https://www.moviequotes.com/static/js/fc/ui/sticky_banner.min.js?e0f9a179

1define("fc/ui/sticky_banner", ['jquery', 'fc/utils', 'setup'], function ($, fc_utils) {
2	var module = {};
3	
4	module.sidebar = (function() {
5		var threshold = null;
6		var max_threshold = null;
7		var vertical_middle_offset;
8		var $sticky;
9		
10		function _computeSticky() {
11			var w_height = $(window).height();
12			var min_offset_top = $(".navbar-header").height();
13			
14			if (w_height - min_offset_top < $sticky.height()) {
15				threshold = null;
16				max_threshold = null;
17				return;
18			}
19			
20			vertical_middle_offset = ((w_height - $sticky.height()) / 2);
21			vertical_middle_offset = Math.max(vertical_middle_offset, min_offset_top);
22			
23			threshold = $('.adsense-sticky-slide').offset().top - vertical_middle_offset;
24			
25			max_threshold = $("#sidebar").offset().top + $("#sidebar").height() - (w_height - vertical_middle_offset);
26		}
27		
28		function _setSticky() {
29			var currentScrollTop = $(window).scrollTop();
30			
31			if (threshold && currentScrollTop > threshold) {
32				$('.adsense-sticky-wrapper').addClass('adsense-sticky-attach');
33				$sticky.css('top', vertical_middle_offset);
34				
35				if (max_threshold && currentScrollTop > max_threshold) {
36					$('.adsense-sticky-wrapper').addClass('adsense-sticky-attach-end');
37				}
38				else {
39					$('.adsense-sticky-wrapper').removeClass('adsense-sticky-attach-end');
40				}
41			}
42			else {
43				$('.adsense-sticky-wrapper').removeClass('adsense-sticky-attach');
44				$('.adsense-sticky-wrapper').removeClass('adsense-sticky-attach-end');
45				$sticky.css('top', 0);
46			}
47		}
48		
49		function _bind() {
50			fc_utils.responsive.respondOnDocumentResize();
51			
52			$(document).on('window_resize, document_resize', $('body'), function() {
53				_computeSticky();
54				_setSticky();
55			});
56		
57			$(window).scroll(function() {
58				_setSticky();
59			});
60		}
61		
62		function init() {
63			if ($('#sidebar').is(':visible') && $('#sidebar .adsense .banner-sticky').length > 0) {
64				$('#sidebar').addClass('adsense-sticky');
65					
66				if ($("#content").height() > $("#sidebar").height()) {
67					$('#sidebar').addClass('adsense-sticky-active');
68					
69					// animate only last banner
70					$sticky = $('#sidebar .adsense .banner-sticky').last();
71					
72					$('.adsense-sticky-wrapper').width($sticky.closest('.adsense').width());
73					
74					_bind();
75					
76					_computeSticky();
77					_setSticky();
78				}
79				else {
80					$('#sidebar').removeClass('adsense-sticky');
81				}
82			}
83		}
84			
85		return {
86			'init': init
87		};
88	})();
89	
90	return module;
91});