Siteye eklenen müziği kodla başlatıp durdurma ?

<script language="JavaScript">
//-- Generate a random number between 0 and max.
function randomNum(max) {
var rNum=NaN
while (isNaN(rNum)) {
rNum=Math.floor(Math.random()*(max))
}
return rNum
}

var sound = new Array()
sound[0]= "ses.mp3"
sound[1]= "ses.mp3"

</script>
<p align="center">

<script language="JavaScript">
soundFile=sound[randomNum(sound.length)]
//-- Decide whether to use embed or bgsound.
if (navigator.appName.indexOf('Microsoft')>=0) {
document.writeln ('<bgsound src="'+soundFile+'">')
}else{
document.writeln ('<embed src="'+soundFile+'" hidden=true autostart=true>')
}
</script>