A filter for RichFaces tree using javascript

1. pseudocode: text box over tree, key press event calls a java script function which makes all tree nodes not containing the entered text invisible.
2. how RichFaces 3.3.2 implements a tree using TreeNodeAdapter (using tables and divs. Use DomNavigator firefox plug-in to investigate how RichFaces renders a tree).
3. using jquery and source code.