function calcage(secs, num1, num2, ld) {
	var s = ((Math.floor(secs/num1))%num2).toString();
	if (ld && s.length < 2){
		s = "0" + s;
	}
	//alert(s);
  	return s;
  	
}
function n2image(din){
	var c = din.length;
	var d ='';
	var s = '';
	
	if(din == ":"){
		return "<img src='countdown/div.png' width='16' height='26'>";
	}
	if(din == "d"){
		return "<img src='countdown/dias.png' width='50' height='26'>";
	}
	
	for(i = 0;i<c; i++){
		d = din.charAt(i);
		//alert(din +  "=i=" + d);
		s = s + "<img src='countdown/" + d + ".png' width='16' height='26'>";
	}
	
	//alert(s);
	return s;
}
function countBack(secs) {
	var ctl = document.getElementById("cien_cd");
	if (secs < 0) {
		ctl.style.display = 'none';
		return;
	}
	var s = '';
  
	var dd = calcage(secs,86400,100000, false); //dias
	var dh = calcage(secs,3600,24, false); //horas
	var dm = calcage(secs,60,60, true);
	var ds = calcage(secs,1,60, true);
  
	var html = '';
  
  	
	s =  dd + ", " + dh + ":" + dm + ":" + ds;
	if(dd != '0'){
		html = n2image(dd) + n2image('d');
	}
	
	html = html + n2image(dh);
	html = html + n2image(':') + n2image(dm);
	html = html + n2image(':') + n2image(ds);
	
	ctl.innerHTML = html;
  	setTimeout("countBack(" + (secs+cd_step) + ")", cd_tm);

}

var centenarioDayMsg = '';
var centenarioDay = '9/24/2011 00:00:01 AM';
//var centenarioDay = '6/16/2011 6:31:00 PM';
var cd_step = -1;
var cd_tm = (Math.abs(-1)-1)*1000 + 990;
//putspan(BackColor, ForeColor);
var dthen = new Date(centenarioDay);
var dnow = new Date();

//var ddiff = new Date(dnow-dthen);
var ddiff = new Date(dthen-dnow);

function start_centenario(){
	gsecs = Math.floor(ddiff.valueOf()/1000);
	countBack(gsecs);
}