applet buttons don't work

On the website http://larrysteelebasketball.com/ there are 8 buttons (Home,
2006 Dates, Registration...). I believe they are Java applets. The buttons
work fine on my Mac with Safari and they work fine on a Windows 98 with IE 6
and I assume they work fine for most people who visit the site. They don't
work on a Fujitsu Lifebook with Windows XP IE 6. The buttons look like a
broken picture link. I ckecked the security settings and java applets are
allowed. I tried changing security to low. Below is the relevant source
from the site for the "Registration" button I believe.
Dave

</applet></td>
<td bgcolor="#FFFFFF" height="1" align="center" width="12%"
style="border-style: solid; border-width: 2" bordercolor="#FFCC00">
<p style="margin-top: 0; margin-bottom: 0">
<applet code="fphover.class" width="92" height="20">
<param name="textcolor" value="#FFFFFF">
<param name="color" value="#FF9900">
<param name="effect" value="fill">
<param name="font" value="Dialog">
<param name="fontstyle" value="bold">
<param name="fontsize" value="12">
<param name="hovercolor" value="#FFCC00">
<param name="text" value="Registration">
<param name="url" valuetype="ref" value="registration.htm">
</applet></td>