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

function playSound1(id) {
 if (ie4)
 {
	 document.all['BGSOUND_ID'].src='sound/sound33.wav';
     window.location.href=id
 }
 if ((ns4||ns3)
  && navigator.javaEnabled()
  && navigator.mimeTypes['audio/x-midi']
  && self.document.Bach.IsReady()
 )
 {
  self.document.Bach.play()
	  window.location.href=id;
 }
}

function stopSound1() {
 if (ie4) document.all['BGSOUND_ID'].src='sound/sound33.wav';
 if ((ns4||ns3)
  && navigator.javaEnabled()
  && navigator.mimeTypes['sound/sound33.wav']
 )
 {
  self.document.Bach.stop()
 }
}