[jQuery] Rounded Corners with Drop Shadow

[jQuery] Rounded Corners with Drop Shadow

<a href="http://www.ruzee.com/blog/shadedborder"> http://www.ruzee.com/blog/shadedborder</a>
Reported on Ajaxian.  It says it's jQuery friendly although it doesn't look like a plugin.
Question:  Does it make sense to jQuerify a script like this if it's jQuery friendly already?
What benefit could be gained?  Smaller?  Faster?  Better integration with other effects?
It looks pretty nice though.
Glen
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