Could someone tell me if its possible to run this javascript on a mac ?

Hi,
some users on MAC with internet explorer 5 say they can't run this code:

Quote:

This code is supposed to send a command to a java chat applet.

Mac users get this errors:

Quote:
Your request triggered an error

File Not Found

/none.html

Is there a way for mac users to get this working ?
Thanks,

Shargann