I'm unable to select items from the drop-down menu in http://www.fonologia.org/exercicios_estruturas.php

The flash content in the page above is here: www.fonologia.org/flash/exercicios/exercicio1.swf

The same problem happens here: http://www.fonologia.org/exercicios_classificacao_consoantes.php

The flash content in the page above is here: www.fonologia.org/flash/exercicios/exercicio2.swf