online java games

[php]

hi all.
Don't speek very well english :( .
I need to more help for java games.
How to play java game in my homepage ??
Thanks.

[php]

Hey help me please .
I have jar and jad files .
How to make java emulator for my web page ?
One example
http://www.macrospace.com/emu/emu_caveman_c.html