var defaultReturnDateDaysAhead = -1; function showCal(id, daysGap) { activeID=id; defaultReturnDateDaysAhead = daysGap; var array=getValidatedDateArray(id); if (!isValidDate(array)&&id>1) { if (fieldExists(id-1)) { array=getValidatedDateArray(id-1); } } if (!isValidDate(array)) { var now = new Date(); array=new Array(now.getFullYear(),now.getMonth()+1,now.getDate()); } var dt=new Date(array[0],array[1]-1,array[2],0,0,0,1); while (dt.getDate()=1) { dt=new Date(array[0],array[1]-1,--array[2],0,0,0,1); } genCal(dt); } var activeID=0; function selectDate(year,month,day) { setDate(activeID,year,month,day); updateDateState(); if (typeof doDateChanged == "function") doDateChanged(activeID,defaultReturnDateDaysAhead); } function numDays(y,m) { return (m==3 || m==5 || m==8 || m==10)? 30 : ((m==1) && (((y%4==0) && y%100!=0) || y%400==0)) ? 29 : (m==1)? 28 : 31; } function genCal(inputDate) { var selectedDate = new Date(inputDate.getFullYear(), inputDate.getMonth(), inputDate.getDate()); inputDate.setDate(1); inputDate.setMonth(inputDate.getMonth() - calPastMonthsCount); var totalCalendars = 1 + calPastMonthsCount + calFutureMonthsCount; genCalDoHtmlAndPopup(inputDate, selectedDate, totalCalendars); } /* This function takes a string such as "2years30m5" and returns an array with entries [2] [30] [5] */ function getValues(sourceString) { /*only allow numbers and commas - then only single commas - the remove commas from start, then remove from end*/ sourceString = sourceString.replace(/[^0-9|-]/g,",").replace(/[,]+/g,",").replace(/,$/,"").replace(/^,/,""); return sourceString.split(","); } /*get argument from array or return nought if not found */ /*generally used on an array such as [-1,0,0] - meaning 1 year ago*/ function getArgument(theArray, index) { if (theArray.length >= index) { return parseInt(theArray[index],10/* BASE-10 */); } return 0; } function dateAdd(theDate, Years, Months, Days) { theDate.setFullYear(theDate.getFullYear()+Years); theDate.setMonth(theDate.getMonth()+Months); theDate.setDate(theDate.getDate()+Days); theDate.setHours(0); theDate.setMinutes(0); theDate.setSeconds(0); theDate.setMilliseconds(1); return theDate; } function genCalDoHtmlAndPopup(inputDate, selectedDate, totalCalendars) { var todayDate = new Date(); todayDate = new Date(todayDate.getFullYear(),(todayDate.getMonth()),todayDate.getDate(),0,0,0,1); /*What date range are we going to allow users to select */ /*value from resources should be e.g. */ /* "1YEAR 3MONTHS 5DAYS" or "-2MONTHS, -40DAYS" */ /* order IS important - MUST be YMD - any number of non-numeric chars can be used as separators */ /* GetValues() takes the YMD numbers and puts them in an array */ var selectableDaysOffsetsArrayStart = getValues(calSelectableDaysOffsetStart); var selectableDaysOffsetsArrayEnd = getValues(calSelectableDaysOffsetEnd); /* START DATE - get the numeric values from the array - assume YMD order*/ var days = getArgument(selectableDaysOffsetsArrayStart,2); var months = getArgument(selectableDaysOffsetsArrayStart, 1); var years = getArgument(selectableDaysOffsetsArrayStart, 0); /* add the values to today's date */ var selectableDaysStartDate = dateAdd( new Date(), years, months, days); /* END DATE */ days = getArgument(selectableDaysOffsetsArrayEnd, 2); months = getArgument(selectableDaysOffsetsArrayEnd, 1); years = getArgument(selectableDaysOffsetsArrayEnd, 0); var selectableDaysEndDate = dateAdd( new Date(), years, months, days); var popupHeader = '' + '

' + '' + '' + '' + '' +'' +'' +'' +'' +'

'; var popupBody = ""; for(var i=0; i < totalCalendars; i++) { var showPrevArrow = (i==0); var showNextArrow = (i+1 == totalCalendars); popupBody += doCalForMonth(inputDate, todayDate, selectedDate, selectableDaysStartDate, selectableDaysEndDate, showPrevArrow, showNextArrow, totalCalendars); inputDate.setMonth(inputDate.getMonth() +1); } var popupFooter = '

' +'' +calCloseThisWindowText +'' +'

' +'' +'

' +''; var scrollbars = "no"; var widthPerCal = 700; if (totalCalendars > 3) { scrollbars = "yes"; } else { widthPerCal = calWinWidthPerCalendar*totalCalendars; } doCalendarPopup(popupHeader + popupBody + popupFooter, widthPerCal, scrollbars); } function doCalForMonth(inputDate, todayDate, selectedDate, selectableDaysStartDate, selectableDaysEndDate, showPrevArrow, showNextArrow, totalCalendars) { var row = 1; var month = inputDate.getMonth()+1; var year = inputDate.getFullYear(); var todayMonthMatch = (inputDate.getMonth()==todayDate.getMonth() && inputDate.getFullYear()==todayDate.getFullYear()); var selectedMonthMatch = (inputDate.getMonth()==selectedDate.getMonth() && inputDate.getFullYear()==selectedDate.getFullYear()); var out = ''; out+=''; out+=''; out+=''; out+=''; out+='

'; /* Output header e.g. << March 2004 >> */ out+=''; out+=''; out+=''; out+=''; out+=''; out+=''; out+='

'; if (showPrevArrow) { out+=''+calPrevImg+''; } else { out+=' '; } out+='

'+months[month - 1] + ' ' + year + '

'; if (showNextArrow) { out+=''+calNextImg+''; } else { out+=' '; } out+='

'; out+='

'; /* Output days e.g. Sun Mon Tue Wed Thu Fri Sat */ out+=''; out+=''; for (d=0;d<7;d++) { out+=''; } out+=''; /* Output dates e.g. - - 1 2 3 4 5 */ /* first, we must handle the offset from Sunday */ var offset = 7 - firstDayOfWeekOffset; var firstDayRelativeToSunday = new Date(year,month - 1,1,0,0,0,0).getDay(); offset = offset + firstDayRelativeToSunday; if (offset >= 7) offset = offset - 7; var day=1-offset; var col=0; out+=''; totalDays = numDays(year,month - 1); while (day<=totalDays) { if (day>0) { if ((null == selectableDaysStartDate) || (null == selectableDaysEndDate) || ((new Date(year, month-1, day, 0,0,0,1).getTime() >= selectableDaysStartDate.getTime()) && (new Date(year, month-1, day, 0,0,0,1).getTime() <= selectableDaysEndDate.getTime()))) { if (todayMonthMatch && day==todayDate.getDate()) { out+=''; col++; if (col>6) { out+=''; col=0; row++; } if (col==0 && day11) { month = month-12; inputDate.setFullYear(inputDate.getFullYear()+1); } inputDate.setMonth(month); genCalDoHtmlAndPopup(inputDate, selDate, totalCalendars); }

'+days[d] + '
'; } else if (selectedMonthMatch && day==selectedDate.getDate()) { out+='	'; } else { out+='	'; } out+=''; out+=' '+day+' '; out+=''; } else { if (todayMonthMatch && day==todayDate.getDate()) { out+='	'; } else if (selectedMonthMatch && day==selectedDate.getDate()) { out+='	'; } else { out+='	'; } out+=day; } } else { out+='	'; out+=' '; } out+='