java applets don´t load

[aloctavodia]

java applets don´t load for expample here http://jmol.sourceforge.net/ I just get grey window, altought java is running. I don´t know if helps but I am able to run java aplication like Xmind.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: openjdk-6-jre-headless 6b22-1.10.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-9.43-generic 2.6.38.4
Uname: Linux 2.6.38-9-generic x86_64
Architecture: amd64
Date: Thu May 19 20:45:42 2011
ExecutablePath: /usr/lib/jvm/java-6-openjdk/jre/bin/java
ProcEnviron:
 LANGUAGE=es_AR:en
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
SourcePackage: openjdk-6
UpgradeStatus: Upgraded to natty on 2011-04-16 (33 days ago)