New Page Opens In New Window, Not New Tab In Firefox

I have a site consisting of a frameset with two frames. One of the frames opens a new document ala... var myWin= open('','ImgWindow','status=yes,toolbar=yes,menubar=yes,scrollbars

Solution 1:

This page might help you.

With default settings, if you invoke window.open() without the third parameter, firefox will open the window in a new tab, otherwise in a new window.