ver=parseInt(navigator.appVersion)
ie4=(ver>3  && navigator.appName!="Netscape")?1:0
ns4=(ver>3  && navigator.appName=="Netscape")?1:0
ns3=(ver==3 && navigator.appName=="Netscape")?1:0

var toggle = false;

function playSound(track) {
 if (ie4) document.all['BGSOUND_ID'].src=track;
 if ((ns4||ns3)
  && navigator.javaEnabled()
  && navigator.mimeTypes['audio/x-midi']
  && self.document.Bach.IsReady()
 )
 {
  self.document.Bach.play()
 }
}

function stopSound() {
 if (ie4) document.all['BGSOUND_ID'].src='jsilence.mid';
 if ((ns4||ns3)
  && navigator.javaEnabled()
  && navigator.mimeTypes['audio/x-midi']
 )
 {
  self.document.Bach.stop()
 }
}

function playstopSound(track)
{

	if ( toggle == false )
	{
		toggle = true;
		audiimage.src="images/music-on.jpg";
		playSound(track);
	}
	else
	{
		toggle = false;
		audiimage.src="images/music-off.jpg";
	 	stopSound();
	}
}