function reloader(id,page,time){
time = time*1000;
ajaxCall = new Ajax.PeriodicalUpdater(
				id,
				page,{
					method: 'get',
					onFailure: function(){ alert("Une erreur est survenue lors de l appel AJAX.") },
					frequency: 3,
					onComplete: function(){setTimeout('stop('+time+')',time)}
				}
			);
}
	
function stop(t){
if(t!=0){ajaxCall.stop();}
}