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		So, I finally came back to this task and tracked it down.  It was the vertical sync!
Although I'm 10000% sure I tried playing with this, clearly I'm fumbled something during the process.
 Setting the SwapInterval(1) worked to remove the flickering on refresh.
 I only decided to try this one last time after going back and reading all of the posts in this thread yesterday.  8^)
 Thanks again for your past and recent help.
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