Can this javascript decompile/deobfuscated

[xperia]

I think this is the most complicated obfuscated javascript i ever had, i can't understand a bit. Can anybody give me idea, what packer/obfuscated algorithm it use ? any idea to do reverse engineering on it ?

[Cyko]

I have not had a look at your file - but have you read => http://board.deioncube.in/showthread.php?tid=1787 ?

[object0]

Decoded:

http://pastebin.com/aAqCVFtU

[xperia]

i was so impress with the obfuscated script (so hardly to read), but now i'm more impressed on how @object0 de-obfuscated it... is it based on the link that @cycko give ??

any tools to create such obfuscated ? it looks very 'hard to read'... well, at least for most people