One JComboBox "overwrites" another in display

Hi,
I have a JPanel containing two JComboBoxes, one above the other. Now, when I pull down the menu of the top one, it displays over the top of the one below it. Then, after making a selection, the pull-down menu closes, but the JComboBox below doesn't display, until I either tab so it gets focus, or I click in it.
No amount of validating, revalidating, or repainting of either the JComboBox(es) or the entire contentPane seems to fix the issue
Any assistance very much appreciated

It works fine in my reply in this thread:
http://forum.java.sun.com/thread.jsp?forum=57&thread=428181
Just replace the WEST/EAST locations with NORTH/SOUTH

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spacedebris wrote:
Well, CS was right when they said that Verizon cannot transfer your email to another account. In order to do that they would have to overwrite the email of your friend ( I dont think your friend would apreciate that ). This is due to a limitation on the email system.
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my .02
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