MisteriusScrollSave

// ==UserScript==
// @name     MisteriusScrollSave
// @author   Nizax
// @include  http://gg.misterius.pl/gg/*
// @version  1.0
// @namespace MisteriusScrollSave
// @description Adds gg.misterius.pl integration
// ==/UserScript==

(function() {
    'use strict';
    function setCookie(cname, cvalue, exdays) {
        var d = new Date();
        d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
        var expires = "expires="+d.toUTCString();
        document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
    };
    function getCookie(cname) {
        var name = cname + "=";
        var ca = document.cookie.split(';');
        for(var i = 0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) == ' ') {
                c = c.substring(1);
            }
            if (c.indexOf(name) == 0) {
                return c.substring(name.length, c.length);
            }
        }
        return "";
    };
    let elem = document.getElementsByClassName('conversations-container')[0];
    let skroll;
    if(getCookie('misteriusSkroll')==''){
        skroll = 0;
        setCookie('misteriusSkroll', '0', 999);
    }else{
        skroll = parseInt(getCookie('misteriusSkroll'));
    };
    window.onload = function(){
        elem.scrollTo(0,skroll);
    };
    elem.onclick = function(){
        skroll = elem.scrollTop;
        setCookie('misteriusSkroll', skroll, 999);
    };
    elem.onmouseleave = function(){
        skroll = elem.scrollTop;
        setCookie('misteriusSkroll', skroll, 999);
    };
})();