function calendar(year,month,day) { // If no parameter is passed use the current date. if(year == null ) { date = new Date(); day = date.getDate(); month = date.getMonth(); year = date.getFullYear(); } months = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'); days = new Array('S', 'M', 'T', 'W', 'T', 'F', 'S'); this_month = new Date(year, month, 1); next_month = new Date(year, month + 1, 1); nxtM=month+1;prvM=month-1;nxtY=year;prvY=year; if (month==11){nxtM=0;prvM=10;nxtY=year+1;} if (month==0 ){nxtM=1;prvM=11;prvY=year-1;} //Find out when this month starts and ends. first_week_day = this_month.getDay(); days_in_this_month = Math.round((next_month.getTime() - this_month.getTime()) / (1000 * 60 * 60 * 24)); calendar_html = ''; calendar_html += ''; calendar_html += ''; //fill out days of the week for(k = 0; k < 7; k++) { if (k==0) { calendar_html += ''; }else { calendar_html += ''; } } calendar_html+=''; //Fill the first week of the month with the appropriate number of blanks. for(week_day = 0; week_day < first_week_day; week_day++) { calendar_html += ''; } week_day = first_week_day; for(day_counter = 1; day_counter <= days_in_this_month; day_counter++) { week_day %= 7; if(week_day == 0) calendar_html += ''; //Do something different for the current day. if(day == day_counter) calendar_html += ''; else calendar_html += ''; week_day++; } calendar_html += ''; calendar_html += '

	' + months[month] + ' ' + year + '
'+ days[k]+ '	'+ days[k]+ '
' + day_counter + '	' + day_counter + '
Today

'; //Display the calendar. document.getElementById("calendar").innerHTML=(calendar_html); } function nxtmnth(year,month,day) { //alert(year+" "+month+" "+day); if (month==11) {month=0;year++;} else {month++;year;} calendar(year, month,day); } function prvmnth(year,month,day) { //alert(year+" "+month+" "+day); if (month==0) {month=11;year--;} else {month--;year;} calendar(year, month,day); }