function returnEltById(id) { 
  if (document.getElementById) 
  { 
    return document.getElementById(id); 
  } 
  else if (document.all) 
  { 
    return document.all[id]; 
  } 
  else if (document.layers) 
  { 
    return document.layers[id]; 
  } 
  else 
  { 
    return false; 
  } 
} 

var fxLivreDor = function (){ 
            
            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...");
          	  return;
          	}
          	
          	var php = "scripts/returnRandomMessLivreDor.php";
          	var data = null;
            var divBrevesLivre = returnEltById("messLivreDor");
            
          	xhr_object.open("POST", php, true);
          	
          	xhr_object.onreadystatechange = function() {
          		if(xhr_object.readyState == 1)
          	  	{
          		 	  divBrevesLivre.innerHTML = "<p style='text-align:center; color:#9A0000;'><img src='images/circleLoading.gif' alt='Chargement en cours...' title='Chargement en cours...' /><br />Chargement en cours...</p>";
          	  	}
          		else if(xhr_object.readyState == 4)
          	  	{          			  
                  //alert(xhr_object.responseText);
          		 	  divBrevesLivre.innerHTML = xhr_object.responseText;
          	  	}
          	}
          	
          	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
          	//data = "photo="+filename+"&tailleX="+sizeX;
          	xhr_object.send(data);
}

var periodical;

fxLivreDor();

periodical = fxLivreDor.periodical(10 * 1000);