code: function() {
  			this.set(ANIM,false);
  			this.unsubscribeAll();
  			var el = this.get('element');
  			if (el.parentNode) { el.parentNode.removeChild(el); }
  		}
docs: Destroys the ProgressBar, related objects and unsubscribes from all events
  @method destroy
  @return  void