function CountUp(initDate, id, msg){
  this.beginDate = new Date(initDate);
  this.msg = msg;
  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.calculate(id);
}
 
CountUp.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, 1) - dateNow));
}
 
CountUp.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);
}
 
CountUp.prototype.formatTime=function(){
  this.seconds = this.addLeadingZero(this.seconds);
  this.minutes = this.addLeadingZero(this.minutes);
  this.hours = this.addLeadingZero(this.hours);
}
 
CountUp.prototype.addLeadingZero=function(value){
  return value < 10 ? ("0" + value) : value;
}

CountUp.prototype.calculate = function (id) {
    var currDate = new Date();
    var prevDate = this.beginDate;
    this.days = this.datePartDiff(prevDate.getDate(), currDate.getDate(), this.numOfDays[currDate.getMonth()]);
    this.months = this.datePartDiff(prevDate.getMonth(), currDate.getMonth(), 12);
    this.years = this.datePartDiff(prevDate.getFullYear(), currDate.getFullYear(), 0);
    this.seconds = this.datePartDiff(prevDate.getSeconds(), currDate.getSeconds(), 60);
    this.minutes = this.datePartDiff(prevDate.getMinutes(), currDate.getMinutes(), 60);
    this.hours = this.datePartDiff(prevDate.getHours(), currDate.getHours(), 24);
    this.formatTime();
    var countainer = document.getElementById(id);
    var hoursNobita = parseInt(this.hours) + (24 * this.days);
    var type = $("#" + id).parent().parent().find("#Label1").text();
    if (type == "Offline" || type == "False")
        countainer.innerHTML = "--:--:--";
    else
        countainer.innerHTML = hoursNobita + ":" + this.minutes + ":" + this.seconds;
    var self = this;
    setTimeout(function () { self.calculate(id); }, 1000);
}