Sets default options for future popups.
Defines where the popup is attached to the opening element.
Valid values are
Whether opening a popup will add a browser history entry.
The animation used to open a popup.
The animation used to close a popup.
The duration of the open animation (in milliseconds).
The duration of the close animation (in milliseconds).
The timing function controlling the acceleration of the opening animation.
The timing function controlling the acceleration of the closing animation.
If set to
true, the popup remains
open even it changes the page in the background.