function countdown(){
	Maintenant = new Date;
	TempMaintenant = Maintenant.getTime();
	Future = new Date(2009, 2, 31);
	TempFuture = Future.getTime();
	DiffSec = Math.floor((TempFuture-TempMaintenant)/1000);
	DiffMin = Math.floor(DiffSec/60);
	Diffheure = Math.floor(DiffMin/60);
	DiffJour = Math.floor(Diffheure/24);
	while (DiffMin>=60)
			{
			DiffMin = DiffMin-60;
			}
	while (Diffheure>=24)
			{
			Diffheure = Diffheure-24;
			}
	while (DiffSec>=60)
			{
			DiffSec = DiffSec-60;
			}
	if (DiffJour>=0 & Diffheure>=0 & DiffMin>=0 & DiffSec>=0 ){		
	document.getElementById("countdown").innerHTML = '<br />Remaining time before the convention : <br />' + DiffJour + ' Day(s) ' + Diffheure + ' Hour(s) ' + DiffMin + ' Minute(s)';	
	setTimeout("countdown()",1000);
	}else{
		document.getElementById("countdown").innerHTML = 'Chine Europa<br />started';
	}
}