(function(){
    var btn = document.getElementById('loadmore');

    if(btn) loadMore();

    function loadMore(){
        var btn_text = btn.textContent;

        btn.addEventListener('click', function(){
            btn.disabled = true;
            btn.textContent = 'Load...';
            var request = new XMLHttpRequest();
            request.open('POST', ajaxurl+'?action=loadmore&query='+true_posts+'&page='+current_page, true);
            request.send();
            request.onload = function() {
                if (request.status >= 200 && request.status < 400) {
                    var resp = request.responseText;
                    if( resp && resp !== '0') {
                        var div = document.createElement("div");
                        div.innerHTML = resp;
                        while ( div.firstChild ) {
                            var item = div.removeChild( div.firstChild );
                            btn.parentNode.parentNode.insertBefore(item, btn.parentNode);
                        }
                        if (current_page == (max_pages) )  btn.parentNode.style.display = 'none';// если последняя страница, скрываем кнопку
                        current_page++; // увеличиваем номер страницы на единицу
                        btn.textContent = btn_text;
                        btn.disabled = false;
                    } else {
                        btn.parentNode.style.display = 'none';
                        console.log('No response...');
                    }

                } else {
                    // We reached our target server, but it returned an error
                    console.log('Error...');
                }
            };
            request.onerror = function() {
                // There was a connection error of some sort
                console.log('Connection Error...');
            };
        });
    }
})();
var buttonMenu = document.querySelector('#nav-icon'),
    menuAdapt = document.querySelector('#menu-top');

    buttonMenu.addEventListener('click', function(){
        buttonMenu.classList.toggle('open');
        menuAdapt.classList.toggle('open');
});

document.addEventListener("DOMContentLoaded", up_button);
function up_button() {
    var up_button = document.getElementById('up_button');

    window.onscroll = function () {
        var scrolled = window.pageYOffset || document.documentElement.scrollTop;
        var h = window.innerHeight;
        if (scrolled > 0.2 * h) {
            up_button.style.opacity = "1";
            up_button.style.cursor = "pointer";
            up_button.addEventListener('click', to_top)
        }
        else {
            up_button.style.opacity = "0";
            up_button.style.cursor = "inherit";
            up_button.removeEventListener('click', to_top)
        }
    };

    function to_top() {
        var start = Date.now();
        var timer = setInterval(function () {
            var timePassed = Date.now() - start;
            var time = 5000;
            var scrolled = window.pageYOffset || document.documentElement.scrollTop;
            if (timePassed >= time || scrolled <= 0) {
                clearInterval(timer);
                return;
            }
            up(timePassed, time, scrolled);
        }, 10);

        function up(timePassed, time, scrolled) {
            if (scrolled > 0) {
                var x = scrolled - (scrolled * timePassed / (2 * time));
                window.scrollTo(0, x);
            }
        }
    }
}

function loadGame() {
    var e = document.getElementById("js_game");
    e && function () {
        var t = e.getElementsByTagName("span")[0];
        t && t.addEventListener("click", function n() {
            var slImg = document.querySelectorAll('#js_game img')[0];
            slImg.parentElement.removeChild(slImg);
            var i = document.createElement("iframe"), a = e.getAttribute("data-game");
            i.setAttribute("src", a);
            i.setAttribute("scrolling", 'no');
            t.removeEventListener("click", n);
            e.innerHTML = "";
            e.appendChild(i)
        })
    }()
}
loadGame();