loadSitesScatListe = function(id_cat){
	var myAjax = new Ajax.Updater("ajaxSitesScatListe", "../libphp/sitesScatListe.php",
		{
        	method: "get",
        	parameters: {id_cat: id_cat},
          	onLoading: function(xhr){ Element.show('chargement'); },
          	onSuccess: function(xhr){ $('ajaxSitesScatListe').innerHTML = xhr.responseText; return false; },
          	onComplete: function(xhr){ Element.hide('chargement'); }
        }
	);
};