Creating new tab / switching between Tabs in Firefox?

Question

I am looking for a way to improve the workflow in a PHP based CMS. There is a lot of switching between the editor mode and the preview mode of the page. The editor mode is h

Answer 1

Nope, there's no way to force the opening of a new tab, simply because this would be unsupported by un-tabbed browsing

You can only set it to open a new window, not a new tab.