$.getJSON("Sp%C3%A9cial:Ask/-5B-5BCategory:Fablabs-5D-5D/-3FLong-23-2D/-3FLatt-23-2D/-3FSite/-3FAdresse/-3FIntitul%C3%A9/-3FStructures/limit%3D50/format%3Djson/sep%3D,/headers%3Dshow", function(json) {
$.each(json.items, function(i,item){
alert(i+"="+item.Label);
});
});