Thanks for your answer. Indeed its ok for a read only app. But my scenario is a read/write app that is supposed to manage some remote data.
Here is a screen shoot to better explain my scenario : [manitra.andria.free.fr
Well the idea is that, I have a tree view containing a list or articles. When the user selects a node, the "detailed view" is filled with the selected node info. Then, the user can edit the content and press the save button.
The focus problem comes when the user uses the keyboad to browse the article list : the treeview looses the focus after each node change because the html editor receives new content and btw takes the focus. Even if the user uses the mouse it is annoying since he doesn't see the selected node (the treeview does not high light its selected node when it does not have the focus).
Btw, I tried to search with the keyword "focus" and got no answer, that's why I created this topic.
Thanks again for you help.