Dynatree a jQuery Plugin

Dynatree is a jQuery plugin that allows to dynamically create html tree view controls using JavaScript. Main featuresOptimized for large dynamic trees (DOM elements are only created when really needed).Programmable through a rich object oriented interface.Support for lazy loading and Ajax.Checkboxes and hierarchical selection.Supports drag and drop.Support for persistence.Keyboard aware.Initializes from HTML code, JSON, or JavaScript objects.