Jquery

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With jQuery, you can get to just about anything on a web page.

Tutorials:How to Get Anything You Want 2 - jQuery JavaScript Library

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

JS Tree Démo

PHP & mySQL demo + event order Here is a PHP & mySQL enabled demo. You can use the classes/DB structure included, but those are not thoroughly tested and not officially a part of jstree.
Once the files are included and ready, you can go ahead and create an instance. As of version 0.9.5 there are two ways of creating an instance. A javascript object that contains all the options for the data source of the tree. http://docs.planbleu.org/modules/webportal/jquery/jsTree.v.0.9.5/documentation/

jsTree :: documentation