text: (function(window, videojs, undefined) {
    'use strict';
    videojs.util.param = function(obj) {
      var str = [], key;
      for(key in obj) {
        if (obj.hasOwnProperty(key)) {
          str.push(encodeURIComponent(key) + '=' + encodeURIComponent(obj[key]));
        }
      }
      return str.join('&');
    };
  
    videojs.util.isEmptyObject = function(obj) {
      var key;
      for (key in obj) {
        return false;
      }
      return true;
    };
  })(window, videojs);