Jquery

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This article provides an introduction into the world of jQuery selectors: how to use them, and what they're good for.

Tutorials:How to Get Anything You Want 2

http://docs.jquery.com/Tutorials:How_to_Get_Anything_You_Want_2
http://www.jstree.com/demo

JS Tree Démo

Creating a tree, binding events, using the instance Here is how you create an instance, bind an event and then get the instance. Doing something when the tree is loaded
First of all you need to include jsTree's files in your code. Note, that you could use the minified version. Only five files are required : http://docs.planbleu.org/modules/webportal/jquery/jsTree.v.0.9.5/documentation/

jsTree :: documentation