function sendGETRequest(url, cb)
{
  if (TESTING)
    requestIsSent("GET", url, undefined, cb);
  else
    $.get(url).done(cb);
}

function sendPOSTRequest(url, args, cb)
{
  if (TESTING)
    requestIsSent("POST", url, args, cb);
  else
    $.post(url, args).done(cb);
}