popup window on mozilla

i'm using javascript to open a new window in a html page. It works fine ie whereas mozilla opens a new tab. is there a way开发者_如何学Python to make the mozilla open the popup in a new window instead of new tab using javascript or any parameter?

-Vivek

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No, this behavior is defined by the browser. You can only change it in the browser AFAIK.

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Already discussed here:

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This behavior depends on user-agent configuration. Nothing you can do.