var mywin,Month,Year,Day,weekDay,monthDays,activeMonth,currentDay; var objText,calMode,Date1; var MonthName = new Array(13); MonthName[1] = "January"; MonthName[2] = "February"; MonthName[3] = "March"; MonthName[4] = "April"; MonthName[5] = "May"; MonthName[6] = "June"; MonthName[7] = "July"; MonthName[8] = "August"; MonthName[9] = "September"; MonthName[10] = "October"; MonthName[11] = "November"; MonthName[12] = "December"; function changeCal(id) { switch(id) { case 1 : Year = Year - 1; break; case 2 : Month = Month - 1; if (Month < 1) { Month = 12; Year = Year - 1; } break; case 3 : Month = Month + 1; if (Month > 12) { Month = 1; Year = Year + 1; } break; case 4 : Year = Year + 1; } // creating new date to find no. of days in the month Date1 = new Date(Year,Month-1,1); var tMonth = Date1.getMonth(); var tYear = Date1.getFullYear(); if(tMonth == 11) { tMonth = 0; tYear = tYear + 1; } else tMonth++; var Date2= new Date(tYear,tMonth,Date1.getDate()) monthDays = (Date2 - Date1) / 86400000; //finding whether the date is in current month Date2 = new Date() // assigning value to the global variables weekDay = Date1.getDay(); if(Date2.getFullYear() == Date1.getFullYear() && Date2.getMonth() == Date1.getMonth()) activeMonth = true; else activeMonth = false; winopen(); } function winopen() { var i,j,CalendarBody = "",CalendarHeight=85 + 100; var colWidth = " width=\"14%\""; var toDay = new Date().getDate(); CalendarBody = CalendarBody + ("Calendar"); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + (" "); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + ("
 \"previous \"previous " + MonthName[parseInt(Month,10)] + " - " + Year + "\"next \"next 
"); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + ("SunMonTueWedThuFriSat"); // code for the first row of the calendar CalendarBody = CalendarBody + (""); currentDay = 1; for(i=0;i <= 6;i++) { if(i < weekDay) CalendarBody = CalendarBody + (""); else if(activeMonth && currentDay == toDay) CalendarBody = CalendarBody + (""); else if(i%7 == 0 || i%7 == 6) // code for weekend CalendarBody = CalendarBody + (""); else if(activeMonth) //code for current Month CalendarBody = CalendarBody + (""); else CalendarBody = CalendarBody + (""); } // CalendarBody = CalendarBody + (""); // code for the remaining days for(;currentDay <= monthDays;i++) { if(i%7 == 0) { CalendarHeight += 20; CalendarBody = CalendarBody + (""); // if (!activeMonth) // CalendarBody = CalendarBody + (" \bgcolor=\"#C0C0C0\" "); // CalendarBody = CalendarBody + (">"); } if(activeMonth && currentDay == toDay) CalendarBody = CalendarBody + (""); else if(i%7 == 0 || i%7 == 6) // code for weekend CalendarBody = CalendarBody + (""); else if(activeMonth) //code for current Month CalendarBody = CalendarBody + (""); else CalendarBody = CalendarBody + (""); } //filling up the last empty columns for(;i++ % 7 != 0;) CalendarBody = CalendarBody + (""); CalendarBody = CalendarBody + ("
 " + setLink(currentDay++) + "" + setLink(currentDay++) + "" + setLink(currentDay++) + "" + setLink(currentDay++) + "
" + setLink(currentDay++) + "" + setLink(currentDay++) + "" + setLink(currentDay++) + "" + setLink(currentDay++) + " 
"); CalendarBody = CalendarBody + (""); if (mywin) if (!mywin.closed) mywin.document.close(); mywin = window.open("","myWindow111","height=" + CalendarHeight + ",width=250,resizable=yes,scrollbars=no,toolbar=no"); if ((document.window) && (!mywin.opener)) mywin.opener = document.window; mywin.document.write(CalendarBody); mywin.resizeTo(300,CalendarHeight); mywin.focus(); setValue(Day,0); } function setLink(value) { return "" + value + "" } function setValue(value,caller) { Day = parseInt(value,10); Month = parseInt(Month,10); if (Month <= 9) i = "0" + Month; else i = Month; if (Day <= 9) j = "0" + Day; else j = Day; if(calMode == 0) objText.value = i + "/" + j + "/" + Year; else objText.value = j + "/" + i + "/" + Year; if(caller == 1) mywin.close(); } function windefault(obj,Mode) { // obj is the object to read and / or write the date value generated by this function // Mode is the value to set the date type // if Mode = 0, the date type is mm/dd/yyyy // if Mode is any value that 0, the date type is dd/mm/yyyy objText = obj calMode = Mode var curDate,cal = objText.value; curDate = !isValidDate(objText); if (curDate) { // creating current date var myDate = new Date; // assigning value to the global variables Day = myDate.getDate(); Month = myDate.getMonth(); Year = myDate.getFullYear(); // creating new date to find no. of days in the month myDate = new Date(Year,Month,1) var tMonth = myDate.getMonth(); var tYear = myDate.getYear(); if(tMonth == 11) { tMonth = 0; tYear = tYear + 1; } else tMonth++; var myDate1= new Date(tYear,tMonth,myDate.getDate()) monthDays = (myDate1 - myDate) / 86400000; //finding the weekday of the first day of the month weekDay = myDate.getDay(); // incrementing month value as it should between 1 to 12 for our code Month++; //setting, it is the active month activeMonth = true; } else { //finding whether the date in in current month Date2 = new Date() if(Date2.getFullYear() == Date1.getFullYear() && Date2.getMonth() == Date1.getMonth()) activeMonth = true; else activeMonth = false; // assigning value to the global variables weekDay = Date1.getDay(); } Year = parseInt(Year,10); winopen(); } function isValidDate(obj) { var curDate,cal = obj.value; curDate = true; if (cal.length == 10) { if(calMode == 0) { Day = cal.substr(3,2) Month = cal.substr(0,2); } else { Day = cal.substr(0,2) Month = cal.substr(3,2); } Year = cal.substr(6,4); if (!isNaN(Day) && !isNaN(Month) && !isNaN(Year)) { if((Month >= 1 && Month <= 12) && Year.length == 4) { Date1 = new Date(Year,Month-1,1); var tMonth = Date1.getMonth(); var tYear = Date1.getFullYear(); if(tMonth == 11) { tMonth = 0; tYear = tYear + 1; } else tMonth++; var Date2= new Date(tYear,tMonth,Date1.getDate()) monthDays = (Date2 - Date1) / 86400000; if (Day >= 1 && Day <= monthDays) curDate = false; } } } return !curDate; }