function loadImg(id){
	var xhr_object = null;	
	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non supporté par le navigateur
	      alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
	      exit(0);
	}
   xhr_object.open("POST", "loadImg.php", true);
	var divPhoto =document.getElementById("photo");
	var img=document.getElementById("img");
	var divLoad=document.getElementById("load");
	xhr_object.onreadystatechange = function() {
		if(xhr_object.readyState == 4){				
			divPhoto.style.opacity="1";
		 	//divPhoto.innerHTML=xhr_object.responseText;
			var doc = eval('(' + xhr_object.responseText + ')'); 
			
			img.src="./images/photos/"+doc.url;
			divLoad.innerHTML="<span class=\"comment\">"+doc.comment+"</span>";			
		}
		if(xhr_object.readyState==1){			
			divPhoto.style.opacity="0.3";			
			divLoad.innerHTML="<img src=\"./images/load.gif\" />";
		}
   	}
   xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   var data = "id="+id;
   
   xhr_object.send(data);

}