docs: function normalizeUrl(url, baseLocation) {
      if (!(/^\w+:/).test(url)) {
        var u = baseLocation.protocol+'//'+baseLocation.hostname;
        if (baseLocation.port && baseLocation.port !== 80) {
          u += ':'+baseLocation.port;
        }
        var path = baseLocation.pathname;
        if (url.charAt(0) === '/') {
          url = u + normalizeArray(url.split('/')).join('/');
        } else {
          path += ((path.charAt(path.length-1) === '/') ? '' : '/../') + url;
          url = u + normalizeArray(path.split('/')).join('/');
        }
      }
      return url;
    }