Java Applet plugin for firefox doesn't work

[Chuang Wu]

Hi there,

Java Applet plugin for firefox doesn't work. I have installed:

sun-java5-plugin - The Java(TM) Plug-in, Java SE 5.0
j2re1.4-mozilla-plugin - Java plugin for mozilla/firefox
firefox 1.5.0.4

Any idea?
Thanks,
Chuang