// JavaScript: BibleFunctions.js
// Written by: Chris R Ford
// 08/13/2011: Add verse2 argument to Bible Reader.
// 03/21/2010: Add DayCalculator routines for Seventy-Weeks math page.
// 10/25/2009: Define first BibleReaderBox as 'root'.
// : Handle directory 'x' to support move to new server.
// 08/22/2009: Change table background color to Light Gray.
// 08/01/2009: Add NewWin function (now removed)
// 05/29/2008: For Bible Search box, correct setting of Rev.
// 05/19/2008: References to Bible_Reader changed to Bible_Read.
// 02/16/2008: Implementation
// PageLastModified - Displays Page Last Modified Date.
// BibleReaderBox - Displays a standard form box for Bible Reader access.
// BibleSearchBox - Displays a standard form box for Bible Search access.
// BibleSchedulerBox - Displays a standard form box for Bible Scheduler access.
// DayCalculator - Scripts for days between dates - written by Steve Evans
// Define Global Variables
var bgcolor = "#C8C8C8"; // Light Gray
var books = new Array (
"Gen", "Exo", "Lev", "Num", "Deu", "Jos", "Jdg", "Rth", "1Sa", "2Sa", "1Ki", "2Ki", "1Ch", "2Ch",
"Ezr", "Neh", "Est", "Job", "Psa", "Pro", "Ecc", "Son", "Isa", "Jer", "Lam", "Eze", "Dan", "Hos",
"Joe", "Amo", "Oba", "Jon", "Mic", "Nah", "Hab", "Zep", "Hag", "Zec", "Mal",
"Mat", "Mar", "Luk", "Joh", "Act", "Rom", "1Co", "2Co", "Gal", "Eph", "Php", "Col", "1Th", "2Th",
"1Ti", "2Ti", "Tit", "Phm", "Heb", "Jas", "1Pe", "2Pe", "1Jo", "2Jo", "3Jo", "Jud", "Rev");
var df = 1; //date format mm/dd/yyyy
//<<**Custom Date object
//Thanks to Claus Tøndering for the Julian day algorithm
//http://www.tondering.dk/claus/calendar.html
var GREGORIAN = 0;
var JULIAN = 1;
var year = 0;
var month = 0;
var day = 0;
var julianday = 0.0;
var modifiedjulianday = 0.0;
//-------------------------------------------------------------------------------------------
function PageLastModified()
{
document.write("Page last modified ");
document.writeln(document.lastModified);
}
//-------------------------------------------------------------------------------------------
function BibleReaderBox(in_path, in_book, in_chap, in_verse, in_verse2, in_harmonyref)
{
var versefav = new Array (
"Joh 3 16", "Rom 10 8 10", "Psa 100", "Gal 5 22 23", "Gen 3 15", "Zec 2 8", "Pro 3 5 6", "Psa 37 3 6", "Psa 118 22 24",
"Psa 119 103", "Isa 40 31", "Isa 55 11", "Mat 7 7", "Joh 3 3", "Joh 20 21", "Act 4 12", "Rev 3 20",
"Joh 14 6", "Act 17 11", "Rom 1 16", "Heb 11 6", "Rom 12 2", "Rom 11 33", "Rom 13 11", "1Co 1 18",
"1Co 1 27", "1Co 2 14", "1Co 15 3", "2Co 2 14", "1Co 15 26", "1Co 15 57", "2Co 4 18", "2Co 5 17",
"Gal 2 16", "Col 1 27", "Heb 13 15", "Eph 5 20", "Php 4 19", "Col 3 1", "Col 3 15", "1Th 2 13", "1Th 5 23",
"Heb 10 36", "Jas 5 8", "1Pe 1 3", "1Pe 1 23", "2Co 10 5", "1Pe 5 6", "2Pe 1 16", "1Jo 3 2",
"1Jo 4 4", "Psa 23");
// When no book/chapter/verse passed in, initially display a random favorite verse on the form.
if (in_book > "") {
toc_ref = "#" + in_book + in_chap + ":1";
}
else {
toc_ref = "";
var versefav_tot = versefav.length;
var rand = Math.random();
rand = rand * versefav_tot;
rand = Math.ceil(rand) - 1;
var versefav_str = versefav[rand];
var versefav_word = versefav_str.split(" ");
in_book = versefav_word[0];
in_chap = versefav_word[1];
in_verse = versefav_word[2];
in_verse2 = versefav_word[3];
}
// Write the box form.
document.write(" ");
return;
}
//-------------------------------------------------------------------------------------------
function BibleSearchBox(in_opt1, in_opt2, in_opt3, in_opt4, in_opt5, in_opt6, in_opt7)
{
// Write the box form.
document.write(" ");
return;
}
//-------------------------------------------------------------------------------------------
function BibleSchedulerBox()
{
var months = new Array (
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
var now = new Date();
var dd = now.getDate();
var mm = now.getMonth();
mm = months[mm];
// Write the box form.
document.write(" ");
return;
}
//-------------------------------------------------------------------------------------------
// Scripts for days between dates
// The Javascript Date object is buggy, so a custom date object is included.
// written by Steve Evans - www.msevans.com
function ipart(r){ return Math.round(r - 0.5) }
function getJulianDay(){ return this.julianday }
function getModifiedJulianDay(){ return this.modifiedjulianday }
function CustomDate(yr, mo, da, type){
year = yr * 1.0; //convert string to float
if (year < -4713 || year > 3268){
alert("Year out of range");
document.datainput.dateerr.value="??"
return;
}
month = mo * 1.0;
day = da * 1.0;
if (year == 1582 && month == 10 && day > 4 && day < 15){
alert("Invalid date: 15 Oct immediately followed 4 Oct in the year 1582")
document.datainput.dateerr.value="??"
return;
}
if (year < 0) year = year + 1; //B.C. date correction
var a = ipart((14 - month) / 12);
var y = year + 4800 -a;
var m = month + 12 * a - 3;
if (type == GREGORIAN){
julianday = day + ipart((153*m + 2)/5) + y*365 + ipart(y/4) - ipart(y/100) + ipart(y/400) - 32045;
}
if (type == JULIAN){
julianday = day + ipart((153*m + 2)/5) + y*365 + ipart(y/4) - 32083;
}
modifiedjulianday = julianday - 2400000.5; //Zero at 17 Nov 1858 00:00:00 UTC
this.getJulianDay = getJulianDay();
this.getModifiedJulianDay = getModifiedJulianDay();
}
//CustomDate**>>
function fix2DigitDate(dateval){
var date = dateval + "" //dateval must be a string
if (date.length < 3){
date = 1900 + date * 1.0
date = date + "" //to string
}
return date
}
function parseDate(dateval,eraval){
//split is a Javascript 1.2 function
var dary=dateval.split("/")
var era;
eraval > 0 ? era = -1: era = 1
var y = fix2DigitDate(dary[2]) * era
switch (df){
case 1: { m = dary[0]; d = dary[1] } // mm/dd/yyyy
break;
case 2: { m = dary[1]; d = dary[0] } // dd/mm/yyyy
break;
default: { m = dary[0]; d = dary[1] }
}
var calendar
if (y > 1582) calendar = GREGORIAN
else if (y < 1582) calendar = JULIAN
else if (m < 10 | (m == 10 && d < 15)) calendar = JULIAN
else calendar = GREGORIAN
i=new CustomDate(y,m,d,calendar)
return i
}//dateval
//Calculate days between dates
function calcDBD(){
var err
var era1 = document.datainput.era1.selectedIndex
var era2 = document.datainput.era2.selectedIndex
var date1 = document.datainput.firstdate.value
var date2 = document.datainput.seconddate.value
err = checkdate(date1,era1)
if (err == 1) return
err = checkdate(date2,era2)
if (err == 1) return
firstdate=parseDate(date1,era1)
seconddate=parseDate(date2,era2)
dbd = seconddate.getJulianDay-firstdate.getJulianDay
document.datainput.result.value=dbd.toString() + " days"
}//calcDBD
//Date format is either mm/dd/yyyy or dd/mm/yyyy
function dateFormat(f){
df = f;
}//dateFormat
//Validate the dates
//Heavily modified from a script by Mattias Sjsberg 11-28-96
function checkdate(date,era) {
var err = 0
var valid = "0123456789/"
//var ok = "yes"
var temp;
if (date == null || date.length < 1) err = 1 //is there a date?
//check for invalid characters
for (var i=0; i< date.length; i++) {
temp = "" + date.substring(i, i+1)
if (valid.indexOf(temp) == "-1") err = 1
}
//split is Javascript 1.2
dary=date.split("/")
if (df == 1){
b=dary[0] //month
d=dary[1] //day
}
if (df == 2){
b=dary[1] //month
d=dary[0] //day
}
f=dary[2] //year
if (err != 1 && f.length < 3) { //one or two digit date
f = fix2DigitDate(f) //20th century
if (era != null && era == 1) {
err = 1; //BC years must be 4 digits
date = date + " B.C." }
}
if (b<1 || b>12) err = 1
if (d<1 || d>31) err = 1
if (f<0 || f>9999) err = 1
if (b==4 || b==6 || b==9 || b==11){
if (d==31) err=1
}
if (b==2){ //leap year checking
var g=parseInt(f/4)
if (isNaN(g)) err=1
if (d>29) err=1
if (d==29){
//leap years are always divisible by 4
if ( (f/4)!= parseInt(f/4)) err = 1
//in the Gregorian calendar century years are not leap years unless divisible by 400
if (f > 1582) {
if (((f/100) == parseInt(f/100)) && (f/400 != parseInt(f/400))) err = 1
}
}
}
if (err==1) {
alert('Is this date ('+date+') correct?')
document.datainput.dateerr.value="??"
}
else {
//alert('Valid date!');
document.datainput.dateerr.value=""
}
return err
}//checkdate
//Get today's date. Date object works ok here.
function enterToday() {
var today=""
var time=new Date()
var month=time.getMonth() + 1
var date=time.getDate()
var year=time.getYear()
// Y2K Fix by Isaac Powell
// http://onyx.idbsu.edu/~ipowell
if ((navigator.appName == "Microsoft Internet Explorer") && (year < 2000))
year="19" + year
if (navigator.appName == "Netscape")
year=1900 + year
if (date<10) {date="0"+date}
if (month<10) {month="0"+month}
//select American or European date format
df == 1 ? today=month+"/"+date+"/"+year : today=date+"/"+month+"/"+year
document.datainput.seconddate.value=today
document.datainput.era2.selectedIndex=0
}//enterToday
function firstDateAssist(){
var dfstr = "MM/DD/YYYY"
if (df == 2) dfstr = "DD/MM/YYYY";
var textbox = 'datainput.firstdate'
show_calendar(textbox,"","",dfstr)
}
function secondDateAssist(){
var dfstr = "MM/DD/YYYY"
if (df == 2) dfstr = "DD/MM/YYYY";
var textbox = 'datainput.seconddate'
show_calendar(textbox,"","",dfstr)
}