Tabbing on swing...

Hi,
I am trying to use a Gui piece that uses a Jframe in whihc there is a Jpanel and other stuff. Now this is a piece that was used in someother application and everything works fine and ifyou want to tab through different components like buttons and JTextfields it does go through and you can move aorund using the Tab key.. now i dont think i have changed much in the GUI part and just tried to fix it with the new appliction and now the tabbing doesnt work..
does any body have any idea.
i woul really appreciate ur help.
tell me is this method has anything to do with it
public boolean isManagingFocus()
return true;
}

sorry for the late reply altyhough its my need..
Ok here was the problem followed by the solution:
The GUI peice was originally working on jdk1.3 i guess and was working fine..
wat happened was a that in jdk 1.4 the focus thing on the component changed
Solution..
well this is what i did:
after each
someswingcompnent.setEnabled(true);i added
someswingcomponent.setFocusable(true);and the tabbing started working.. now i can move around the whole gui peice with the tab key...

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Tabbing on swing...

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