Flickering CSS rollover buttons

Webmasterworld.com HTML Forum:
http://www.webmasterworld.com/html/3021472.htm

I have used css to make my navigation buttons change but they flicker once the cursor is moved off the image but this only happens on my pc when others have the same version of explorer it works perfectly in firefox anyone know how I can stop this happening?

This is the Btn

Seems to work OK?!


No Link

This is my version of a CSS rollover Btn:

My Button

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