Yes now is work after i replace java.policy
On C:\Program Files\Java\jre6\lib\security\java.policy
Now is loading very well in first 5 Minuit's no loading and it let me think that will not work
But i test again and work very well is work on all my browser(Firefox,IE tester,opera,Internet Explorer)
Good job prof Lookang  :D
Just one thing i try running XML file on EJS but error still now
[b]variable IMPLEMENTATION_mode
location: class org.opensourcephysics.display3d.factory.OSP3DFactory
   org.opensourcephysics.display3d.factory.OSP3DFactory.setImplementation (org.opensourcephysics.display3d.factory.OSP3DFactory.IMPLEMENTATION_mode);