lala_notify_onsongchange.js

// Cause a Fluid/Growl notification on Lala song change.

// I execute the following in the Firebug console with the Lala tab active.
// I would like to package it as a Jetpack, extension, or bundle it
// with an existing Lala extension.  

// Yip implements the fluid/growl API on my computer. 

function showLalaSongNotification(song) {
	window.fluid.showGrowlNotification({
		title: song.title,
		description: song.artist,
		icon: 'http://album-images.lala.com/servlet/ArtWorkServlet/' + 
                      song.discLalaId + '/xs'
	});
}

Player.g._onLoadTrack = Player.g.onLoadTrack;
Player.g.onLoadTrack = function (track) {
	showLalaSongNotification(track.data.result.song);
	Player.g._onLoadTrack(track);
};