// JScript File

function getPageName() {
    var url = document.URL.split('/')
    var page = url[url.length - 1]
    return page.split('.')[0]
}

function setActiveMenuItem() {
    var nav_item = document.getElementById("nav_" + getPageName());
    if(nav_item) {
        nav_item.className = "active"
    }  
}

function init() {
    setActiveMenuItem();
}

window.onload = init;