

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Original:  Rob Patrick (rpatrick@mit.edu) -->

function setToday() {
var now   = new Date();
var day   = now.getDate();
var month = now.getMonth();
var year  = now.getYear();
if (year < 2000)    // Y2K Fix, Isaac Powell
year = year + 1900; // http://onyx.idbsu.edu/~ipowell
//this.focusDay = day;
document.calControl.month.selectedIndex = month;
document.calControl.year.value = year;
displayCalendar(month, year);
}

function isFourDigitYear(year) {
if (year.length != 4) {
alert ("Sorry, the year must be four-digits in length.");
document.calControl.year.select();
//document.calControl.year.focus();
} else { return true; }
}
function selectDate() {
var year  = document.calControl.year.value;
if (isFourDigitYear(year)) {
var day   = 0;
var month = document.calControl.month.selectedIndex;
displayCalendar(month, year);
    }
}

function setPreviousYear() {
var year  = document.calControl.year.value;
if (isFourDigitYear(year)) {
var day   = 0;
var month = document.calControl.month.selectedIndex;
year--;
document.calControl.year.value = year;
displayCalendar(month, year);
   }
}
function setPreviousMonth() {
var year  = document.calControl.year.value;
if (isFourDigitYear(year)) {
var day   = 0;
var month = document.calControl.month.selectedIndex;
if (month == 0) {
month = 11;
if (year > 1000) {
year--;
document.calControl.year.value = year;
}
} else { month--; }
document.calControl.month.selectedIndex = month;
displayCalendar(month, year);
   }
}
function setNextMonth() {
var year  = document.calControl.year.value;
if (isFourDigitYear(year)) {
var day   = 0;
var month = document.calControl.month.selectedIndex;
if (month == 11) {
month = 0;
year++;
document.calControl.year.value = year;
} else { month++; }
document.calControl.month.selectedIndex = month;
displayCalendar(month, year);
   }
}
function setNextYear() {
var year = document.calControl.year.value;
if (isFourDigitYear(year)) {
var day = 0;
var month = document.calControl.month.selectedIndex;
year++;
document.calControl.year.value = year;
displayCalendar(month, year);
   }
}
function displayCalendar(month, year) {       
month = parseInt(month);
year = parseInt(year);
var i = 0;
var days = getDaysInMonth(month+1,year);
var firstOfMonth = new Date (year, month, 1);
var startingPos = firstOfMonth.getDay();
days += startingPos;
document.calButtons.calPage.value  =   " Su Mo Tu We Th Fr Sa";
document.calButtons.calPage.value += "\n --------------------";
for (i = 0; i < startingPos; i++) {
if ( i%7 == 0 ) document.calButtons.calPage.value += "\n ";
document.calButtons.calPage.value += "   ";
}
for (i = startingPos; i < days; i++) {
if ( i%7 == 0 ) document.calButtons.calPage.value += "\n ";
if (i-startingPos+1 < 10)
document.calButtons.calPage.value += "0";
document.calButtons.calPage.value += i-startingPos+1;
document.calButtons.calPage.value += " ";
}
for (i=days; i<42; i++)  {
if ( i%7 == 0 ) document.calButtons.calPage.value += "\n ";
document.calButtons.calPage.value += "   ";
}
//document.calControl.Go.focus();
}
function getDaysInMonth(month,year)  {
var days;
if (month==1 || month==3 || month==5 || month==7 || month==8 || month==10 || month==12)  days=31;
else if (month==4 || month==6 || month==9 || month==11) days=30;
else if (month==2)  {
if (isLeapYear(year)) { days=29; }
else { days=28; }
}
return (days);
}
function isLeapYear (Year) {
if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0)) {
return (true);
} else { return (false); }
}

// End -->
<!-- STEP THREE: Copy this code into the BODY of your HTML document  -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
var days = new Array();
var msgs = new Array();

days[0] = "December 20, 1999";
msgs[0] = "Thanks for stopping by on my birthday!";

days[1] = "December 21, 2001";
msgs[1] = "Not Christmas yet, it's only the 21st.";

days[2] = "December 22, 1999";
msgs[2] = "Another day closer, almost there!";

days[3] = "December 23, 1999";
msgs[3] = "Wow, tomorrow is Christmas Eve!";

days[4] = "December 24, 2001";
msgs[4] = "It's Christmas Eve, thanks for visiting!";

days[5] = "December 25, 1999";
msgs[5] = "Welcome to this page on Christmas Day!";

var months = new Array("", 
"January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
);

var today = new Date(); // today
var mon = months[today.getMonth() + 1]; // month
var day = today.getDate(); // day
var year = y2k(today.getYear()); // year

function dateMsg() {
for (i = 0; i < days.length; i++) {
tempdate = new Date(days[i]);
tempmonth = months[tempdate.getMonth() + 1];
tempday = tempdate.getDate();
tempyear = y2k(tempdate.getYear());
if (year == tempyear && mon == tempmonth && day == tempday)
return("Today is " + days[i] + ".  " + msgs[i]); // returns day message
   }
return("<b><font color='white'>" + "Today is " + mon + " " + day + ", " + year + "." + "</b></font>") // returns default
}

// Y2K Fix Function
function y2k(year) {
if (year < 2000)		
year = year + 1900;
return year;
}


//  End -->
