This tutorial will cover the really basic things about JavaScript, mainly proper syntax of strings, method of script inclusion, and the commonly used alert() and document.write(). To those of a keen eye, you'll get a glimpse of my recent history at 1:33, and for that I apologize. "absolutely necessity": that should be "absolute." The error message display comes courtesy of Firebug, an incredibly useful Firefox add-on. The song is Beethoven's Ninth Symphony. (Those with epilepsy should stop watching this tutorial about ten seconds before its end to be safe...)