10 Beautiful jQuery Menus

Hidden jQuery Drop Down Menu for Minimalist Design
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A Different Top Navigation with jQuery

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Demo | Tutorial

Create an apple style menu and improve it via jQuery

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Demo | Tutorial

Color Fading Menu with jQuery

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Demo | Tutorial

Create a Cool Animated Navigation with CSS and jQuery

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Demo | Tutorial

jQuery Drop Line Tabs

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Demo & Tutorial

Sexy Drop Down Menu w/ jQuery & CSS

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Demo | Tutorial

Sliding Top Menu With jQuery

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Demo | Tutorial

How to Make a Smooth Animated Menu with jQuery

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Demo | Tutorial

jSlickmenu: A jQuery plugin for slick CSS3 menus

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Demo | Tutorial

source : http://www.webupd8.org/2009/09/10-beautiful-jquery-menus.html