var weekend = [0,6];
var gNow = new Date();
var ggWinCal;
Calendar.Months=["January","February","March","April","May","June","July","August","September","October","November","December"];
Calendar.DOMonth=[31,28,31,30,31,30,31,31,30,31,30,31];
Calendar.lDOMonth=[31,29,31,30,31,30,31,31,30,31,30,31];
function Calendar(p_item, p_WinCal, p_month, p_year) {
if ((p_month == null) && (p_year == null)) return;
this.gWinCal=(p_WinCal==null) ? ggWinCal : p_WinCal;
this.gMonthName = Calendar.get_month(p_month);
this.gMonth = new Number(p_month);
this.gYear = p_year;
this.gReturnItem = p_item;
}
Calendar.get_month = Calendar_get_month;
Calendar.get_daysofmonth = Calendar_get_daysofmonth;
Calendar.calc_month_year = Calendar_calc_month_year;
function Calendar_get_month(monthNo) {
return Calendar.Months[monthNo];
}
function Calendar_get_daysofmonth(monthNo, p_year) {
if ((p_year % 4) == 0) {
if ((p_year % 100) == 0 && (p_year % 400) != 0)
return Calendar.DOMonth[monthNo];
return Calendar.lDOMonth[monthNo];
} else
return Calendar.DOMonth[monthNo];
}
function Calendar_calc_month_year(p_Month, p_Year, incr) {
var ret_arr = new Array();
if (incr == -1) {
if (p_Month == 0) {
ret_arr[0] = 11;
ret_arr[1] = parseInt(p_Year) - 1;
}
else {
ret_arr[0] = parseInt(p_Month) - 1;
ret_arr[1] = parseInt(p_Year);
}
} else if (incr == 1) {
if (p_Month == 11) {
ret_arr[0] = 0;
ret_arr[1] = parseInt(p_Year) + 1;
}
else {
ret_arr[0] = parseInt(p_Month) + 1;
ret_arr[1] = parseInt(p_Year);
}
}
return ret_arr;
}
Calendar.prototype.getMonthlyCalendarCode = function() {
var vCode = "";
var vHeader_Code = "";
var vData_Code = "";
vCode = vCode + "";
vHeader_Code = this.cal_header();
vData_Code = this.cal_data();
vCode = vCode + vHeader_Code + vData_Code;
vCode = vCode + "
";
return vCode;
}
Calendar.prototype.show = function() {
var vCode = "";
var prevMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, -1);
var prevMM = prevMMYYYY[0];
var prevYYYY = prevMMYYYY[1];
var nextMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, 1);
var nextMM = nextMMYYYY[0];
var nextYYYY = nextMMYYYY[1];
this.gWinCal.document.open();
// Setup the page...
this.wwrite("");
this.wwrite("Calendar");
this.wwrite("");
this.wwrite("");
this.wwrite("");
this.wwrite("");
// Get the complete calendar code for the month..
vCode = this.getMonthlyCalendarCode();
this.wwrite(vCode);
this.wwrite("");
this.gWinCal.document.close();
}
Calendar.prototype.wwrite = function(wtext) {
this.gWinCal.document.writeln(wtext);
}
Calendar.prototype.cal_header = function() {
var vCode = "";
var h1 = ""
var h2 = " | "
vCode = "";
vCode = vCode + h1 + "Sun" + h2;
vCode = vCode + h1 + "Mon" + h2;
vCode = vCode + h1 + "Tue" + h2;
vCode = vCode + h1 + "Wed" + h2;
vCode = vCode + h1 + "Thu" + h2;
vCode = vCode + h1 + "Fri" + h2;
vCode = vCode + h1 + "Sat" + h2;
vCode = vCode + "
";
return vCode;
}
Calendar.prototype.cal_data = function() {
var vDate = new Date();
vDate.setDate(1);
vDate.setMonth(this.gMonth);
vDate.setFullYear(this.gYear);
var vFirstDay=vDate.getDay();
var vDay=1;
var vLastDay=Calendar.get_daysofmonth(this.gMonth, this.gYear);
var vOnLastDay=0;
var vCode = "";
vCode = vCode + "";
for (i=0; i < vFirstDay; i++) {
vCode = vCode + " | ";
}
for (j=vFirstDay; j<7; j++) {
vCode = vCode + "' + this.format_day(vDay) + " | ";
vDay=vDay + 1;
}
vCode = vCode + "
";
for (k=2; k<7; k++) {
vCode = vCode + "";
for (j=0; j<7; j++) {
vCode = vCode + "| ' + this.format_day(vDay) + " | ";
vDay=vDay + 1;
if (vDay > vLastDay) {
vOnLastDay = 1;
break;
}
}
if (j == 6)
vCode = vCode + "
";
if (vOnLastDay == 1)
break;
}
// Fill up the rest of last week with proper blanks, so that we get proper square blocks
for (m=1; m<(7-j); m++) {
vCode = vCode + " | ";
}
return vCode;
}
Calendar.prototype.format_day = function(vday) {
return (vday == gNow.getDate() && this.gMonth == gNow.getMonth() && this.gYear == gNow.getFullYear()) ? "" + vday + "" : vday;
}
Calendar.prototype.write_weekend_string = function(vday) {
for (var i=0; i < weekend.length; i++) {
if (vday == weekend[i])
return (" class='weekend'");
}
return "";
}
Calendar.prototype.format_data = function(p_day) {
var vMonth = 1 + this.gMonth;
vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
var vY2 = new String(this.gYear.substr(2,2));
var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;
return vMonth + "/" + vDD + "/" + vY2;
}
function Build(p_item, p_month, p_year) {
var p_WinCal = ggWinCal;
gCal = new Calendar(p_item, p_WinCal, p_month, p_year);
gCal.show();
}
function show_calendar() {
p_item = arguments[0]; // return item
p_month = (arguments[1] == null) ? new String(gNow.getMonth()) : arguments[1]; // 0-11 for Jan-Dec
p_year = (arguments[2] == "" || arguments[2] == null) ? new String(gNow.getFullYear().toString()) : arguments[2]; // yyyy
vWinCal = window.open("","Calendar","width=250,height=200"); // ,top=200,left=200
vWinCal.opener = self;
vWinCal.focus();
ggWinCal = vWinCal;
Build(p_item, p_month, p_year);
}