5 // fix sub nav on scroll
9 navHeight = $('.navbar').first().height(),
10 subnavHeight = $('.subnav').first().height(),
11 subnavTop = $('.subnav').length && $('.subnav').offset().top - navHeight,
12 marginTop = parseInt($body.css('margin-top'), 10);
17 $win.on('scroll', processScroll);
19 function processScroll() {
20 var i, scrollTop = $win.scrollTop();
22 if (scrollTop >= subnavTop && !isFixed) {
24 $nav.addClass('subnav-fixed');
25 $body.css('margin-top', marginTop + subnavHeight + 'px');
26 } else if (scrollTop <= subnavTop && isFixed) {
28 $nav.removeClass('subnav-fixed');
29 $body.css('margin-top', marginTop + 'px');