(function() {
  var recursiveScriptIdentifier = 'byburt_recursiveScript';

  var rec = window[recursiveScriptIdentifier] || {};
  rec.counter = rec.counter || 0;
  rec.url = rec.url || '';
  rec.callback = rec.callback || function() {};

  if (rec.counter > 0) {
    rec.counter--;
    document.write('<script type="text/javascript" src="' + rec.url + '"></scr' + 'ipt>');
  } else {
    rec.callback();
  }
}());