$(document).ready(function() {

	//hide the transcript on load
	$(".sf-comments").hide();
	//append the link to the document
	$('.sf-comments').before('<p><a class="show-hide" href="#">Show Commentary</a></p>');
	
	
	//toggle show/hide link
	$('a.show-hide').toggle(
		function() {
			$(this.parentNode.nextSibling).show('slideDown');
			$(this).html('Hide Commentary');
		},
		function() {
			$(this.parentNode.nextSibling).hide('slideUp');
			$(this).html('Show Commentary');
		}
	);
});