Link to Youtube in HD

To link a youtube video so that it opens in Hi-Def append "&fmt=37" to the end of the link.

&fmt=37

For example: Normal Link

http://www.youtube.com/watch?v=ysSxxIqKNN0

Hi-Def Link

http://www.youtube.com/watch?v=ysSxxIqKNN0&fmt=37

To link to at 720p resolution use:

&fmt=22

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