function ConvertToUnicode(s){
return s.replace(/0/g, '\u06F0').replace(/1/g, '\u06F1').replace(/2/g, '\u06F2').replace(/3/g, '\u06F3').replace(/4/g, '\u06F4').replace(/5/g, '\u06F5').replace(/6/g, '\u06F6').replace(/7/g, '\u06F7').replace(/8/g, '\u06F8').replace(/9/g, '\u06F9');
}
function SetTitle(d){
var month = document.getElementById("month");
var city  = document.getElementById("cities")
document.getElementById("tdTitle").innerHTML = "اوقات شرعی " + ConvertToUnicode(d + " " + month.options[month.selectedIndex].text + " " + document.getElementById("spanYear").innerHTML) + " (به افق " + city.options[city.selectedIndex].text + ")";
}
function Calculate(){
var i = document.getElementById("cities").selectedIndex;
if(i==0){
alert('لطفا مرکز استان را انتخاب کنید');return;}
var m=document.getElementById("month").selectedIndex+1;
var d=eval(document.getElementById("day").value);
var lg=eval(document.getElementById("longitude").value);
var lat=eval(document.getElementById("latitude").value);
main(m, d, lg, lat);
SetTitle(d);
}
function GetAzanMorning(m, d, lg, lat){
//var lg=52.5125;
//var lat=29.635;
var ep=sun(m,d,4,lg);
var zr=ep[0];
delta=ep[1];
ha=loc2hor(108.0,delta,lat);
var t1=Round(zr-ha,24);
ep=sun(m,d,t1,lg);
zr=ep[0];
delta=ep[1];
ha=loc2hor(108.0,delta,lat);
var t1=Round(zr-ha,24);
return hms(t1);
}
function GetSunrise(m, d, lg, lat){var ep=sun(m,d,6,lg);var zr=ep[0];delta=ep[1];ha=loc2hor(90.833,delta,lat);
var t2=Round(zr-ha,24);ep=sun(m,d,t2,lg);zr=ep[0];delta=ep[1];ha=loc2hor(90.833,delta,lat);t2=Round(zr-ha,24);return hms(t2);}
function GetAzanNoon(m, d, lg, lat){
//
//zr=Zohr
//
var ep=sun(m,d,12,lg)
ep=sun(m,d,ep[0],lg)
var zr=ep[0];
return hms(zr);
}
function GetSunset(m, d, lg, lat){
//
//   t2= Sun set
//
var ep=sun(m,d,18,lg)
var zr=ep[0];
delta=ep[1];
ha=loc2hor(90.833,delta,lat);var t3=Round(zr+ha,24);ep=sun(m,d,t3,lg);zr=ep[0];delta=ep[1];ha=loc2hor(90.833,delta,lat)
t3=Round(zr+ha,24)
return hms(t3);
}
function GetAzanNight(m, d, lg, lat){
var ep=sun(m,d,18.5,lg)
var zr=ep[0];
delta=ep[1];
ha=loc2hor(94.3,delta,lat)
var t4=Round(zr+ha,24)
ep=sun(m,d,t4,lg)
zr=ep[0];
delta=ep[1];
ha=loc2hor(94.3,delta,lat)
t4=Round(zr+ha,24)

return hms(t4);
}
function ShowInfo(m, d, lg, lat, morning, sunrise, noon, sunset, night){
var t1 = GetAzanMorning(m, d, lg, lat);
MM_findObj(morning).innerHTML=ConvertToUnicode(t1);
temp = MM_findObj("spanMorning");
if (temp) temp.innerHTML = t1.substring(0,5);

var t2 = GetSunrise(m, d, lg, lat);
MM_findObj(sunrise).innerHTML=ConvertToUnicode(t2);

var zr = GetAzanNoon(m, d, lg, lat);
MM_findObj(noon).innerHTML=ConvertToUnicode(zr);
temp = MM_findObj("spanNoon");
if (temp) temp.innerHTML = zr.substring(0,5);

var t3 = GetSunset(m, d, lg, lat);
MM_findObj(sunset).innerHTML=ConvertToUnicode(t3);

var t4 = GetAzanNight(m, d, lg, lat);
MM_findObj(night).innerHTML=ConvertToUnicode(t4);
temp = MM_findObj("spanNight");
if (temp) temp.innerHTML = t4.substring(0,5);
}
function main(m, d, lg, lat){
ShowInfo(m, d, lg, lat, "t1", "t2", "zr", "t3", "t4");
}
function sun(m,d,h,lg){
if(m<7)
d= 31*(m-1)+d+h/24;
else
d=6+30*(m-1)+d+h/24;
var M=74.2023+0.98560026*d;
var L=-2.75043+0.98564735*d;
var lst=8.3162159+0.065709824*Math.floor(d)+1.00273791*24*(d%1)+lg/15;
var e=0.0167065;
var omega=4.85131-0.052954*d;
var ep=23.4384717+0.00256*cosd(omega);
var ed=180.0/Math.PI*e;
var u=M;
for(var i=1;i<5;i++)
u=u-(u-ed*sind(u)-M)/(1-e*cosd(u));
var v=2*atand(tand(u/2)*Math.sqrt((1+e)/(1-e)));
var theta=L+v-M-0.00569-0.00479*sind(omega);
var delta=asind(sind(ep)*sind(theta));
var alpha=180.0/Math.PI*Math.atan2(cosd(ep)*sind(theta),cosd(theta));
if(alpha>=360)
alpha-=360;
var ha=lst-alpha/15;
var zr=Round(h-ha,24);
return ([zr,delta])
}
function ephemeris_init(){
lgs= [0,49.70,48.30,45.07,51.64,48.68,46.42,57.33,56.29,50.84,59.21,46.28,51.41,48.34,49.59,60.86,48.50,53.06,53.39,47.00,50.86,52.52,50.00,50.88,57.06,47.09,54.44,59.58,48.52,51.59,54.35];
lats=[0,34.09,38.25,37.55,32.68,31.32,33.64,37.47,27.19,28.97,32.86,38.08,35.70,33.46,37.28,29.50,36.68,36.57,35.58,35.31,32.33,29.62,36.28,34.64,30.29,34.34,36.84,36.31,34.80,30.67,31.89];
}
function coord(){
var c=document.getElementById("cities");
var i = c.selectedIndex;
if(i==0){
document.getElementById("longitude").value="";
document.getElementById("latitude").value="";
}else{
document.getElementById("longitude").value=lgs[i].toString();
document.getElementById("latitude").value=lats[i].toString();
}
}
function sind(x){return(Math.sin(Math.PI/180.0*x));}
function cosd(x){return(Math.cos(Math.PI/180.0*x));}
function tand(x){return(Math.tan(Math.PI/180.0*x));}
function atand(x){return(Math.atan(x)*180.0/Math.PI);}
function asind(x){return(Math.asin(x)*180.0/Math.PI);}
function acosd(x){return(Math.acos(x)*180.0/Math.PI);}
function sqrt(x){return(Math.sqrt(x));}
function frac(x){return(x%1);}
function floor(x){return(Math.floor(x));}
function ceil(x){return(Math.ceil(x));}
function loc2hor(z,d,p){
return(acosd((cosd(z)-sind(d)*sind(p))/cosd(d)/cosd(p))/15);
}
function Round(x,a){
var tmp=x%a;
if(tmp<0)
tmp+=a;
return(tmp)
}
function hms(x){
x=Math.floor(3600*x);
h=Math.floor(x/3600);
mp=x-3600*h;
m=Math.floor(mp/60);
s=Math.floor(mp-60*m);
h = h+1;
return(((h<10)? "0" : "")+h.toString()+":"+((m<10)? "0" : "")+m.toString()+":"+((s<10)? "0" : "")+s.toString())
}
var alarmTime = new Array(3);
var curTime;
function IfZero(num) {
return ((num <= 9) ? ("0" + num) : num);
}
function GetTime() {
var dt = new Date();
setTimeout("GetTime()", 1000);
curTime = (IfZero(dt.getHours()) + ":" + IfZero(dt.getMinutes()));
}
function AlarmSet() {
alarmTime[0] = MM_findObj("spanMorning").innerHTML;
alarmTime[1] = MM_findObj("spanNoon").innerHTML;
alarmTime[2] = MM_findObj("spanNight").innerHTML;
}
function ShowAzanWindow(){
azanWindow = MM_findObj("divAzan");
if (azanWindow){
azanWindow.style.left = document.body.scrollLeft+ (screen.width-400)/2;
azanWindow.style.top  = document.body.scrollTop + (screen.height-500)/2;
azanWindow.style.display = "block";

var AzanType = "اذان صبح";
var AzanImage = "morning";
if (alarmTime[1] == curTime){ 
AzanType = "اذان ظهر";
AzanImage = "noon";
 }else {
if (alarmTime[2] == curTime){ 
AzanType = "اذان مغرب"; 
AzanImage = "night";
}
}
MM_findObj("spanAzanType").innerHTML = AzanType;
MM_findObj("imgAzan").src = "image/azan-" + AzanImage + ".jpg";
opaque = MM_findObj("divOpaque");if (opaque){opaque.style.display = "block";opaque.style.width  = document.body.scrollWidth;opaque.style.height = document.body.scrollHeight;opaque.style.filter = "alpha(opacity=60)";}}}
function HideAzanWindow(){
azanWindow = MM_findObj("divAzan");
if (azanWindow){
azanWindow.style.display = "none";
}
opaque = MM_findObj("divOpaque");
if (opaque){
opaque.style.display = "none";
}
}
function AlarmOn() {
// alert(curTime + "\n" + alarmTime[0]+" - "+ alarmTime[1] + " - " + alarmTime[2]);
if ((alarmTime[0] == curTime) | (alarmTime[1] == curTime) | (alarmTime[2] == curTime)){
loadflash('flashazan', 'flashazan', './azan/' + MM_findObj("spanMuezzin").innerHTML, '60', '20');
setTimeout("AlarmOn()", 600000);
ShowAzanWindow();}else {setTimeout("AlarmOn()", 1000)}
}
function AlarmOff() {MM_findObj("flashazan").innerHTML = "";alarmTime[0]="";alarmTime[1]="";alarmTime[2]="";
}