function citations(idrubrique, idsecteur) {
	var req = null;

	if(window.XMLHttpRequest)
		req = new XMLHttpRequest();
	else if(window.ActiveXObject)
		req = new ActiveXObject(Microsoft.XMLHTTP);
	
	document.getElementById("citations-actualiser").className="hidden";
	document.getElementById("citations-chargement").className="visible";

  req.onreadystatechange = function() { 
    if(req.readyState == 4 && req.status == 200) {
      var docXML = req.responseXML;
      var items = docXML.getElementsByTagName('citation');

      for (i=0 ; i<items.length ; i++) {
			 var obj = document.getElementById("citations-texte");
			 obj.innerHTML = items[i].getElementsByTagName('texte')[0].firstChild.data;
			 
			 var obj = document.getElementById("citations-auteur");
			 obj.innerHTML = items[i].getElementsByTagName('auteur')[0].firstChild.data;
			 
			 document.getElementById("citations-chargement").className="hidden";
	     document.getElementById("citations-actualiser").className="visible";
      }
    }
  }

  req.open("GET", "/squelettes/inc_citations.php?id_rubrique=" + idrubrique + "&id_secteur=" + idsecteur + "", true);
  req.send(null);
}