$("#photo_index").justifiedGallery({ rowHeight:300, lastRow: 'nojustify', margins: 5 }); $(window).scroll(function () { if ($(window).scrollTop() >= 60) { $('#nav_bar').addClass('navbar-fixed'); } if ($(window).scrollTop() < 61) { $('#nav_bar').removeClass('navbar-fixed'); } var scrollTop = $(document).scrollTop(); var windowHeight = $(window).height(); var bodyHeight = $(document).height() - windowHeight; var scrollPercentage = (scrollTop / bodyHeight); if(scrollPercentage > 0.9) { addPhotos(offset); offset = offset + 20; $('#photo_index').justifiedGallery('norewind'); } setTimeout(function() {}, 1000); }); --- */}}