function nextmonth() {
cmonth=Number(document.webervations_calendar.month_num.value);
nmonth=cmonth+1;
if (nmonth == 12) {
	nmonth=1;
	}
document.webervations_calendar.month_num.value = nmonth;
document.calendar.src='http://www2.reservationsonline.com/calendars/calendar_1289_avail'+nmonth+'.gif';
}

function lastmonth() {
cmonth=Number(document.webervations_calendar.month_num.value);
nmonth=cmonth-1;
if (nmonth == 0) {
	nmonth=11;
	}
document.webervations_calendar.month_num.value = nmonth;
document.calendar.src='http://www2.reservationsonline.com/calendars/calendar_1289_avail'+nmonth+'.gif';
}