How to install Moonlight on Firefox 5.0

Ubuntu 11.04 64bit
Firefox 5

On installing Moonlight it popup

Code:

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Novell monlight could not be installed bcasued it is not compatible with Firefox 5.0

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Please help how to install it. TIA

B.R.
satimis

Let me Google that for you. The very first link should give you a clue.