Applet within page

Hi, I’m trying to embed a java applet into one of my pages.

The code seems to be parsed ok but I get a broken java applet.
Here is the code I was suppled with :

<applet code="RubikPlayer.class" archive="rubikplayer.jar" width="480" height="480">
<param name="scriptLanguage" value="SupersetENG">
</applet>

I’m using permalinks and my page is a subpage like https://mywp.com/parentpage/appletpage.
I uploaded the applet dir at web root level.

I tried to add a path to the code and archive values both absolute (/appletdir/) and relative (../../appletdir) and it sill doesn’t work. Any idea?

TIA.