OK so I have a timer and it counts up and down fine, but it resets everytimes the page refreshes, I need it not to refresh every time can you help.
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>JavaScript CountUp/CountDown Timer - Praveen Lobo</title>
<script type="text/javascript">
/**********************************************************************************************
* CountUp/CountDown Timer script by Praveen Lobo
* (http://PraveenLobo.com/techblog/javascript-countup-countdown-timer/)
* This notice MUST stay intact(in both JS file and SCRIPT tag) for legal use.
* http://praveenlobo.com/blog/disclaimer/
**********************************************************************************************/
function Counter(initDate, id){
this.counterDate = new Date(initDate);
this.countainer = document.getElementById(id);
this.numOfDays = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
this.borrowed = 0, this.years = 0, this.months = 0, this.days = 0;
this.hours = 0, this.minutes = 0, this.seconds = 0;
this.updateNumOfDays();
this.updateCounter();
}
Counter.prototype.updateNumOfDays=function(){
var dateNow = new Date();
var currYear = dateNow.getFullYear();
if ( (currYear % 4 == 0 && currYear % 100 != 0 ) || currYear % 400 == 0 ) {
this.numOfDays[1] = 29;
}
var self = this;
setTimeout(function(){self.updateNumOfDays();}, (new Date((currYear+1), 1, 2) - dateNow));
}
Counter.prototype.datePartDiff=function(then, now, MAX){
var diff = now - then - this.borrowed;
this.borrowed = 0;
if ( diff > -1 ) return diff;
this.borrowed = 1;
return (MAX + diff);
}
Counter.prototype.calculate=function(){
var futureDate = this.counterDate > new Date()? this.counterDate : new Date();
var pastDate = this.counterDate == futureDate? new Date() : this.counterDate;
this.seconds = this.datePartDiff(pastDate.getSeconds(), futureDate.getSeconds(), 60);
this.minutes = this.datePartDiff(pastDate.getMinutes(), futureDate.getMinutes(), 60);
this.hours = this.datePartDiff(pastDate.getHours(), futureDate.getHours(), 24);
this.days = this.datePartDiff(pastDate.getDate(), futureDate.getDate(), this.numOfDays[futureDate.getMonth()]);
this.months = this.datePartDiff(pastDate.getMonth(), futureDate.getMonth(), 12);
this.years = this.datePartDiff(pastDate.getFullYear(), futureDate.getFullYear(), 0);
}
Counter.prototype.addLeadingZero=function(value){
return value < 10 ? ("0" + value) : value;
}
Counter.prototype.formatTime=function(){
this.seconds = this.addLeadingZero(this.seconds);
this.minutes = this.addLeadingZero(this.minutes);
this.hours = this.addLeadingZero(this.hours);
}
Counter.prototype.updateCounter=function(){
this.calculate();
this.formatTime();
this.countainer.innerHTML ="<strong>" + this.years + "</strong> " + (this.years == 1? "year" : "years") +
" <strong>" + this.months + "</strong> " + (this.months == 1? "month" : "months") +
" <strong>" + this.days + "</strong> " + (this.days == 1? "day" : "days") +
" <strong>" + this.hours + "</strong> " + (this.hours == 1? "hour" : "hours") +
" <strong>" + this.minutes + "</strong> " + (this.minutes == 1? "minute" : "minutes") +
" <strong>" + this.seconds + "</strong> " + (this.seconds == 1? "second" : "seconds");
var self = this;
setTimeout(function(){self.updateCounter();}, 1000);
}
window.onload=function(){ new Counter(((new Date()).getTime()+10000), 'counter'); }
</script>
</head>
<body>
<div id="counter">Contents of this DIV will be replaced by the timer</div>
</body>
</html>
Before you post, read our: 
help with count up/down timer
