.NET SlidingMenu 

SlidingMenu creates z-piled stacks of layers in a browser and client dynamically navigate through these layers. Using HTML inline tags it is not only easy supporting a creative focus, it is fun and it opts for a more efficient use of web space.
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eStream PanelBar.NET Pro 

eStream PanelBar.NET allows developers to create powerful and attractive menus for their web sites or web applications in just a few lines of code. The product offers out of the box support for XP styled and Outlook styled navigations.
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