http://jsfiddle.net/Brj8m/

var props = this._currentElement.props;
  var returnValue = LinkedValueUtils.executeOnChange(props, event);
  
  
  
  ReactUpdates.asap(forceUpdateIfMounted, this);
  var name = props.name;
  if (props.type === 'radio' && name != null) {
    var rootNode = ReactDOMComponentTree.getNodeFromInstance(this);
    var queryRoot = rootNode;
    while (queryRoot.parentNode) {
      queryRoot = queryRoot.parentNode;
    }