// JavaScript Documen
function showNavSection() {
    var subMenu = document.getElementById('subDiv');
    subMenu.style.visibility = "visible";
}

function secDirect(secLink) {
    window.location.assign("section.php?id="+secLink);
}

function secOverDirect(thisDiv) {
    thisDiv.style.background = "#e1e1e1";
}
function secOutDirect(thisDiv) {
    thisDiv.style.background = "#ffffff";
}

function hideNavSection() {
    var subMenu = document.getElementById('subDiv');
    subMenu.style.visibility = "hidden";
}