lib/interpol/documentation_app/public/javascripts/interpol.js
$(document).ready(function() {
$(".nav-list a").click(function() {
var endpointName = $(this).attr("data-endpoint-name");
$('.endpoint-documentation-wrapper').hide();
$('#' + endpointName + '.endpoint-documentation-wrapper').show();
$('ul.nav-list li').removeClass("active");
$(this).parents("ul.nav-list li").addClass("active");
});
});