jQuery fade not working in IE

http://b开发者_开发知识库it.ly/Veyy5

If you view the above URL in FireFox and try to change any of the search parameters you'll see that the search results portion of the page fades to a low opacity and then fades back in once the results are received. In IE this doesn't fade at all. Any ideas?

Thanks,

Shawn

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May that post resolve your bug? Are you using PNG's for transparency (IE7 bug)?