function updateCalendar(time)
{
	var xmlhttp;
	if (window.XMLHttpRequest)
	{
		// code for IE7+, Firefox, Chrome, Opera, Safari
		xmlhttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		alert("Your browser does not support XMLHTTP!");
	}
	xmlhttp.onreadystatechange = function()
	{
		if(xmlhttp.readyState == 4)
		{
			document.getElementById("calendar_box").innerHTML = xmlhttp.responseText;
		}
	}

	if (document.getElementById("ajax-loader"))
	{
		document.getElementById("ajax-loader").className = 'visible';
	}

	var request = "calendar.php";
	if (time > 0)
		request += "?time=" + time;
	xmlhttp.open("GET", request, true);
	xmlhttp.send(null);

	//var x = document.getElementById("calendar");
	//alert(x == null);
}

function init()
{
	updateCalendar();
}

//document.getElementById("calendar_box").innerHTML = "<p><i>Votre navigateur n'est pas compatible avec le système d'agenda.</i></p>";
document.addEventListener("DOMContentLoaded", init, false);