function PlayPause(audio,but,rate) {
  if (audio.paused||audio.playbackRate + ratedelta != rate) 
  {
  	document.getElementById('playpause1').src="images/pause.gif" ;
  	document.getElementById('playpause1').title="Musik aus!" ;
  	document.getElementById('platte').src="images/schallplatte.gif" ;
  	document.getElementById('iplaypause').value = '1';
  	PlayLied(audio,but,rate); 
  } else {
  	document.getElementById('playpause1').src="images/play.png" ;
  	document.getElementById('playpause1').title="Musik an!" ;
  	document.getElementById('platte').src="images/schallplatte.png" ;
  	document.getElementById('iplaypause').value = '0';
  	PauseLied(audio);
  } 
}
function PlayPauseMobil(audio,but,rate) {
  if (audio.paused||audio.playbackRate + ratedelta != rate) 
  {
  	document.getElementById('playpause2').src="images/gramofono2.svg" ;
  	document.getElementById('playpause2').title="Musik aus!" ;
  	PlayLied(audio,but,rate); 
  } else {
  	document.getElementById('playpause2').src="images/gramofono1.svg" ;
  	document.getElementById('playpause2').title="Musik an!" ;
  	PauseLied(audio);
  } 
}
function PlayLied(audio,but,rate) {
  if(audio.paused) audio.play(); 
  audio.playbackRate = rate; 
  ratedelta = rate - audio.playbackRate;
  but.value = String.fromCharCode('0x25AE','0x25AE');
}
function PauseLied(audio) {
  audio.pause(); 
}