function calendrier_ajax(mois,annee)
{
	var xhr;

	try
	{
		xhr = new ActiveXObject('Msxml2.XMLHTTP');
	}

	catch (e)
	{
		try
		{
			xhr = new ActiveXObject('Microsoft.XMLHTTP');
		}

		catch (e2)
		{
			try
			{
				xhr = new XMLHttpRequest();
			}

			catch (e3)
			{
				xhr = false;
			}
		}
	}

	xhr.onreadystatechange = function()
	{
		if(xhr.readyState == 4)
		{
			if(xhr.status == 200)
				document.getElementById('box_calendrier').innerHTML=xhr.responseText;
			else
				document.ajax.dyn="Erreur de codage " + xhr.status;
		}
	};

	xhr.open("GET", "modeles/defaut/calendrier_accueil.php?mois="+mois+"&annee="+annee,  true);
	// var data = "mois=" + mois +  "&annnee=" + annee;
	xhr.send(null);
}