Maybe they are not transparent?

>For the most part, this is working for all of my command buttons. However, there are a couple here and there where a white background is still visible and those buttons inherit from the same base class that goes through the same behavior as described in the message below.
>
>I even stepped through that alpha transparency code for the button in question and it executes without issue. Any ideas as to why it might not be behaving like the others?
>
>>See <B>Re: PNG alpha transparency in command button ?</B> Message #1126979