window.addEvent('domready', function() 
{
	// transpose
	if($('transposeSelector') && $('resetTransp'))
	{
		$('transposeSelector').addEvent('change', function(e)
		{
			window.location.href = $('resetTransp').href + this.value + "/";
		});
	}
	
	// toggle chords
	var chordsOn = false;
	
	if($('toggleChords'))
	{
		$('toggleChords').addEvent('click', function(e)
		{
			new Event(e).stop();
			
			$$('span.chord').each(function(item, index)
			{
				if(!chordsOn)
				{
					item.addClass('hide');
				}
				else
				{
					item.removeClass('hide');
				}
			});
			
			$('toggleChords').innerHTML = chordsOn ? "Hide Chords" : "Show Chords";
			chordsOn = !chordsOn;
		});
	}
	
	// print
	if($('printTab'))
	{
		$('printTab').addEvent('click', function(e)
		{
			new Event(e).stop();
			window.print();
		});
	}
});