Is there a Free Online Pokemon game similar to the D.S. versions?

I’m looking for a Free Online Pokemon game like Diamond or those DS versions. I have seen alot but they don’t seem reliable, i want an easy to use one.

You can find tons of free Pokemon games that you can play online here:
http://www.vizzed.com/vizzedboard/retro/index.php?search=pokemon

They’ve also got hacked Pokemon games too!

Yugioh Online – Diamond Magician Deck