What is a navigation tree?
A navigation tree is a graphical user interface, that displays a hierarchical data structure in an expandable tree like diagram. One of the first programs to make use of a navigation tree was the wonderful XTree, which displayed DOS directories as a tree.
Where is navigation tree?
The navigation tree area itself is a component which is shared among a number of pages that display the content of the tree nodes. The tree component is embedded into JSP pages using the <syswf:component> JSP tag. The component itself contains a simple JavaScript that creates a JSTreeMenu and populates it.