https://faceandcare.ru/wp-content/themes/root-faceandcare/triplex.js?ver=1531124410

1jQuery(function($) {
2	$(window).load(function(){
3		var isTriplex = false;
4		var topTriplex = 0;
5		var footer = 200;
6		var area = [];
7		function initTriplex() {
8			if ( $(".triplex").length != 1 ) return;
9			if ( $(window).innerWidth() < 980 ) return;
10			$(".triplex").css('width', $(".triplex").width());
11			isTriplex = true;
12			topTriplex = $(".triplex").offset().top;
13			var space = ( ( $("body").height() - topTriplex - $(window).height() - footer ) / $(".triplex > div ").length );
14			for ( var i=0; i < $(".triplex > div ").length; i++ ) {
15				area[i] = topTriplex + space * i;
16			}
17			area[i] = $("body").height();
18			$(".triplex").css({'top':'0'});
19			$(".triplex > div:eq(0)").show().siblings('div').hide();
20		}
21		function scrollTriplex() {
22			var position = $(document).scrollTop();
23
24			if ( position >= area[0] ) {
25				$(".triplex").addClass('fixed-t').css({'position':'fixed'});
26			}
27			else if ( $(".triplex").hasClass('fixed-t') )  {
28				$(".triplex").css({'position':'relative'}).removeClass(('fixed-t'));
29			}
30
31			for ( var i = 0; i < area.length; i++ ) {
32				if ( position >= area[i] && position < area[i+1] ) {
33					$(".triplex > div:eq(" + i + ")").fadeIn().siblings('div').hide();
34				}
35			}
36
37			var offset = $('body').height() - position - $(window).innerHeight() - footer;
38			$(".triplex").css({'top':Math.min(0, offset)});
39
40		}
41		initTriplex();
42		if ( isTriplex ) {
43			$('body').scroll(function () { scrollTriplex(); });
44			$(document).scroll(function () { scrollTriplex(); });
45		}
46	});
47});