code: function(win, uri, key) {
  					var msg = gui.Action.stringify(action, key);
  					win.postMessage(msg, "*"); // uri
  				}
docs: /*
  Teleport action across domains.
  @see {gui.IframeSpirit}
  @param {Window} win Remote window
  @param {String} uri target origin
  @param {String} key Spiritkey of xdomain IframeSpirit (who will relay the action)