function reafficher_calendrier(){
	var annee=document.getElementById("mod_calendrier_select_annee").value;
	var mois=document.getElementById("mod_calendrier_select_mois").value;
	var xhr;
	if(window.XMLHttpRequest || window.ActiveXObject) {
		if(window.XMLHttpRequest) {
			xhr = new XMLHttpRequest();
		} 
		else {
			try {
				xhr = new ActiveXObject("Msxml2.XMLHTTP");
			} catch(e) {
				xhr = new ActiveXObject("Microsoft.XMLHTTP");
			}
		}
	}
	else {
		alert("Change de navigateur !");
		return;
	}
	
	xhr.onreadystatechange = function() {
		if(xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
			document.getElementById('mod_calendrier_calendrier').innerHTML=xhr.responseText;
		}
	}
	
	xhr.open("POST", 'modules/calendrier/reecrit_calendrier.php');
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xhr.send("annee="+annee+"&mois="+mois);
}