@robindeanauthorDec 10.2007 — #That makes sense but I could have sworn that I saw something somewhere that made it "lean" towards new windows instead of tabs.
@felgallDec 10.2007 — #It is a browser setting. The browser owner identifies whether they want popups to open in a new window, a new tab, or the same tab. Specifying a width and height in the third parameter of the window.open call will make it more likely that they will allow it to open in a new window.