jQuery hover profile?

How to create the effect like开发者_StackOverflow中文版 trulia when you hover on the avatar?

http://www.trulia.com/voices/Home_Buying/Why_are_there_only_homes_listed_under_quot_Recen-164127

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Check out jQuery Ajax Tooltip

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This is the basic idea:

1. Show div on mouseenter()
2. Load data via $.ajax and append it to div
3. Hide div on mouseleave()

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You may want to look into this list, it shows quite a few plugins that creates such tooltips:

http://www.webdesignbooth.com/15-jquery-plugins-to-create-an-user-friendly-tooltip/