ajaxComplete.js

  $(document).ajaxComplete(function(event, request, options) {
    if (request.status == 401) {
      window.location = "/user_session/new";
    } else if(/^text\/plain/.test(request.getResponseHeader('Content-type'))) {
      if(request.responseText == ' ') {
        $(document).trigger('close.facybox');
        var removeVerify = window.location.href.match(/(^http.*)\?verify=1/);
        if (removeVerify)
          window.location = removeVerify[1];
        else
          window.location = '';
      } else {
        $.ajax($.extend(options, {'url': request.responseText, 'type': 'GET', 'data': null}));
      }
    }
  });