window.addEventListener('load', function() {
    var links = document.getElementById("links").children[0].children;
    var home = document.getElementsByClassName("home");
    var directions = [];
    for(var i = 0; i < links.length - 1; i++) {
        directions.push(links[i]);
    }
    for(var i = 0; i < home.length; i++) {
        directions.push(home[i]);
    }
    var menu = document.getElementById("menu");
    var menuLoc = parseInt(getComputedStyle(menu).getPropertyValue("top"));

    for(var i = 0; i < directions.length; i++) {
        directions[i].children[0].onclick = function(event) { 
            event.preventDefault();
            var node = event.currentTarget;
            if(menuLoc != 10) {
                menuLoc = 0;
                menu.setAttribute("class", "top");
                window.history.pushState("object or string", "Title", node.href);
            } else {
                window.history.pushState("object or string", "Title", node.href);
            }
        };
    }
}, false);