Mine

Edgeware.WizardForm = Nevow.LiveForm.FormWidget.subclass('Edgeware.WizardForm');
Edgeware.WizardForm.methods
  (
    function reset(self)
      {
        // we do nothing on reset
      },
    function submitSuccess(self, result)
      {
        self.hideProgressMessage();
        // alert("take me to the next step" + result);
        widget = self.addChildWidgetFromWidgetInfo(result);
        while (self.node.childNodes.length)
          {
            self.node.removeChild(self.node.childNodes[0]);
         }
        for (var i = 0; i < widget.node.childNodes.length; i++)
          {
            self.node.appendChild(widget.node.childNodes[i]);
          }
      }
  );