Most buttons in the Cute Editor for PHP 6.0 toolbar does not open or pop up on MAC 10.4.10 with Firefox 2.0.0.9

Most buttons in the Cute Editor for PHP 6.0 toolbar does not do or run anything on MAC 10.4.10 with Safari 3.0.3 (522.12.1) 

Cute Editor for PHP 6.0 works fine on Internet Explorer 7.0 except Image Mapper and Spell Check

Please advice what should I do?

-- John