JQuery

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JQuery File Upload Plugin Script - JQuery File Upload Script - Uploadify

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jQuery Ajax tutorials, jQuery UI examples and more! - The Ultimate jQuery List

http://www.catchmyfame.com/2009/06/25/jquery-beforeafter-plugin/

Pretty slick no?

Catch My Fame » jQuery Before/After Plugin

Overlay is a significant part of the JavaScript/Web 2.0 landscape.

jQuery TOOLS - The missing UI library for the Web

40 Useful jQuery Techniques and Plugins - Smashing Magazine

Over the last year, Smashing Magazine has evolved.

http://coding.smashingmagazine.com/2010/04/27/45-useful-jquery-techniques-and-plugins/

http://devsnippets.com/article/10-jquery-transition-effects.html

Whatever content you have to present, you can present them in a more interactive & more responsive ways.

10 jQuery Transition Effects: Moving Elements with Style | DevSnippets

Tipped - The Javascript Tooltip Framework

http://projects.nickstakenburg.com/tipped

Evolved from the popular Prototip library, Tipped takes tooltips to the next level by using HTML5 to give you full control over the look and feel of your tooltips.