https://izhevsk.ru/icons2/js/button.js

1jQuery(function($) {
2    var topLink = $('#top-link');
3    var bottomLink = $('#bottom-link');
4    $(window).scroll(function() {
5        if ($(window).scrollTop() >= 1) {
6            topLink.fadeIn(300);
7        } else {
8            topLink.fadeOut(300);
9        }
10 /*       if ($(window).scrollTop() < $(window).height()-600) {
11            bottomLink.fadeIn(300);
12        } else {
13            bottomLink.fadeOut(300);
14        }*/
15    });
16    topLink.click(function(e) {
17        $("body,html").animate({scrollTop: 0}, 500);
18        return false;
19    });
20    bottomLink.click(function() {
21        $('body,html').animate({scrollTop: $(document).height()}, 500);
22        return false;
23    });
24});
25function open_modal_login() {
26	$('.modal_login').show(0);
27	$.cookie('goto', window.location.href.replace(/\/static/gi,''), { expires: 300, path: '/' });
28	document.getElementById("username").focus();
29	return false;
30}
31$(document).ready(function(){
32	$('.m_log_close_btn').click(function(){
33		$('.modal_login').hide(0);
34	});
35});