HTML5/JS Audio Mp3 Player Demo SRC

<button onclick="PlayIt();">Play</button><button onclick="PauseIt();">Pause</button>
<audio type="audio/mp3" id="aud" src="http://compulsivecoding.com/DJ%20BrU%20-%20The%20Influx.mp3" autoplay="false"><audio/>
<script>
function PauseIt(mp3){
var aud=document.getElementById("aud");
aud.playbackRate=1.0;
aud.volume=1.0;
aud.pause();
}
function PlayIt(mp3){
mp3=prompt("Enter URL:");
var aud=document.getElementById("aud");
aud.src=mp3;
aud.playbackRate=1.0;
aud.volume=1.0;
aud.play();
}
 </script>