code: function(event_name) {
  
  		if ((event_name in this._dom_event_support) && this._dom_event_support[event_name].delegation) {
  
  			Firestorm.Element.removeDelegation(window, event_name, '*', this._event_listeners[event_name]);
  
  		} else {
  
  			Firestorm.Element.removeListener(window, event_name, this._event_listeners[event_name]);
  
  		}
  
  	}
docs: Stop listening to DOM event
  @param {string} event_name DOM event name