dhtmlxTree is an Ajax-enabled DHTML treeview component that provides robust and flexible solution to represent and manage hierarchical data. The tree can load its content dynamically from server using Ajax or directly from on-page XML data-island. Ready-to-use solution for server-side integration is available. Version 1.6 also introduces JSON support. Advanced features include powerful script API, in-line node editing, drag-n-drop capabilities, built-in checkboxes, context menu, special techniques for handling large trees with great number of nodes and more...