var sounddon = 1;
//var soundimg1=new Image();
//var soundimg2=new Image();

//soundimg1.src='img/b_off_up.gif';
//soundimg2.src='img/b_on_up.gif';

function stoppen() 
{

 if( document.all ){
  
	if (sounddon==0){
		sounddon=1;
		//document.getElementById("IMGSound").src = soundimg2.src;
		//document.getElementById("IMGSound").alt = "Sound on";
		document.all.bgs.src = "";
		document.getElementById("sound").innerHTML="Sound on";
	} else {
	
		sounddon=0;
		//document.getElementById("IMGSound").src = soundimg1.src;
		//document.getElementById("IMGSound").alt = "Sound off";
		document.all.bgs.src = "snd/sound.mid";
		document.getElementById("sound").innerHTML="Sound off";
	}
}	
}