hide the iframe if the magic EVENT_ID is missing (possible if Event answers to response actions)
hide the iframe if the magic EVENT_ID is missing (possible if Event answers to response actions)

phpManufaktur/kfCommandCollection,phpManufakturHeirs/kfCommandCollection,phpManufaktur/kfCommandCollection,phpManufakturHeirs/kfCommandCollection,phpManufakturHeirs/kfCommandCollection