Audio player is called jPlayer, and is GPL/MIT licenced
http://www.happyworm.com/jquery/jplayer/




CHANGES

new files:		jquery.jplayer.min.js, Jplayer.swf, jplayer.blue.monday.jpg
learninglab.xml:	added item 4999 to test jPlayer. Note that the path is just a link to the mp3 now
learning_lab.html:	added script reference to jquery.jplayer.min.js and CSS for the jPlayer 
xml4.js:		multiple changes to accommodate jPlayer

INSTRUCTIONS
If Jplayer.swf is not in the same directory as the page itself, change the value of swfPath appropriately in xml4.js
If jplayer.blue.monday.jpg is in a different directory, update all references to it in learning_lab.html
If jquery.jplayer.min.js is in a different directory, fix the reference in the head of learning_lab.html