function getMonthNumber(input) { if (input == "Jan") {return "1"} if (input == "Feb") {return "2"} if (input == "Mar") {return "3"} if (input == "Apr") {return "4"} if (input == "May") {return "5"} if (input == "Jun") {return "6"} if (input == "Jul") {return "7"} if (input == "Aug") {return "8"} if (input == "Sep") {return "9"} if (input == "Oct") {return "10"} if (input == "Nov") {return "11"} if (input == "Dec") {return "12"} } // Checks if browser is Netscape 2.0 since the options array properties don't work with Netscape 2.0x function isBrowserSupp() { // Get the version of the browser version = parseFloat( navigator.appVersion ); if ( ( version >= 2.0 ) && ( version < 2.1 ) && ( navigator.appName.indexOf( "Netscape" ) != -1 ) ) { return false; } else { return true; } } function isLeapYear(yr) { var leapYear=false; // every fourth year is a leap year unless it's 100 th year unless it's 400 year if ((yr%4) == 0 ) { leapYear=true; } return leapYear; } function getDaysInMonth(mth, Yr) { // all the rest have 31 var maxDays=31 // expect Feb. (of course) if (mth==2) { if (isLeapYear(Yr)) { maxDays=29; } else { maxDays=28; } } // thirty days hath... if (mth==4 || mth==6 || mth==9 || mth==11) { maxDays=30; } return maxDays; } //the function which does some magic to the date fields function adjustDate(mth, day, Yr) { var value=0; var numDays=getDaysInMonth(mth, Yr); if (day < numDays) { return day; } else { return numDays; } } function parseMonth(mth, inM) { var i=1; var retval =1; for (i=1;i<=12;i++) { if (mth == inM.options[i].text) { retval=i; break; } } return retval; } function parseDay(day, inD) { var i=1; var retval =1; for (i=1;i<=31;i++) { if (day == inD.options[i].text) { retval=i; break; } } return retval; } function parseYear(year, inY) { var retval=0; var i=0; for (i=0; i<=5; i++) { if (year == inY.options[i].text) { retval=i; break; } } return retval; } //Calendar Section //calculation functions function nextMonth(month) { if (month==12) { return 1; } else { return (month+1); } } function prevMonth(month) { var prevMonth = (month-1) if (month==1) { prevMonth = 12; } return prevMonth } //increments or decrements month when it goes past Jan or Dec function changeYear(direction,month,year) { var theYear = year if (direction=="next") { if (month == 12) { theYear = (year+1) } } if (direction=="prev") { if (month == 1) { theYear = (year-1) } } return theYear } //opens a new window for the calendar function createCalendar(month,io) { var theDate = new Date(month); var theMonth = theDate.getMonth() + 1; var theDay = theDate.getDate() ; var theYear = theDate.getFullYear(); if (!isBrowserSupp()) { alert("Your browser is outdated and does not support this feature") return; } if (navigator.appVersion.indexOf("Mac",0) != -1) { calendarWindow = window.open("","Calendar","width=230,height=205,resizable=yes,scrollbars=no"); } else { calendarWindow = window.open("","Calendar","width=230,height=285,resizable=yes,scrollbars=no"); } if (isNaN(theDate)) { var today = new Date(); var thisyear = today.getFullYear(); var thismonth = today.getMonth() + 1; theMonth = thismonth; theYear = thisyear; theDay = today.getDate() } //call the function to populate the window generateCalendar(calendarWindow,theMonth,theDay,theYear,io) } //generates the meat of the calendar function generateCalendar(target,month,day,year,io) { if (!isBrowserSupp()) { return; } var monthName = new Array ("January","February","March","April","May","June","July","August","September","October","November","December") //begin table for calendar target.document.open() calendar = "calendar" calendar +="" calendar +="" var mthIdx = month; var endday = getDaysInMonth(mthIdx, year) //month header calendar +="" //writes in the day of the week labels calendar +="" calendar +="" calendar +="" calendar +="" calendar +="" calendar +="" calendar +="" calendar +="" calendar +="" if (day != 0) { origyear = year origday = day origmonth = month } wholeDate = month + "/01/" + year thedate = new Date(wholeDate) firstDay = thedate.getDay() selectedmonth = mthIdx; var today = new Date(); var thisyear = today.getYear(); var thismonth = today.getMonth() + 1; selectedyear = year var lastDay = (endday + firstDay+1) calendar +="" for (var i = 1; i < lastDay; i++) { if (i <= firstDay) { // 'empty' boxes prior to first day calendar +="" } else { // enter date number if (selectedyear == origyear && selectedmonth == origmonth && i-firstDay == origday) { calendar +="" } else { calendar +="" } } //must start new row after each week if (i % 7 == 0 && i != lastDay) { calendar +="" } } calendar +="" //separator line calendar +="" //next month and previous month buttons var goPrevMonth = prevMonth(mthIdx) var goNextMonth = nextMonth(mthIdx) var nextYear = changeYear("next",month,year) var prevYear = changeYear("prev",month,year) if(navigator.userAgent.indexOf('MSIE',0) != -1) { calendar +="" calendar +="" calendar +="" calendar +="
" var index = (mthIdx-1) calendar +="" + monthName[index] + " " + year + "
 S M T W T F S
  "+(i-firstDay)+" "+(i-firstDay)+"
prev next
" target.document.close() } else { calendar +="
" calendar +=" " calendar +="
" calendar +="" } target.document.write(calendar); target.document.close() }