7. The apparatus of claim 1 , wherein the program, when executed by the processor, further causes the processor to perform: editing the document content entered into a data field of the customized user interface and using color to designate a document node in a document being edited.
7. The apparatus of claim 1 , wherein the program, when executed by the processor, further causes the processor to perform: editing the document content entered into a data field of the customized user interface and using color to designate a document node in a document being edited. 9. The apparatus of claim 7 , wherein the color is displayed when the document node is selected.