Changes

To make use of PW Core you must register to receive its runtime notifications using Mozilla's Observer service. To do this you need to know the notification's topic which is 'experimental-notify-plugin-call'. If you are new to the Mozilla Observer service, you may want to familiarize yourself with it before proceeding further. You can find more information on the Observer service [http://developer.mozilla.org/en/docs/nsIObserverService here] and [http://developer.mozilla.org/en/docs/nsIObserver here]. Below are a number of JavaScript snippets that would be useful to developers trying to work with PW Core: