function showFret(id,highlight) {
	 document.getElementById('fretInfo').innerHTML	= jsTones[id];
	if (highlight=='yes') { document.getElementById(id).className='fretHover'; }
}
function hideFret(id,highlight) {
	 document.getElementById('fretInfo').innerHTML	= '-';
	 if (highlight=='yes') { document.getElementById(id).className='fret'; }
}
function form_menu(id) {
	menu = document.getElementById(id);
	if (menu.style.display=='' || menu.style.display=='none') { menu.style.display = 'block'; } else { menu.style.display = 'none'; }
}
function chord_selector(id, level) {
	var holder = document.getElementById(id);
	var chord_holder = holder.getElementsByTagName('DIV');
	if (level ==3) {
		for(var i=0; i<chord_holder.length; i++) {
			chord_holder[i].style.display = 'block';
		}
	}
	else if (level ==2) {
		for(var i=0; i<chord_holder.length; i++) {
			if (chord_holder[i].title == 'level 3 chord') {
				chord_holder[i].style.display = 'none';
			}
			if (chord_holder[i].title == 'level 2 chord') {
				chord_holder[i].style.display = 'block';
			}
		}
	}
	else if (level ==1) {
		for(var i=0; i<chord_holder.length; i++) {
			if (chord_holder[i].title == 'level 3 chord' || chord_holder[i].title == 'level 2 chord'){
				chord_holder[i].style.display = 'none';
			}
		}
	}
}
function form_select(id, form_value) {
	src = document.getElementById(id);
	dest = document.getElementById(form_value);
	dest.innerHTML = 'Show ' +src.innerHTML;
}
function show_intervals (Intervals) {
	for (var i=0;i<Intervals.length;i=i+2) {
		src = document.getElementById(Intervals[i]);
		src.innerHTML = Intervals[i+1];
	}
}
function show_fingering (Fingering) {
	for (var i=0;i<Fingering.length;i=i+2) {
		src = document.getElementById(Fingering[i]);
		src.innerHTML = Fingering[i+1];
	}
}
function show_notes (Note_array) {
	for (var i=0;i<Note_array.length;i=i+2) {
		src = document.getElementById(Note_array[i]);
		src.innerHTML = Note_array[i+1];
	}
}
function DHTMLSound(surl) {
  document.getElementById("dummyspan").innerHTML=
    "<embed src='"+surl+"' hidden=true autostart=true loop=false style='height:0px'>";
}
function DHTMLSoundLoop(surl) {
  document.getElementById("dummyspan").innerHTML=
    "<embed src='"+surl+"' hidden=true autostart=true loop=true style='height:0px'>";
}
function toggleSlide() {
	$('.mover').slideToggle();
};