[jQuery] Can't get a 1 pixel rounded corner

[jQuery] Can't get a 1 pixel rounded corner

Hello,
Following advice on this mailing list, I visited http://www.malsup.com/jquery/corner/ to learn how to create a rounded border that was a different color than the inner DIV. I want to create a 1 pixel border, and so I changed the code in the first "Adornment" example to read ...
$(this).corner("round 8px").parent().css('padding', '1px').corner("round 10px")
but in both PC IE and Firefox, at the upper left and right box corners, you can see pointy box corners, whereas at the bottom, the corners round smoothly. How can I adjust the above to make the top corners as smooth as the bottom ones?
Thanks, - Dave
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