if (document.images != null)
{
oncalendar = new Array (13); offcalendar = new Array (13);
for (i=1;i<13;i++) {oncalendar[i] = new Image; offcalendar[i] = new Image;}

oncalendar[1].src="/images/cal_january_.gif";
oncalendar[2].src="/images/cal_february_.gif";
oncalendar[3].src="/images/cal_march_.gif";
oncalendar[4].src="/images/cal_april_.gif";
oncalendar[5].src="/images/cal_may_.gif";
oncalendar[6].src="/images/cal_june_.gif";
oncalendar[7].src="/images/cal_july_.gif";
oncalendar[8].src="/images/cal_august_.gif";
oncalendar[9].src="/images/cal_september_.gif";
oncalendar[10].src="/images/cal_october_.gif";
oncalendar[11].src="/images/cal_november_.gif";
oncalendar[12].src="/images/cal_december_.gif";

offcalendar[1].src="/images/cal_january.gif";
offcalendar[2].src="/images/cal_february.gif";
offcalendar[3].src="/images/cal_march.gif";
offcalendar[4].src="/images/cal_april.gif";
offcalendar[5].src="/images/cal_may.gif";
offcalendar[6].src="/images/cal_june.gif";
offcalendar[7].src="/images/cal_july.gif";
offcalendar[8].src="/images/cal_august.gif";
offcalendar[9].src="/images/cal_september.gif";
offcalendar[10].src="/images/cal_october.gif";
offcalendar[11].src="/images/cal_november.gif";
offcalendar[12].src="/images/cal_december.gif";

}
function calendar_on(n) {if (document.images != null)
{document.images["c"+(n+"")].src=oncalendar[n].src;}}

function calendar_off(n) {if (document.images != null)
{document.images["c"+(n+"")].src=offcalendar[n].src;}}