Questions on (perhaps?) deprecated property

I am attempting to do some maintenance on some old CSS I did not write.

behavior seems to be an unknown property.  What would be it's acceptable replacement?

Also, what is an .htc file?  I am not familiar with those.

      behavior: url("");

Tom KnowltonWeb developerAsked:
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Here is the best explanation for the behavior property: 

The behavior coupled with an HTC file is generally used for older versions of IE. It's designed to give modern functionality(some) to IE via CSS.  

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Tom KnowltonWeb developerAuthor Commented:
>>>. It's designed to give modern functionality(some) to IE via CSS.  

Great...another hack for IE....  LOL.
Tom KnowltonWeb developerAuthor Commented:

It would seem javascript / jQuery can give the same functionality, right?
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