help me with the script

Look at this foldout menu
http://oceanic.wsisiz.edu.pl/~jackowsj/zagle/menu.php
it won't work under opera web browser, it looks good only in Mozilla and
IE. The script it uses ois here
http://oceanic.wsisiz.edu.pl/~jackow...script/menu.js
I'm not JavaScript literate and I don't know what to do to display it
correctly in Opera. Could You help me?

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******** Jacek Maria Jackowski POWERED BY FEDORA CORE 2 ********
* mail: jackowsj (AT) ANTYSPAMwsisiz (DOT) edu.pl ; gg:935481 *
* Linux is like a wigwame. No gates, no windows and apache inside *
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