function PlaySound() 
{ 
 if (!document.getElementById) {return;}
 document.getElementById("sndspan").innerHTML = "<embed src='song.mp3' hidden=true autostart=true loop=false>";
 isSoundOn = true;
 SetSoundControl();
}
function StopSound() 
{ 
 if (!document.getElementById) {return;}
 document.getElementById("sndspan").innerHTML = "<embed src='nothing.mp3' hidden=true autostart=true loop=false>";
 isSoundOn = false;
 SetSoundControl();
}
function ToggleSound()
{
 if (isSoundOn) { StopSound(); }
 else { PlaySound(); }
}

function SetSoundControl()
{
 if (!document.getElementById) {return;}
 var si = document.getElementById("sndimg");
 if (!isSoundOn)
 {
  si.src= "img/sndon.gif";
	if (lngCode == 'cz') { si.alt="Zapnout zvuk"; si.title="Zapnout zvuk";	}
	else { si.alt="Sound on"; si.title="Sound on"; }
 }
 else
 {
  si.src= "img/sndoff.gif";
  if (lngCode == 'cz') { si.alt="Vypnout zvuk"; si.title="Vypnout zvuk"; }
	else { si.alt="Sound off"; si.title="Sound off"; }
 }
}