function toggleShowHide(id) {
  var obj = document.getElementById(id);
  if (obj.style.display == '') {
		obj.style.display = 'none';
	} else {
		obj.style.display = '';
	}		
}

function changeMainImage(imgSrc) {
  var obj = document.getElementById('mainImage');
  obj.src = imgSrc;
}

function toggleEmbed(id, clearFlag)
{
	var obj = document.getElementById(id);
	if (obj.innerHTML == '' && clearFlag == false)
	{
		clearAllEmbeds();
		obj.innerHTML="<br><embed type='audio/x-mpeg' src='mp3/" + id + ".mp3' autostart='True' height='25' width='280' kioskmode='true' bgcolor='#f4efe0'> </embed>";
	}
	else
	{
		obj.innerHTML = '';
	}
}

// This function is called when unloading "repertoire list" page as if go to this page in Firefox
// using browser Back button, all activated embedded players start playing.
function clearAllEmbeds()
{
	toggleEmbed('millionaire', true);
	toggleEmbed('moonriver', true);
	toggleEmbed('shotinthedark', true);
	toggleEmbed('jamesbond', true);
	toggleEmbed('pretty', true);
	toggleEmbed('misty', true);
	toggleEmbed('roses', true);
	toggleEmbed('valentine', true);
	toggleEmbed('richman', true);
	toggleEmbed('intermezzo', true);
}

function clearClassicalEmbeds()
{
	toggleEmbed('intermezzo', true);
}