var montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
var tms = '';
var tdd = '';
var thh = '';
var tmm = '';
var tss = '';
function setcountdown(theyear,themonth,theday) 
{
	yr=theyear;mo=themonth;da=theday;
	start_countdown();
}
function countdown()
{
	var today=new Date()
	var todayy=today.getYear()
	if (todayy < 1000)
		todayy+=1900
	var todaym=today.getMonth()
	var todayd=today.getDate()
	var todayh=today.getHours()
	var todaymin=today.getMinutes()
	var todaysec=today.getSeconds()
	var todaystring=montharray[todaym]+" "+todayd+", "+todayy+" "+todayh+":"+todaymin+":"+todaysec
	futurestring=montharray[mo-1]+" "+da+", "+yr+" 0:00:00";
	dd=Date.parse(futurestring)-Date.parse(todaystring)
	dday=Math.floor(dd/(60*60*1000*24)*1)
	dmes = Math.floor(dday/30);
	//dday = dday - ((dmes*30)-1);
	dhour=Math.floor((dd%(60*60*1000*24))/(60*60*1000)*1)
	dmin=Math.floor(((dd%(60*60*1000*24))%(60*60*1000))/(60*1000)*1)
	dsec=Math.floor((((dd%(60*60*1000*24))%(60*60*1000))%(60*1000))/1000*1)

	if(dday<=0&&dhour<=0&&dmin<=0&&dsec<=1&&todayd==da)	//en el dia
	{
//		tms.innerHTML = "0";
		tdd.innerHTML = "0";
		thh.innerHTML = "0";
		tmm.innerHTML = "0";
		tss.innerHTML = "0";
		return
	}
	else if (dday<=-1)	// pasado
	{

//		tms.innerHTML = "0";
		tdd.innerHTML = "0";
		thh.innerHTML = "0";
		tmm.innerHTML = "0";
		tss.innerHTML = "0";
		return
	}
	else 	// futuro
	{
//		tms.innerHTML = dmes;
		tdd.innerHTML = dday;
		thh.innerHTML = dhour;
		tmm.innerHTML = dmin;
		tss.innerHTML = dsec;
	}
	setTimeout("countdown()",1000)
}
function start_countdown()
{
    tms = document.getElementById("tms");
    tdd = document.getElementById("tdd");
	thh = document.getElementById("thh");
	tmm = document.getElementById("tmm");
	tss = document.getElementById("tss");
	countdown()
}