Hide elements using custom effects.

Apply an easing equation to an animation.

Animate the properties of elements between colors.

Adds class(es) to elements while animating all style changes.

Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available in both jQuery and Prototype flavors.

Customizable, themeable tooltips, replacing native tooltips.

A single content area with multiple panels, each associated with a header in a list.

Enhance a text input for entering numeric values, with up/down buttons and arrow key handling.