Reid Burke of IdeaRefuge writes in with a new YUI implementation that tweaks the standard "stacked" spatial orientation of a tab control and replaces with a scrolling orientation (either horizontal or vertical). In his own words:

I've created a YUI addon, ScrollTabView, that allows you to transition between TabView content with a Scroll animation.

This allows you to use YUI's tabs to create an effect similar to:

• Panic's Coda
• Mozilla's Firefox 3 pre-release start page

You can specify your own direction (horizontal or vertical), animation duration, and easing as attributes. Complicated styles are all applied automatically — just use it like a normal TabView.

View examples of ScrollTabView in action and grab the code here.

Direct links to examples and code:

• http://internal.reidburke.com/yui-addons/yodeler/widget/ScrollTabView.js
• http://internal.reidburke.com/yui-addons/yodeler/examples/ScrollTabView/horizontal.html
• http://internal.reidburke.com/yui-addons/yodeler/examples/ScrollTabView/vertical.html
• http://internal.reidburke.com/yui-addons/yodeler/examples/ScrollTabView/easing.html
• http://internal.reidburke.com/yui-addons/yodeler/examples/ScrollTabView/quick.html

It's all available under a BSD License — so feel free to use it for your own projects!

Reid's work builds on top of Matt Sweeney's YUI TabView Control and Animation Utility.