// tag, will randomly select images related
to special occasions such as Christmas and Easter. The images are selected from
those detailed in the array below. The images are displayed with only the width
attribute to avoid distortion.
R Scott 7-Dec-2004
*/
var SOMsgTag = " ";
// Define 'random' numbers
var seed = .5;
function srand()
{ today = new Date();
seed = Math.abs(Math.sin(today.getTime())); }
function rand()
{ seed = seed + .3;
if (seed > 1.0) seed = seed - 1.0;
return seed; }
function randimg(rcnt)
{ return Math.floor(rand() * rcnt); }
srand();
// ===========================================
// Easter date calculation routines
// (C)opyright GM Arts 1997-1999
// function ShowEasters(yr) is called, and sets the values wDay and wMonth
// GLOBAL VARIABLES
// ~~~~~~~~~~~~~~~~
var jDay = 0;
var jMonth = 0;
var oDay = 0;
var oMonth = 0;
var wDay = 0;
var wMonth = 0;
var year = 0;
// STARTUP CODE
// ~~~~~~~~~~~~
// check browser is version 2 or more
// if (parseFloat(navigator.appVersion) < 2)
// alert ("You may need to upgrade your browser to reliably use the Easter Date calculator");
// FUNCTIONS
// ~~~~~~~~~
function ShowEasters(yr)
{
year=yr
if (isNaN(year))
year = 0;
// reset vars
jDay = 0;
jMonth = 0;
wDay = 0;
wMonth = 0;
//get relevant Easter dates
EasterJulian(); // used for all calculations
EasterWestern ();
// alert("Easter Sunday date for " + year + ": "
// + GetMonth(wMonth) + " " + GetOrdinal(wDay) + ".\n\n")
;
}
function IntDiv (num, dvsr)
// performs integer division of num/dvsr - eg IntDiv(9,4)=2
{
var negate = false;
var result = 0;
if (dvsr == 0)
return null;
else {
if (num * dvsr < 0 )
negate = true;
if (num < 0)
num = -num;
if (dvsr < 0)
dvsr = -dvsr;
result = ((num - (num % dvsr)) / dvsr);
if (negate)
return -result;
else
return result;
}
}
//92
function GetMonth(m)
{
//switch is better, but not supported in JavaScript ver 1.0
if (m==3)
return ("March");
if (m==4)
return ("April");
if (m==5)
return ("May");
}
function GetOrdinal(d)
{
var rmdr = 0;
rmdr = d % 10;
if (((d >= 4) && (d <= 20)) || (rmdr == 0) || (rmdr > 3))
return (d + "th");
else {
//switch is better, but not supported in JavaScript ver 1.0
if (rmdr==1)
return (d + "st");
if (rmdr==2)
return (d + "nd");
if (rmdr==3)
return (d + "rd");
}
}
//121
function EasterJulian()
{
var g = 0;
var i = 0;
var j = 0;
var p = 0;
g = year % 19;
i = (19 * g + 15) % 30;
j = (year + IntDiv(year, 4) + i) % 7;
p = i - j + 28;
jDay = p;
jMonth = 4;
if (p > 31)
jDay = p - 31;
else
jMonth = 3;
}
function EasterWestern()
{
var g = 0;
var c = 0;
var h = 0;
var i = 0;
var j = 0;
var p = 0;
g = year % 19;
c = IntDiv(year, 100);
h = (c - IntDiv(c, 4) - IntDiv(8 * c + 13, 25) + 19 * g + 15) % 30;
i = h - IntDiv(h, 28) * (1 - IntDiv(h, 28)
* IntDiv(29, h + 1) * IntDiv(21 - g, 11));
j = (year + IntDiv(year, 4) + i + 2 - c + IntDiv(c, 4)) % 7;
p = i - j + 28;
wDay = p;
wMonth = 4;
if (p > 31)
wDay = p - 31;
else
wMonth = 3;
}
// End of Easter date calculation routines
// ===========================================
var CurrDate=new Date()
var CurrDay=CurrDate.getDate()
var CurrMth=CurrDate.getMonth()+1
var CurrYr=CurrDate.getYear()
if (CurrYr < 100)
CurrYr=CurrDate.getYear()+2000;
ShowEasters(CurrYr);
//175
// Create array of Special Occasion Images
var SOImg = new Array(39)
SOImg[0] = "xmas.gif"
SOImg[1] = "xmasangel.gif"
SOImg[2] = "xmasbells.gif"
SOImg[3] = "xmasgift.GIF"
SOImg[4] = "xmasholly.gif"
SOImg[5] = "xmassanta.gif"
SOImg[6] = "xmassanta2.gif"
SOImg[7] = "xmassleigh.gif"
SOImg[8] = "xmassnowman.gif"
SOImg[9] = "xmasstocking.gif"
SOImg[10] = "xmastree.GIF"
SOImg[11] = "xmas.gif"
SOImg[12] = "xmasangel.gif"
SOImg[13] = "xmasbells.gif"
SOImg[14] = "xmasgift.GIF"
SOImg[15] = "xmasholly.gif"
SOImg[16] = "xmassanta.gif"
SOImg[17] = "xmassanta2.gif"
SOImg[18] = "xmassleigh.gif"
SOImg[19] = "xmassnowman.gif"
SOImg[20] = "xmasstocking.gif"
SOImg[21] = "xmastree.GIF"
SOImg[22] = "austfedparlt.gif"
SOImg[23] = "austflag.gif"
SOImg[24] = "austflag2.gif"
SOImg[25] = "austflagandmap.gif"
SOImg[26] = "austkoala.gif"
SOImg[27] = "austmap.gif"
SOImg[28] = "austuluru.gif"
SOImg[29] = "easterbunny.gif"
SOImg[30] = "easterbunny2.gif"
SOImg[31] = "easteregg.gif"
SOImg[32] = "eastereggs.gif"
SOImg[33] = "melbcup.gif"
SOImg[34] = "melbcup2.gif"
SOImg[35] = "toast.gif"
SOImg[36] = "bell_color_72.jpg"
SOImg[37] = "slc_logo_small.gif"
SOImg[38] = "2007 Conference logo.jpg"
var SODir = "images/"
//216
// Display Christmas greetings from 11th Nov to 25th Dec
if ((CurrMth == 11 && CurrDay > 10) || (CurrMth == 12 && CurrDay < 26))
{
SOImgX1 = randimg(11.0)
seed = Math.abs(Math.sin(today.getMilliseconds()+SOImgX1));
SOImgX2 = randimg(11.0)
if (SOImgX2 == SOImgX1) {SOImgX2 = SOImgX1 + 8} // Ensure that images are different
SOMsgTag = '
'
SOMsgTag = SOMsgTag + "Season's Greetings"
SOMsgTag = SOMsgTag + '
'
}
// Display Australia Day message from 3rd Jan to 26th Jan
if (CurrMth == 1 && CurrDay < 27)
{
SOImgX1 = randimg(7.0) + 22
SOMsgTag = ''
SOMsgTag = SOMsgTag + "Australia Day 26th Jan"
}
// Display Rotary Centennial message from 27th Jan to 28th Feb (2005 only)
if ((CurrMth == 1 && CurrDay > 26 && CurrYr == 2005) || (CurrMth == 2 && CurrYr == 2005))
{
SOImgX1 = randimg(1.0) + 36
SOMsgTag = ''
SOMsgTag = SOMsgTag + "Rotary Centennial
23-Feb-1905 "
SOMsgTag = SOMsgTag + "to 23-Feb-2005"
}
// Display Rotary District 9800 Conference message from 27th Jan to 11th Mar (2007 only - adjust for later years)
if ((CurrMth == 1 && CurrDay > 26 && CurrYr == 2007) || (CurrMth == 2 && CurrYr == 2007)
|| (CurrMth == 3 && CurrDay < 12 && CurrYr == 2007))
{
SOMsgTag = '
'
SOMsgTag = SOMsgTag + "
RI District 9800
2007 Conference, Canberra
"
SOMsgTag = SOMsgTag + "9th to 11th March 2007"
}
// Display RI Convention message from 1st to 20th Jun (2007 only) - adjust for later years
if ((CurrMth == 6 && CurrDay < 21 && CurrYr == 2007))
{
SOMsgTag = ''
SOMsgTag = SOMsgTag + '
'
SOMsgTag = SOMsgTag + "
98th annual RI Convention
Salt Lake City, "
SOMsgTag = SOMsgTag + "17-20 June 2007"
}
// Display New Year message from 26th Dec to 2nd Jan
if ((CurrMth == 12 && CurrDay > 29) || (CurrMth == 1 && CurrDay < 3))
{
SOImgX1 = randimg(1.0) + 35
SOMsgTag = ''
SOMsgTag = SOMsgTag + "Happy New Year"
SOMsgTag = SOMsgTag + ''
}
// Display Easter message from 3 or 4 weeks before Easter to Easter Sunday
if ((CurrMth == wMonth && CurrDay <= wDay) || (CurrMth == 3 && wMonth == 4 && CurrDay > wDay))
{
SOImgX1 = randimg(4.0) + 29
SOMsgTag = ''
SOMsgTag = SOMsgTag + "Easter Greetings"
}
// Display Cup Carnival message from 16 Oct to 6 Nov
if ((CurrMth == 10 && CurrDay > 15) || (CurrMth == 11 && CurrDay < 7))
{
SOImgX1 = randimg(2.0) + 33
SOMsgTag = ''
SOMsgTag = SOMsgTag + "Melbourne Cup carnival"
}
// SOMsgTag = SOMsgTag + "wMonth " + wMonth + " CurrMth " + CurrMth + " wDay " + wDay + " CurrDay " + CurrDay + " year " + year;
// End of specialoccasion Javascript source ->