document.observe("dom:loaded", function() { 
	if($('chord_chart_font')) {
		Event.observe($('chord_chart_font'), 'change', function() { 
			$('chord_chart_chart').style.fontFamily = $F('chord_chart_font');
		});
		$('chord_chart_chart').style.fontFamily = $F('chord_chart_font');
	}
});