(function(doc, script) {
  var js,
      fjs = doc.getElementsByTagName(script)[0],
      add = function(url, id, cb) {
            if (doc.getElementById(id)) {return;}
            js = doc.createElement(script);
            js.src = url;
            id && (js.id = id);
            fjs.parentNode.insertBefore(js, fjs);

            //- bind the callback on onload an onreadystatechang
            js.onload = js.onreadystatechange = cb;
      };

  add('//example.com/js/remote.js', function(){
        //- do some post-load initialization.
        console.log('remote loaded and onload fired'); // for debug purposes.

        //  the remote script gives us an object
        var options = {'array': 'of','parameters':'and values'},
            myObj = new remoteObject(options);

            myObj.init();

      });
}(document, 'script'));