gistfile1.js

$('.pkg-selection').fastClick(function() {

  	var optionsHeight = $('#options').outerHeight();

		// Load appropriate option list

		var content = $(this).attr('id');
		$('#options').load('/components/packagesOptions/' + content + '.html', function(response, status, xhr) {
			if (status == "error") {
				var msg = "Sorry but there was an error: ";
				$('#error').html(msg + xhr.status + " " + xhr.statusText);	
			};
		});

		// Shift canvas to the right to display option list

		$('.canvas__wrap').addClass('canvas__wrap--second');

		// Set height of the parent canvas by finding the height of the options

		$('.canvas').css('height', optionsHeight);

	});