var clockID = 0;
var timezone = 0;
var offset = "";
var tzoffset = "";
var entries = 65;
var criteria = "";

var zone = new MakeArray(entries);

function MakeArray(n) {
for (var i = 1; i <= n; i++) { this[i] = 0; }
this.maxlen = n; this.len = 0; return this;
}

function addZone(zonename, timediff) {
this.name = zonename; this.time = timediff;
}

function Add(name, time) {
zone.len++; zone[zone.len] = new addZone(name, time);
}

/////////////////////////////////////////////////////////////////////////////
// Add Details for each timezone.
// ie. Add("Timezone Name", "Time Difference");
/*
Add("Alaska", "-9.00");
Add("Arizona - US Mountain", "-7.00");
Add("Azores", "-1.00");
Add("Amsterdam - Romance", "+1.00");
Add("Athens - GFT ", "+2.00");
Add("Abu Dhabi - Arabian", "+4.00");
Add("Afghanistan - Kabul", "+4.50");
Add("Almaty - Central Asia", "+6.00");
Add("Adelaide - Cen. Australia", "+9.50");
Add("Auckland", "+12.00");
Add("Bogota - SA Pacific", "-5.00");
Add("Brasilia - E. South America", "-3.00");
Add("Buenos Aires - SA Eastern", "-3.00");
Add("Belgrade - Central European", "+1.00");
Add("Bratislava - Central Europe", "+1.00");
Add("Budapest - Central Europe", "+1.00");
Add("Brussels - W. Europe", "+1.00");
Add("Berlin - W. Europe", "+1.00");
Add("Bern - W. Europe", "+1.00");
Add("Bucharest - E. Europe", "+2.00");
Add("Baghdad - Saudi Arabia", "+3.00");
Add("Baku - Caucasus", "+4.00");
Add("Bangkok", "+7.00");
Add("Brisbane - E. Australia", "+10.00");
Add("Beijing - China", "+8.00");
Add("Canada - Pacific Time", "-8.00");
Add("Canada - Mountain Time", "-7.00");
Add("Canada - Central Time", "-6.00");
Add("Canada - Eastern Time", "-5.00");
Add("Canada - Atlantic Time", "-4.00");
Add("Caracas - SA Western", "-4.00");
Add("Cape Verde Is.", "-1.00");
Add("Casablanca", "+0.00");
Add("Copenhagen - Romance", "+1.00");
Add("Cairo", "+2.00");
Add("Calcutta - India", "+5.50");
Add("Chongqing - China", "+8.00");
Add("Canberra", "+10.00");
Add("Dublin", "+0.00");
Add("Dhaka - Central Asia", "+6.00");
Add("Darwin - AUS Central", "+9.50");
Add("Eniwetok - Dateline", "-12.00");
Add("Edinburgh", "+0.00");
Add("Egypt", "+2.00");
Add("Ekaterinburg", "+5.00");
Add("Fiji", "+12.00");
Add("Georgetown - SA Eastern", "-3.00");
Add("Guam - West Pacific", "+10.00");
Add("Hanoi", "+7.00");
Add("Hong Kong - China", "+8.00");
Add("Hawaii", "-10.00");
Add("Harare - South Africa", "+2.00");
Add("Helsinki - FLE", "+2.00");
Add("India - Bombay", "+5.50");
Add("India - Chennai", "+5.50");
Add("India - Delhi", "+5.50");
Add("India - Kolkatta", "+5.50");
Add("Israel", "+2.00");
Add("Islamabad - West Asia", "+5.00");
Add("Iran", "+3.50");
Add("Istanbul - GFT ", "+2.00");
Add("Indiana (East) - US Eastern", "-5.00");
Add("Jakarta", "+7.00");
Add("Kwajalein - Dateline", "-12.00");
Add("Karachi - West Asia", "+5.00");
Add("Korea - Seoul", "+9.00");
Add("Kamchatka", "+12.00");
Add("Kuwait - Saudi Arabia", "+3.00");
Add("Lima - SA Pacific", "-5.00");
Add("La Paz - SA Western", "-4.00");
Add("Lisbon", "+0.00");
Add("London", "+0.00");
Add("Ljubljana - Central Europe", "+1.00");
Add("Mexico City", "-6.00");
Add("Mid-Atlantic", "-2.00");
Add("Marshall Is.", "+12.00");
Add("Melbourne", "+10.00");
Add("Magadan - Central Pacific", "+11.00");
Add("Monrovia", "+0.00");
Add("Madrid - Romance", "+1.00");
Add("Minsk - GFT ", "+2.00");
Add("Moscow - Russian", "+3.00");
Add("Muscat - Arabian", "+4.00");
Add("Madras - India", "+5.50");
Add("Newfoundland", "-3.50");
Add("Nairobi - E. Africa", "+3.00");
Add("New Delhi - India", "+5.50");
Add("New Caledonia", "+11.00");
Add("New Zealand ", "+12.00");
Add("Paris - Romance", "+1.00");
Add("Prague - Central Europe", "+1.00");
Add("Pretoria - South Africa", "+2.00");
Add("Perth - W. Australia", "+8.00");
Add("Port Moresby - West Pacific", "+10.00");
Add("Quito - SA Pacific", "-5.00");
Add("Rome - W. Europe", "+1.00");
Add("Riga - FLE", "+2.00");
Add("Riyadh - Saudi Arabia", "+3.00");
Add("Samoa - Midway Island", "-11.00");
Add("Saskatchewan - Canada Central ", "-6.00");
Add("Sarajevo - Central European", "+1.00");
Add("Skopje - Central European", "+1.00");
Add("Sofija - Central European", "+1.00");
Add("Stockholm - W. Europe", "+1.00");
Add("St. Petersburg - Russian", "+3.00");
Add("Sri Lanka - Colombo", "+6.00");
Add("Singapore", "+8.00");
Add("Sydney", "+10.00");
Add("Solomon Is. - Central Pacific", "+11.00");
Add("Tallinn - FLE", "+2.00");
Add("Tehran", "+3.50");
Add("Tbilisi - Caucasus", "+4.00");
Add("Tashkent - West Asia", "+5.00");
Add("Taipei", "+8.00");
Add("Tokyo - Osaka, Sapporo", "+9.00");
Add("Tasmania - Hobart", "+10.00");
Add("Tijuana", "-8.00");
Add("Tegucigalpa", "-6.00");
Add("US - Pacific Time", "-8.00");
Add("US - Mountain Time", "-7.00");
Add("US - Central Time", "-6.00");
Add("US - Eastern Time", "-5.00");
Add("Urumqi - China", "+8.00");
Add("Vladivostok", "+10.00");
Add("Volgograd - Russian", "+3.00");
Add("Vienna - W. Europe", "+1.00");
Add("Vilnius - Romance", "+1.00");
Add("Wellington", "+12.00");
Add("Warsaw - Central Europe", "+1.00"); 
Add("Yakutsk", "+9.00");
Add("Zagreb - Central European", "+1.00");
*/

Add('Eniwetok - Dateline', '-12.00');
Add('Kwajalein - Dateline', '-12.00');
Add('Samoa - Midway Island', '-11.00');
Add('Hawaii', '-10.00');
Add('Alaska', '-09.00');
Add('Canada - Pacific Time', '-08.00');
Add('Tijuana', '-08.00');
Add('US - Pacific Time', '-08.00');
Add('Arizona - US Mountain', '-07.00');
Add('Canada - Mountain Time', '-07.00');
Add('US - Mountain Time', '-07.00');
Add('Canada - Central Time', '-06.00');
Add('Mexico City', '-06.00');
Add('Saskatchewan - Canada Central ', '-06.00');
Add('Tegucigalpa', '-06.00');
Add('US - Central Time', '-06.00');
Add('Bogota - SA Pacific', '-05.00');
Add('Canada - Eastern Time', '-05.00');
Add('Indiana (East) - US Eastern', '-05.00');
Add('Lima - SA Pacific', '-05.00');
Add('Quito - SA Pacific', '-05.00');
Add('US - Eastern Time', '-05.00');
Add('Canada - Atlantic Time', '-04.00');
Add('Caracas - SA Western', '-04.00');
Add('La Paz - SA Western', '-04.00');
Add('Newfoundland', '-03.50');
Add('Brasilia - E. South America', '-03.00');
Add('Buenos Aires - SA Eastern', '-03.00');
Add('Georgetown - SA Eastern', '-03.00');
Add('Mid-Atlantic', '-02.00');
Add('Azores', '-01.00');
Add('Cape Verde Is.', '-01.00');
Add('Casablanca', '+00.00');
Add('Dublin', '+00.00');
Add('Edinburgh', '+00.00');
Add('Lisbon', '+00.00');
Add('London', '+00.00');
Add('Monrovia', '+00.00');
Add('Amsterdam - Romance', '+01.00');
Add('Belgrade - Central European', '+01.00');
Add('Bratislava - Central Europe', '+01.00');
Add('Budapest - Central Europe', '+01.00');
Add('Brussels - W. Europe', '+01.00');
Add('Berlin - W. Europe', '+01.00');
Add('Bern - W. Europe', '+01.00');
Add('Copenhagen - Romance', '+01.00');
Add('Ljubljana - Central Europe', '+01.00');
Add('Madrid - Romance', '+01.00');
Add('Paris - Romance', '+01.00');
Add('Prague - Central Europe', '+01.00');
Add('Rome - W. Europe', '+01.00');
Add('Sarajevo - Central European', '+01.00');
Add('Skopje - Central European', '+01.00');
Add('Sofija - Central European', '+01.00');
Add('Stockholm - W. Europe', '+01.00');
Add('Vienna - W. Europe', '+01.00');
Add('Vilnius - Romance', '+01.00');
Add('Warsaw - Central Europe', '+01.00');
Add('Zagreb - Central European', '+01.00');
Add('Athens - GFT ', '+02.00');
Add('Bucharest - E. Europe', '+02.00');
Add('Cairo', '+02.00');
Add('Egypt', '+02.00');
Add('Harare - South Africa', '+02.00');
Add('Helsinki - FLE', '+02.00');
Add('Israel', '+02.00');
Add('Istanbul - GFT ', '+02.00');
Add('Minsk - GFT ', '+02.00');
Add('Pretoria - South Africa', '+02.00');
Add('Riga - FLE', '+02.00');
Add('Tallinn - FLE', '+02.00');
Add('Baghdad - Saudi Arabia', '+03.00');
Add('Kuwait - Saudi Arabia', '+03.00');
Add('Moscow - Russian', '+03.00');
Add('Nairobi - E. Africa', '+03.00');
Add('Riyadh - Saudi Arabia', '+03.00');
Add('St. Petersburg - Russian', '+03.00');
Add('Volgograd - Russian', '+03.00');
Add('Iran', '+03.50');
Add('Tehran', '+03.50');
Add('Abu Dhabi - Arabian', '+04.00');
Add('Baku - Caucasus', '+04.00');
Add('Muscat - Arabian', '+04.00');
Add('Tbilisi - Caucasus', '+04.00');
Add('Afghanistan - Kabul', '+04.50');
Add('Ekaterinburg', '+05.00');
Add('Islamabad - West Asia', '+05.00');
Add('Karachi - West Asia', '+05.00');
Add('Tashkent - West Asia', '+05.00');
Add('Calcutta - India', '+05.50');
Add('India - Bombay', '+05.50');
Add('India - Chennai', '+05.50');
Add('India - Delhi', '+05.50');
Add('India - Kolkatta', '+05.50');
Add('Madras - India', '+05.50');
Add('New Delhi - India', '+05.50');
Add('Almaty - Central Asia', '+06.00');
Add('Dhaka - Central Asia', '+06.00');
Add('Sri Lanka - Colombo', '+06.00');
Add('Bangkok', '+07.00');
Add('Hanoi', '+07.00');
Add('Jakarta', '+07.00');
Add('Beijing - China', '+08.00');
Add('Chongqing - China', '+08.00');
Add('Hong Kong - China', '+08.00');
Add('Perth - W. Australia', '+08.00');
Add('Singapore', '+08.00');
Add('Taipei', '+08.00');
Add('Urumqi - China', '+08.00');
Add('Korea - Seoul', '+09.00');
Add('Tokyo - Osaka, Sapporo', '+09.00');
Add('Yakutsk', '+09.00');
Add('Adelaide - Cen. Australia', '+09.50');
Add('Darwin - AUS Central', '+09.50');
Add('Brisbane - E. Australia', '+10.00');
Add('Canberra', '+10.00');
Add('Guam - West Pacific', '+10.00');
Add('Melbourne', '+10.00');
Add('Port Moresby - West Pacific', '+10.00');
Add('Sydney', '+10.00');
Add('Tasmania - Hobart', '+10.00');
Add('Vladivostok', '+10.00');
Add('Magadan - Central Pacific', '+11.00');
Add('New Caledonia', '+11.00');
Add('Solomon Is. - Central Pacific', '+11.00');
Add('Fiji', '+12.00');
Add('Kamchatka', '+12.00');
Add('Marshall Is.', '+12.00');
Add('New Zealand ', '+12.00');
Add('Wellington', '+12.00');
Add('Auckland', '+12.00');

// End of timezone entries.
/////////////////////////////////////////////////////////////////////////////

function searchTimeZone() {
var doc = document.forms['frmSignUp'];
doc.timezone.selectedIndex = 0;
document.getElementById('date').innerHTML = " - ";
document.getElementById('time').innerHTML = " - ";
KillClock();
criteria = prompt("Enter the time zone you are looking for?", criteria);
if (criteria) criteria = criteria.toLowerCase();
zonefound = 0;
for (i=1; i<=zone.len; i++) {
zonefind = zone[i].name.toLowerCase();
if (zonefind.indexOf(criteria) >= 0 && (!zonefound) && (criteria)) {
doc.timezone.selectedIndex = i;
timezone = parseFloat(zone[i].time);
StartClock();
zonefound++;
}
}
if (!zonefound && (criteria)) {
alert("Unable to find the specified time zone.");
setTimeout("searchTimeZone()", 200);
}
}

function changeTimeZone(tz) {
var doc = document.forms['frmSignUp'];
var newzone = doc.timezone.options[doc.timezone.selectedIndex].text

offset = zone[doc.timezone.selectedIndex].time.split(".");
hoffset = offset[0];
moffset = (parseInt(offset[1])) ? "30" : "00";
tzoffset = hoffset + ":" + moffset 
document.getElementById('gmt').value=tzoffset;

KillClock();
if (!doc.timezone.selectedIndex) {
KillClock();
document.getElementById('date').innerHTML = " - ";
document.getElementById('time').innerHTML = " - ";
}else{
newzone = zone[doc.timezone.selectedIndex].name;
timezone = parseFloat(tz);
StartClock();
}
}

function UpdateClock() {
if(clockID) {
clearTimeout(clockID);
clockID  = 0;
}
var tDate = new Date();
tDate.setTime(tDate.getTime() + (timezone * 3600000)); tDate.toGMTString();
newtime = tDate.toGMTString(); newtime = newtime.substring(0,25);
ndate = newtime.substring(0,16); ntime = newtime.substring(17,19);
otime = newtime.substring(19); ohour = parseInt(ntime.substring(0,2));
ampm = (parseInt(ohour) < 12) ? " AM" : " PM";
nhour = (parseInt(ntime) >= 13) ? "" + (parseInt(ntime) - 12) + "" : ntime;
if(ntime == "00" || ntime == "0") { nhour = "12"; }
if (nhour.substring(0,1) == "0") nhour = nhour.substring(1,2);
if (nhour.length == 1) nhour = " " + nhour;
ntime = nhour + otime + ampm;
//   document.clock.date.value = ndate;
// document.clock.time.value = ntime;
document.getElementById('time').innerHTML = ntime;
document.getElementById('date').innerHTML = ndate;
clockID = setTimeout("UpdateClock()", 1000);
}

function StartClock() {
clockID = setTimeout("UpdateClock()", 200);
}

function KillClock() {
if(clockID) {
//document.clock.date.value = "";
//document.clock.time.value = "";
document.getElementById('date').innerHTML = " - ";
document.getElementById('time').innerHTML = " - ";
clearTimeout(clockID);
clockID  = 0;
}
}

function howToUse() {
var installmsg = '<font face="MS Sans Serif,Arial,Helvetica" size=-1>It\'s simple to install this world clock onto your ';
installmsg += 'web page, just copy and paste the following lines to anywhere on your page;</font><p>\n\n';
installmsg += '<tt><font face="MS Sans Serif,Arial,Helvetica" size=-2 color=blue>&lt;script language="JavaScript" src=""&gt;\n';
installmsg += '<br>&lt;/script&gt;</font></tt><p>\n\n';
instructions = document.open('', 'instructions', 'width=500,height=100,scrollbars=no,menubar=no');
instructions.document.write('<body onLoad="self.focus()">\n');
instructions.document.write(installmsg);
instructions.document.close();
}

document.write('<table border=0 cellpadding=0 cellspacing=0><caption><b>');
document.write('<form name="clock">');
document.write('</td></tr>');
document.write('<select name=timezone class="textE" onChange="changeTimeZone(this.options[this.selectedIndex].value)">');
document.write('<option value=0>---Select your Timezone---</option>');
// document.write('<option value=0>Search for a specific time zone</option>');
for (i=1; i<=zone.len; i++) {
offset = zone[i].time.split(".");
hoffset = offset[0];
moffset = (parseInt(offset[1])) ? "30" : "00";
tzoffset = hoffset + ":" + moffset;

document.write('<option value="' + zone[i].time + '">' + zone[i].name);
if (parseInt(zone[i].time)) document.write(" GMT(" + tzoffset + ")");
document.write('</option>\n');

}
document.write('</select></td></tr>\n');
document.write('<tr><td><table><tr><td><div class="calculate">Current Time: &nbsp;</div></td>');
document.write('<td><span name="time" class="red" id="time"> - </span></td></tr>\n');
document.write('<tr><td><div class="calculate">Current Date: &nbsp;</div></td>');
document.write('<td><span name="date" class="red" id="date"> - </span></td></tr></table></td></tr>');
document.write('<tr><td colspan=5><center><font face="MS Sans Serif,Arial,Helvetica" size=-2>');
document.write('</font></center></td></tr>');
document.write('</table>\n\n');