Does mm:treecontrol tag support focus event in Dreamweaver CS4

Hi
The mm:treecontrol tag support onfocus and onblur events well in Dreamweaver CS3. But it doesn't work in Dreamweaver CS4.
Does CS4 support it?
Thanks
Simon

Hi PZ,
Thank you for your useful solution.
I want to respond some keyboard events(Delete, Enter) for the tree in my floater panel. But some keys have been used by Dreamweaver.
If I write my shortcuts into Menus.xml, it will override Dreamweaver's responses.
Do you have any suggestions for this conflict?
Best Regards
Simon

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I'm looking after a way to control the focus of EditText widgets within a Dialog but I'm totally confused by the event loop logics —especially in Mac OS.
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Harbs. wrote:
It does seem to change the focus, but you are still left with a cursor sometimes (which does not work).
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e2.addEventListener('mouseup',anyEventHandler);
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But as a general rule, what the user has done supersedes what the script can do.
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