function countdown(obj)
{
	this.obj		    = obj;
	this.Div		    = "clock";
	this.BackColor		= "white";
	this.ForeColor		= "black";
	this.StartDate      = ""; /* Enables me to take timezone into account. */
	this.TargetDate		= "09/20/2010 9:00 PM";
	this.DisplayFormat	= "%%D%% days, %%H%% hours, %%M%% minutes and %%S%% seconds left.";
	this.FinishMessage  = "";
	this.CountActive	= true;
	
	this.DisplayStr;

	this.Calcage		= cd_Calcage;
	this.CountBack		= cd_CountBack;
	this.Setup		    = cd_Setup;
}

function cd_Calcage(secs, num1, num2)
{
  s = ((Math.floor(secs/num1))%num2).toString();
  if (s.length < 2) s = "0" + s;
  return (s);
}

function cd_CountBack(secs)
{
  document.getElementById(this.Div).innerHTML = this.DisplayStr;
  if (this.CountActive) setTimeout(this.obj +".CountBack(" + (secs-1) + ")", 990);
  
  if (secs < 0) {
    this.DisplayStr = this.FinishMessage;
  } else {
    this.DisplayStr = this.DisplayFormat.replace(/%%D%%/g, this.Calcage(secs,86400,100000));
    this.DisplayStr = this.DisplayStr.replace(/%%H%%/g,	   this.Calcage(secs,3600,24));
    this.DisplayStr = this.DisplayStr.replace(/%%M%%/g,	   this.Calcage(secs,60,60));
    this.DisplayStr = this.DisplayStr.replace(/%%S%%/g,	   this.Calcage(secs,1,60));
  }
}

function cd_Setup()
{
	var dthen	= new Date(this.TargetDate);
  	var dnow	= new Date(this.StartDate);
	ddiff		= new Date(dthen-dnow);
	gsecs		= Math.floor(ddiff.valueOf()/1000);
	this.CountBack(gsecs);
}