var musicsrc="schoolsong.mp3";
var musicnone = "nothing";
if (navigator.appName=="Microsoft Internet Explorer")
	document.write('<bgsound id="gbSound" src='+'"'+musicsrc+'"'+' loop="1">');
else
	document.write('<embed id="gbSound" src=\"'+musicsrc+'\" hidden="true" border="0" width="0" height="2" autostart="true" loop="false" volume="60">');

function playSound(){
	document.getElementById("gbSound").src = musicsrc;
	document.getElementById("myImage").src="images/song.png";
	document.getElementById("myLink").onclick= stopSound;
}


function stopSound(){

	document.getElementById("gbSound").src = musicnone;
	document.getElementById("myImage").src="images/nosong.png";
	document.getElementById("myLink").onclick= playSound;
}