popup without blur

"diamantsus-/[email protected] [power-pro]" <[email protected]>
Newsgroups gmane.comp.windows.power-pro
Message-ID <[email protected]> 
When i'm in a input field in browser use a keystroke to call a powerpro popup with text items.
the problem is that the browser releave focus blur or reselect and the input become selected.
Do it is possible to avoid it or it is a browser setting?
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