From MozillaZine Knowledge Base
This article describes how to prevent websites from disabling certain new window features by changing the related Firefox or Mozilla Suite preference setting.
(From the About:config entries article, under DOM.)
|| Meaning of Values
| dom. disable_window_open_feature. *
|| Web page authors can disable many features of a popup window that they open. Setting these preferences to true will override the author's settings and ensure that that feature is enabled and present in any popup window.|
close: Prevents the close button from being disabled.
directories: Prevents the bookmarks toolbar from being hidden.
location: Prevents the address bar from being hidden
menubar: Prevents the menubar from being hidden.
minimizable: Prevents popup window minimization from being disabled.
personalbar: Prevents the bookmarks toolbar from being hidden.
resizable: Prevents popup window resizing from being disabled.
scrollbars: Prevents the scrollbars on a popup from being disabled.
status: Prevents the status bar from being hidden.
titlebar: Prevents the title bar from being hidden.
toolbar: Prevents the navigation toolbar from being hidden.