fullCalendar({
            header: h,
            editable: true,  
            droppable: true, // this allows things to be dropped onto the calendar !!!   
            drop: function (date, allDay) { // this function is called when something is dropped

                // retrieve the dropped element's stored Event Object
                var originalEventObject = $(this).data('eventObject');
                // we need to copy it, so that multiple events don't have a reference to the same object
                var copiedEventObject = $.extend({}, originalEventObject);

                // assign it the date that was reported
                copiedEventObject.start = date;
                copiedEventObject.allDay = allDay;
                copiedEventObject.className = $(this).attr("data-class");


                $('#calendar').fullCalendar('renderEvent', copiedEventObject, true);
                $.ajax({
                type: "POST",
                url: "http://bshop.hys.cz/try/add_events.php",
                data: {},
                contentType: "application/json",
                dataType: "json",
                success: function (msg) {
                    // Replace the div's content with the page method's return.
    
                    calendarStoredEvents = $.map(msg.d, function (item) {
                        return {
                            title: item.EventTitle,
                            start: item.start,
                            id: item.EventID,
                            className: item.EventclassName
                        };
                    });
                    initializeCalendar(calendarStoredEvents);
            }
        });

                // is the "remove after drop" checkbox checked?
                if ($('#drop-remove').is(':checked')) {
                    // if so, remove the element from the "Draggable Events" list
                    $(this).remove();
                }
            },
            events: "http://localhost/try/events.php",

                $.ajax({
                type: "POST",
                url: "http://bshop.hys.cz/try/add_events.php",
                data: {},
                contentType: "application/json",
                dataType: "json",
                success: function (msg) {
                    // Replace the div's content with the page method's return.
    
                    calendarStoredEvents = $.map(msg.d, function (item) {
                        return {
                            title: item.EventTitle,
                            start: item.start,
                            id: item.EventID,
                            className: item.EventclassName
                        };
                    });
                    initializeCalendar(calendarStoredEvents);
            }
        });

if($_POST['title']=="")
{
$title="nejde";
}
else
{ 
$title=$_POST['title']; 
}