}, pMonth = function(){
                                var month = dc.range.current.month < 1 ? 11 : dc.range.current.month - 1,
                                    year = month < 11 ? dc.range.current.year : dc.range.current.year - 1,
                                    day = dc.range.current.mDay > dc.range[month].max ? dc.range[month].max : dc.range.current.mDay;
                                dc.date = new Date(year, month, day);