// BEGIN USER-EDITABLE SECTION -----------------------------------------------------
// CALENDAR COLORS
topBackground = "black"; // BG COLOR OF THE TOP FRAME
bottomBackground = "white"; // BG COLOR OF THE BOTTOM FRAME
tableBGColor = "black"; // BG COLOR OF THE BOTTOM FRAME'S TABLE
cellColor = "lightgrey"; // TABLE CELL BG COLOR OF THE DATE CELLS IN THE BOTTOM FRAME
headingCellColor = "white"; // TABLE CELL BG COLOR OF THE WEEKDAY ABBREVIATIONS
headingTextColor = "black"; // TEXT COLOR OF THE WEEKDAY ABBREVIATIONS
dateColor = "blue"; // TEXT COLOR OF THE LISTED DATES (1-28+)
focusColor = "#ff0000"; // TEXT COLOR OF THE SELECTED DATE (OR CURRENT DATE)
hoverColor = "darkred"; // TEXT COLOR OF A LINK WHEN YOU HOVER OVER IT
fontStyle = "12pt arial, helvetica"; // TEXT STYLE FOR DATES
headingFontStyle = "bold 12pt arial, helvetica"; // TEXT STYLE FOR WEEKDAY ABBREVIATIONS
// FORMATTING PREFERENCES
bottomBorder = false; // TRUE/FALSE (WHETHER TO DISPLAY BOTTOM CALENDAR BORDER)
tableBorder = 0; // SIZE OF CALENDAR TABLE BORDER (BOTTOM FRAME) 0=none
var DateTimeFormat = true; //"DateTime" if true, else a "Date"
// END USER-EDITABLE SECTION -------------------------------------------------------
// DETERMINE BROWSER BRAND
var isNav = false;
var isIE = false;
// ASSUME IT'S EITHER NETSCAPE OR MSIE
if (navigator.appName == "Netscape") {
isNav = true;
}
else {
isIE = true;
}
// global variable for top frame and bottom frame
var calDocTop;
var calDocBottom;
// PRE-BUILD PORTIONS OF THE CALENDAR WHEN THIS JS LIBRARY LOADS INTO THE BROWSER
buildCalParts();
// CALENDAR FUNCTIONS BEGIN HERE ---------------------------------------------------
// SET THE INITIAL VALUE OF THE GLOBAL DATE FIELD
function setDateField(formName, dateField) {
// ASSIGN THE INCOMING FIELD OBJECT TO A GLOBAL VARIABLE
thisform = document.forms[formName];
calDateField = thisform[dateField];
// GET THE VALUE OF THE INCOMING FIELD
inDate = thisform[dateField].value;
// SET calDate TO THE DATE IN THE INCOMING FIELD OR DEFAULT TO TODAY'S DATE
setInitialDate();
// THE CALENDAR FRAMESET DOCUMENTS ARE CREATED BY JAVASCRIPT FUNCTIONS
calDocTop = buildTopCalFrame();
calDocBottom = buildBottomCalFrame();
}
// SET THE INITIAL CALENDAR DATE TO TODAY OR TO THE EXISTING VALUE IN dateField
function setInitialDate() {
calDate = ParseDate(inDate, DateTimeFormat);
// IF THE INCOMING DATE IS INVALID, USE THE CURRENT DATE
if (isNaN(calDate)) {
// ADD CUSTOM DATE PARSING HERE
// IF IT FAILS, SIMPLY CREATE A NEW DATE OBJECT WHICH DEFAULTS TO THE CURRENT DATE
calDate = new Date();
}
// KEEP TRACK OF THE CURRENT DAY VALUE
calDay = calDate.getDate();
// SET DAY VALUE TO 1... TO AVOID JAVASCRIPT DATE CALCULATION ANOMALIES
// (IF THE MONTH CHANGES TO FEB AND THE DAY IS 30, THE MONTH WOULD CHANGE TO MARCH
// AND THE DAY WOULD CHANGE TO 2. SETTING THE DAY TO 1 WILL PREVENT THAT)
calDate.setDate(1);
}
// CREATE THE TOP CALENDAR FRAME
function buildTopCalFrame() {
// CREATE THE TOP FRAME OF THE CALENDAR
var calDoc =
"" +
"" +
"" +
"" +
"" +
"" +
"";
return calDoc;
}
// CREATE THE BOTTOM CALENDAR FRAME
// (THE MONTHLY CALENDAR)
function buildBottomCalFrame() {
// START CALENDAR DOCUMENT
var calDoc = calendarBegin;
// GET MONTH, AND YEAR FROM GLOBAL CALENDAR DATE
month = calDate.getMonth();
year = calDate.getFullYear();
// GET GLOBALLY-TRACKED DAY VALUE (PREVENTS JAVASCRIPT DATE ANOMALIES)
day = calDay;
var i = 0;
// DETERMINE THE NUMBER OF DAYS IN THE CURRENT MONTH
var days = getDaysInMonth();
// IF GLOBAL DAY VALUE IS > THAN DAYS IN MONTH, HIGHLIGHT LAST DAY IN MONTH
if (day > days) {
day = days;
}
// DETERMINE WHAT DAY OF THE WEEK THE CALENDAR STARTS ON
var firstOfMonth = new Date (year, month, 1);
// GET THE DAY OF THE WEEK THE FIRST DAY OF THE MONTH FALLS ON
var startingPos = firstOfMonth.getDay();
days += startingPos;
// KEEP TRACK OF THE COLUMNS, START A NEW ROW AFTER EVERY 7 COLUMNS
var columnCount = 0;
// MAKE BEGINNING NON-DATE CELLS BLANK
for (i = 0; i < startingPos; i++) {
calDoc += blankCell;
columnCount++;
}
// SET VALUES FOR DAYS OF THE MONTH
var currentDay = 0;
var dayType = "weekday";
// DATE CELLS CONTAIN A NUMBER
for (i = startingPos; i < days; i++) {
var paddingChar = " ";
// ADJUST SPACING SO THAT ALL LINKS HAVE RELATIVELY EQUAL WIDTHS
if (i-startingPos+1 < 10) {
padding = " ";
}
else {
padding = " ";
}
// GET THE DAY CURRENTLY BEING WRITTEN
currentDay = i-startingPos+1;
// SET THE TYPE OF DAY, THE focusDay GENERALLY APPEARS AS A DIFFERENT COLOR
if (currentDay == day) {
dayType = "focusDay";
}
else {
dayType = "weekDay";
}
// ADD THE DAY TO THE CALENDAR STRING
calDoc += "
";
columnCount++;
// START A NEW ROW WHEN NECESSARY
if (columnCount % 7 == 0) {
calDoc += "
";
}
}
// MAKE REMAINING NON-DATE CELLS BLANK
for (i=days; i<42; i++) {
calDoc += blankCell;
columnCount++;
// START A NEW ROW WHEN NECESSARY
if (columnCount % 7 == 0) {
calDoc += "
";
if (i<41) {
calDoc += "
";
}
}
}
// FINISH THE NEW CALENDAR PAGE
calDoc += calendarEnd;
// RETURN THE COMPLETED CALENDAR PAGE
return calDoc;
}
// WRITE THE MONTHLY CALENDAR TO THE BOTTOM CALENDAR FRAME
function writeCalendar() {
// CREATE THE NEW CALENDAR FOR THE SELECTED MONTH & YEAR
calDocBottom = buildBottomCalFrame();
if (document.getElementById) { // ns6 & ie
top.newWin.frames['bottomCalFrame'].document.getElementById('bottomDiv').innerHTML = calDocBottom;
} else {
// WRITE THE NEW CALENDAR TO THE BOTTOM FRAME
top.newWin.frames['bottomCalFrame'].document.open();
top.newWin.frames['bottomCalFrame'].document.write(calDocBottom);
top.newWin.frames['bottomCalFrame'].document.close();
}
}
// SET THE CALENDAR TO TODAY'S DATE AND DISPLAY THE NEW CALENDAR
function setToday() {
// SET GLOBAL DATE TO TODAY'S DATE
calDate = new Date();
// SET DAY MONTH AND YEAR TO TODAY'S DATE
var month = calDate.getMonth();
var year = calDate.getFullYear();
// SET MONTH IN DROP-DOWN LIST
top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex = month;
// SET YEAR VALUE
top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
// SET THE DAY VALUE
calDay = calDate.getDate();
// DISPLAY THE NEW CALENDAR
writeCalendar();
}
// SET THE GLOBAL DATE TO THE NEWLY ENTERED YEAR AND REDRAW THE CALENDAR
function setYear() {
// GET THE NEW YEAR VALUE
var year = top.newWin.frames['topCalFrame'].document.calControl.year.value;
// IF IT'S A FOUR-DIGIT YEAR THEN CHANGE THE CALENDAR
if (isFourDigitYear(year)) {
calDate.setFullYear(year);
writeCalendar();
top.newWin.frames['topCalFrame'].document.calControl.year.blur();
}
else {
// HIGHLIGHT THE YEAR IF THE YEAR IS NOT FOUR DIGITS IN LENGTH
top.newWin.frames['topCalFrame'].document.calControl.year.focus();
top.newWin.frames['topCalFrame'].document.calControl.year.select();
}
}
// SET THE GLOBAL DATE TO THE SELECTED MONTH AND REDRAW THE CALENDAR
function setCurrentMonth() {
// GET THE NEWLY SELECTED MONTH AND CHANGE THE CALENDAR ACCORDINGLY
var month = top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex;
calDate.setMonth(month);
writeCalendar();
}
// SET THE GLOBAL DATE TO THE PREVIOUS YEAR AND REDRAW THE CALENDAR
function setPreviousYear() {
var year = top.newWin.frames['topCalFrame'].document.calControl.year.value;
if (isFourDigitYear(year) && year > 1000) {
year--;
calDate.setFullYear(year);
top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
writeCalendar();
}
}
// SET THE GLOBAL DATE TO THE PREVIOUS MONTH AND REDRAW THE CALENDAR
function setPreviousMonth() {
var year = top.newWin.frames['topCalFrame'].document.calControl.year.value;
if (isFourDigitYear(year)) {
var month = top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex;
// IF MONTH IS JANUARY, SET MONTH TO DECEMBER AND DECREMENT THE YEAR
if (month == 0) {
month = 11;
if (year > 1000) {
year--;
calDate.setFullYear(year);
top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
}
}
else {
month--;
}
calDate.setMonth(month);
top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex = month;
writeCalendar();
}
}
// SET THE GLOBAL DATE TO THE NEXT MONTH AND REDRAW THE CALENDAR
function setNextMonth() {
var year = top.newWin.frames['topCalFrame'].document.calControl.year.value;
if (isFourDigitYear(year)) {
var month = top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex;
// IF MONTH IS DECEMBER, SET MONTH TO JANUARY AND INCREMENT THE YEAR
if (month == 11) {
month = 0;
year++;
calDate.setFullYear(year);
top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
}
else {
month++;
}
calDate.setMonth(month);
top.newWin.frames['topCalFrame'].document.calControl.month.selectedIndex = month;
writeCalendar();
}
}
// SET THE GLOBAL DATE TO THE NEXT YEAR AND REDRAW THE CALENDAR
function setNextYear() {
var year = top.newWin.frames['topCalFrame'].document.calControl.year.value;
if (isFourDigitYear(year)) {
year++;
calDate.setFullYear(year);
top.newWin.frames['topCalFrame'].document.calControl.year.value = year;
writeCalendar();
}
}
// GET NUMBER OF DAYS IN MONTH
function getDaysInMonth() {
var days;
var month = calDate.getMonth()+1;
var year = calDate.getFullYear();
// RETURN 31 DAYS
if (month==1 || month==3 || month==5 || month==7 || month==8 ||
month==10 || month==12) {
days=31;
}
// RETURN 30 DAYS
else if (month==4 || month==6 || month==9 || month==11) {
days=30;
}
// RETURN 29 DAYS
else if (month==2) {
if (isLeapYear(year)) {
days=29;
}
// RETURN 28 DAYS
else {
days=28;
}
}
return (days);
}
// CHECK TO SEE IF YEAR IS A LEAP YEAR
function isLeapYear (Year) {
if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0)) {
return (true);
}
else {
return (false);
}
}
// ENSURE THAT THE YEAR IS FOUR DIGITS IN LENGTH
function isFourDigitYear(year) {
if (year == null || year.match(/^[0-9]{4}$/) == null){
top.newWin.frames['topCalFrame'].document.calControl.year.value = calDate.getFullYear();
top.newWin.frames['topCalFrame'].document.calControl.year.select();
top.newWin.frames['topCalFrame'].document.calControl.year.focus();
}
else {
return true;
}
}
// BUILD THE MONTH SELECT LIST
function getMonthSelect() {
monthArray = new Array(L_January, L_February, L_March, L_April, L_May, L_June,
L_July, L_August, L_September, L_October, L_November, L_December);
// DETERMINE MONTH TO SET AS DEFAULT
var activeMonth = calDate.getMonth();
// START HTML SELECT LIST ELEMENT
monthSelect = "";
// RETURN A STRING VALUE WHICH CONTAINS A SELECT LIST OF ALL 12 MONTHS
return monthSelect;
}
// SET DAYS OF THE WEEK DEPENDING ON LANGUAGE
function createWeekdayList() {
weekdayArray = new Array(L_Su,L_Mo,L_Tu,L_We,L_Th,L_Fr,L_Sa);
// START HTML TO HOLD WEEKDAY NAMES IN TABLE FORMAT
var weekdays = "
";
// LOOP THROUGH WEEKDAY ARRAY
for (i in weekdayArray) {
weekdays += "
" + weekdayArray[i] + "
";
}
weekdays += "
";
// RETURN TABLE ROW OF WEEKDAY ABBREVIATIONS TO DISPLAY ABOVE THE CALENDAR
return weekdays;
}
// PRE-BUILD PORTIONS OF THE CALENDAR (FOR PERFORMANCE REASONS)
function buildCalParts() {
// GENERATE WEEKDAY HEADERS FOR THE CALENDAR
weekdays = createWeekdayList();
// BUILD THE BLANK CELL ROWS
blankCell = "
";
// BUILD THE TOP PORTION OF THE CALENDAR PAGE USING CSS TO CONTROL SOME DISPLAY ELEMENTS
calendarBegin =
"" +
"" +
// STYLESHEET DEFINES APPEARANCE OF CALENDAR
"" +
"" +
"";
if (document.getElementById) { // ns6 & ie
calendarBegin +=
"
";
}
calendarBegin +=
"
";
// NAVIGATOR NEEDS A TABLE CONTAINER TO DISPLAY THE TABLE OUTLINES PROPERLY
if (isNav) {
calendarBegin +=
"
";
}
// BUILD WEEKDAY HEADINGS
calendarBegin +=
"
" +
weekdays +
"
";
// BUILD THE BOTTOM PORTION OF THE CALENDAR PAGE
calendarEnd = "";
// WHETHER OR NOT TO DISPLAY A THICK LINE BELOW THE CALENDAR
if (bottomBorder) {
calendarEnd += "
";
}
// NAVIGATOR NEEDS A TABLE CONTAINER TO DISPLAY THE BORDERS PROPERLY
if (isNav) {
calendarEnd += "
";
}
// END THE TABLE AND HTML DOCUMENT
calendarEnd +=
"
";
}
calendarEnd +=
"" +
"";
}
// REPLACE ALL INSTANCES OF find WITH replace
// inString: the string you want to convert
// find: the value to search for
// replace: the value to substitute
//
// usage: jsReplace(inString, find, replace);
// example: jsReplace("To be or not to be", "be", "ski");
// result: "To ski or not to ski"
//
function jsReplace(inString, find, replace) {
var outString = "";
if (!inString) {
return "";
}
// REPLACE ALL INSTANCES OF find WITH replace
if (inString.indexOf(find) != -1) {
// SEPARATE THE STRING INTO AN ARRAY OF STRINGS USING THE VALUE IN find
t = inString.split(find);
// JOIN ALL ELEMENTS OF THE ARRAY, SEPARATED BY THE VALUE IN replace
return (t.join(replace));
}
else {
return inString;
}
}
// JAVASCRIPT FUNCTION -- DOES NOTHING (USED FOR THE HREF IN THE CALENDAR CALL)
function doNothing() {
}
// ENSURE THAT VALUE IS TWO DIGITS IN LENGTH
function makeTwoDigit(inValue) {
var numVal = parseInt(inValue, 10);
// VALUE IS LESS THAN TWO DIGITS IN LENGTH
if (numVal < 10) {
// ADD A LEADING ZERO TO THE VALUE AND RETURN IT
return("0" + numVal);
}
else {
return numVal;
}
}
// SET FIELD VALUE TO THE DATE SELECTED AND CLOSE THE CALENDAR WINDOW
function returnDate(inDay)
{
// inDay = THE DAY THE USER CLICKED ON
calDate.setDate(inDay);
// SET THE DATE RETURNED TO THE USER
var day = calDate.getDate();
var month = calDate.getMonth()+1;
var year = calDate.getFullYear();
if ( DateTimeFormat == true )
outDate = "DateTime(";
else
outDate = "Date(";
outDate += year + ",";
outDate += month + ",";
outDate += day;
if ( DateTimeFormat == true ) {
outDate += ",";
outDate += gHour + ","; gHour = "0";
outDate += gMin + ","; gMin = "0";
outDate += gSec; gSec = "0";
}
outDate += ")";
// SET THE VALUE OF THE FIELD THAT WAS PASSED TO THE CALENDAR
calDateField.value = outDate;
// GIVE FOCUS BACK TO THE DATE FIELD
calDateField.focus();
// CLOSE THE CALENDAR WINDOW
top.newWin.close()
}
var gHour = "0";
var gMin = "0";
var gSec = "0";
var regDateTimePrompt = /^(D|d)(A|a)(T|t)(E|e)(T|t)(I|i)(M|m)(E|e) *\( *\d{4} *, *(0?[1-9]|1[0-2]) *, *((0?[1-9]|[1-2]\d)|3(0|1)) *, *([0-1]?\d|2[0-3]) *, *[0-5]?\d *, *[0-5]?\d *\)$/
function ParseDateTimePrompt(inDate)
{
if ( regDateTimePrompt.test ( inDate ) )
{
var sDate = inDate.substr ( inDate.indexOf("(")+1 ); //move past "DateTime ("
sDate = sDate.substr ( 0, sDate.lastIndexOf(")") ); //remove trailing ")"
var dateArray = sDate.split (',');
var _date = new Date ( dateArray[0], Number(dateArray[1]) - 1, dateArray[2] );
gHour = dateArray[3]; gMin = dateArray[4]; gSec = dateArray[5];
return _date;
}
return new Date ();
}
var regDatePrompt = /^(D|d)(A|a)(T|t)(E|e) *\( *\d{4} *, *(0?[1-9]|1[0-2]) *, *((0?[1-9]|[1-2]\d)|3(0|1)) *\)$/
function ParseDatePrompt(inDate)
{
if ( regDatePrompt.test ( inDate ) )
{
var sDate = inDate.substr ( inDate.indexOf("(")+1 ); //move past "Date ("
sDate = sDate.substr ( 0, sDate.lastIndexOf(")") ); //remove trailing ")"
var dateArray = sDate.split (',');
return new Date ( dateArray[0], Number(dateArray[1]) - 1, dateArray[2] );
}
return new Date();
}
function ParseDate(inDate, bDateTimeFormat)
{
var result;
if (bDateTimeFormat == true) {
result = ParseDateTimePrompt(inDate);
} else {
result = ParseDatePrompt(inDate);
}
return result;
}