I try to program a file manager based<BR>web and I hope it will like microsoft<BR>explore. left frame is a tree view<BR>of directories with (+)expand and (-)<BR>... functions. But I found it &#039s difficult to make. I travel the root to get all sub, but I do&#039t know how display<BR>them as tree with Javascript.<BR>Please provide some help to me.<BR>thanks!