function dynamicSelectCommscolRecherche(quel)
{
   var selectCommscol = document.formulaireRechercheEcoles.elements["sltQuelCommScolRecherche"];
	
   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;
   }

   xhr_object.open("POST", "generer_commscols.php", true);

   xhr_object.onreadystatechange = function()
   {
	  if(xhr_object.readyState == 4)
		 eval(xhr_object.responseText);
   }

   xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   var data = "arse="+escape(quel);
   xhr_object.send(data);
}