NlsTree is a powerful and versatile advanced cross browsers javascript tree control. NlsTree provides advanced functionalities such as runtime tree node manipulation for adding, deleting and updating nodes, load on demand (AJAX) and render on demand (for large tree), context menu, drag & drop (with auto scroll and auto expand), XML input/output, checkboxes, 'windows explorer like' node editing mode, customizeable icons and styles and many more features that make the tree exceptionally different. NlsTree also supports loading tree from HTML structure (UL/LI), no Javascript knowledge is required. NlsTree is the best option for navigation, configuration tool in your application as well as data viewer and data gathering component. Included examples to load and save tree into database using AJAX with ASP and PHP!.