function setFav(photo)
{	
	var http_request = false;

	if (window.XMLHttpRequest)
	{
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType)
		{
			http_request.overrideMimeType('text/xml');
		}
	}
	else if (window.ActiveXObject)
	{
		try {http_request = new ActiveXObject("Msxml2.XMLHTTP");}
		catch (e) {try {http_request = new ActiveXObject("Microsoft.XMLHTTP");} catch (e) {}}
	}

        if (!http_request)
	{
		alert("Abandon : impossible de cr\351er une instance XMLHTTP");
		return false;
	}

	var url = 'https://www.pss-archi.eu/xmlhttp/setfavphoto.php?id='+photo;
	http_request.onreadystatechange = function() {favDisp(http_request,photo);};
	http_request.open('GET', url, true);
	http_request.send(null);	
}

function favDisp(http_request,photo)
{
	if (http_request.readyState == 4)
	{
		if (http_request.status == 200)
		{
			if (http_request.responseText != "" && http_request.responseText != null)
			{
				var infos = new Array();
				infos = http_request.responseText.split('|');

				var img = document.getElementById("fav_img"+photo);

				if (infos[0] == 1)
				{
					document.getElementById("addfavlink"+photo).style.display = "none";
					img.src = img.src.substring(0,img.src.lastIndexOf("/")+1)+"fav2.gif";
					jQuery("#favnum"+photo).removeClass("nbfav_gris").addClass("nbfav");
				}
				else
				{
					if (infos[1] == 0) document.getElementById("addfavlink"+photo).style.display = "";
					img.src = img.src.substring(0,img.src.lastIndexOf("/")+1)+"fav1.gif";
					jQuery("#favnum"+photo).removeClass("nbfav").addClass("nbfav_gris");
				}

				var favnum = document.getElementById("favnum"+photo);

				if (infos[1] > 0)
				{
					favnum.innerHTML = infos[1];
				}
				else
				{
					favnum.innerHTML = "";
				}
			}
		}
	}
}