function _fireSelect(){

		if (this._bMouseMove) {
			// detach mouse move handler because calendar might be losed in select event handler
			this._unbindMousemove(true);
		}

		this.fireSelect();

	}
@param {sap.ui.unified.calendar.CalendarDate} oDate the calendar date to focus
@param {boolean} bSkipSetDate if true, this function will skip setting the public property "date"
@param {boolean} bSkipFocus if true, item navigator's focus won't be set, but just the index will so.
@private