fnTodayFilter = function(oApp, iIndex) {
				var oEndDate = oApp.getEndDate(),
					oNow = UI5Date.getInstance();

				// today
				if (oSelectedDate.getDate() === oNow.getDate()
					&& oSelectedDate.getMonth() === oNow.getMonth()
					&& oSelectedDate.getFullYear() === oNow.getFullYear()) {
					return this._iAllItems - iIndex < this._iVisibleItems
						|| oEndDate.getTime() > oNow.getTime();
				}

				// not today
				return true;
			}
Calculates which appointments to be shown.

@private
@param {array} aItems The appointments structure, which will be filtered.
@param {array} oSelectedDate The date, for which the appointments are shown.
@returns {array} the filtered items