<html>
<head><script LANGUAGE="JavaScript">
<!--
//Author: Michael Gudaitis
//e-mail: jojoo@jojoo.net
//You may use this script free of charge so long as
//this copyright information stays intact.
//copyright 1998
function cala_day(form) {
var nSwitch = 0
var nMonth = parseInt(form.month.value)
var nDay = parseInt(form.day.value)
var nYear = parseInt(form.year.value)
if(!(nYear % 4) && (nMonth > 2)) {
nSwitch = 1
}
var nDayOfWeek = cala_weekday(nMonth, nDay, nYear)
if(nSwitch) {
nDayOfWeek++
nSwitch = 0
}
day_display(form, nDayOfWeek)
}
function cala_weekday( x_nMonth, x_nDay, x_nYear) {
if(x_nMonth >= 3){
x_nMonth -= 2
}
else {
x_nMonth += 10
}
if( (x_nMonth == 11) || (x_nMonth == 12) ){
x_nYear--
}
var nCentNum = parseInt(x_nYear / 100)
var nDYearNum = x_nYear % 100
var nPart1 = parseInt(2.6 * x_nMonth - .2)
var nZeller = (parseInt(nPart1 + x_nDay + nDYearNum +
(nDYearNum / 4) + (nCentNum / 4) - 2 * nCentNum)) % 7
if(nZeller < 0){
nZeller += 7
}
return nZeller
}
function day_display(form, x_nDayOfWeek) {
if(x_nDayOfWeek == 0) {
form.birthday.value = "Saturday"
return
}
if(x_nDayOfWeek == 1) {
form.birthday.value = "Sunday"
return
}
if(x_nDayOfWeek == 2) {
form.birthday.value = "Monday"
return
}
if(x_nDayOfWeek == 3) {
form.birthday.value = "Tuesday"
return
}
if(x_nDayOfWeek == 4) {
form.birthday.value = "Wednesday"
return
}
if(x_nDayOfWeek == 5) {
form.birthday.value = "Thursday"
return
}
if(x_nDayOfWeek == 6) {
form.birthday.value = "Friday"
return
}
form.birthday.value = "Not a valid date."
}
//-->
</script>
<title>JavaFILE</title>
<base target="leftframe">
</head>
<body BGCOLOR="#ffffff" link="#CC0033"
vlink="#333399" alink="#FF0000" <!--content
start-->
<p align="center"><img src="http://www.javafile.com/images/banner.GIF"
alt="banner.GIF (2826 bytes)"></p>
<table WIDTH="96%" BORDER="0"
CELLSPACING="5" CELLPADDING="5">
<tr>
<td WIDTH="100%">Ever wonder what day
you were born on? Well, you can find out with this
neat little script. Simply type your bithdate in the algorithingie
below, and it will tell
ya'...honest!<font FACE="ARIEL,HELVETICA"
SIZE="-1"><p align="center"></font>Author:
<a
href="mailto:sparrow@erols.com">Michael Gudaitis</a>??
<a
href="http://www.javafile.com/javascripts/clocks/calc3.zip">Download
the Script</a><font
FACE="ARIEL,HELVETICA" SIZE="-1"></p>
<p>To use this algorithm, input your date of birth
(MM/DD/YYYY), press "ok" and
then <i>boom</i> the day of the week in which
you were born on appears. </p>
<form>
<div align="center"><center><table
WIDTH="225" BORDER="1" ALIGN="CENTER">
<tr>
<td WIDTH="250" COLSPAN="2" ALIGN="center"
bgcolor="#0000FF"></font><font SIZE="-1"
color="#FFFFFF" FACE="ARIEL,HELVETICA"><b>Zeller's
Algorithm</b></font><font
FACE="ARIEL,HELVETICA" SIZE="-1"></td>
</tr>
<tr>
<td WIDTH="100" bgcolor="#FF0000"><font
color="#FFFF00"><font SIZE="2"><b>Month:</b><input
TYPE="Text" NAME="month" SIZE="4"><br>
<br>
<b>Day:</b><input TYPE="Text"
NAME="day" SIZE="4"><br>
<br>
<b>Year:</b><input TYPE="Text"
NAME="year" SIZE="4"></font>
</font></td>
<td WIDTH="125" ALIGN="center"
bgcolor="#FF0000"><font color="#FFFF00"><br>
<font SIZE="2"><b>Example:</b></font>
<br>
<font SIZE="2"><i><b>11-1-1970</b><br>
<b>Sunday</b></i><br>
<br>
<b>Your were born on a</b></font> <br>
<input TYPE="Text" NAME="birthday"
SIZE="10"> </font></td>
</tr>
<tr>
<td COLSPAN="2" ALIGN="center"
bgcolor="#0000FF"><input TYPE="button"
VALUE="OK"
ONCLICK="cala_day(this.form)"><input TYPE="reset"></font></td>
</tr>
</table>
</center></div>
</form>
</td>
</tr>
</table>
<!--content stop-->
</body>
</html>
