//funcao de abertura e fechamento do audio
function showhide(what,what2){

var thisLevel = document.getElementById( what );
if(what2)
  var thisimage = document.getElementById( what2 );
if (thisLevel.style.display=='none'){
	closeAll();
thisLevel.style.display= 'block';
if(what2) thisimage.src=Open.src;
}
else{
thisLevel.style.display='none'
if(what2) thisimage.src=Closed.src;
}
}