ajax type POST url ajax getSingleTT php data gr sdoGroup val dt sdoDt

  $.ajax({
      type: "POST",
      url: "../ajax/getSingleTT.php",
      data: {
        gr: sdoGroup.val(),
        dt: sdoDt.val()
      },
      dataType: "json",

      beforeSend: function() {
        $(".sdo-timetable-lesson").hide('fast', function(){ $(".sdo-timetable-lesson").remove(); });
      },

      success: function(json) {  
        $.each(json, function(i, object) {

          var temp = i + ". ";

          $.each(object, function(property, value) {
            temp += value + " / ";
          });

          $('#tt').append("<div></div>").addClass("sdo-timetable-lesson").text(temp);
        });

      },