var submenu = "";

function showSubmenu(image) {
    if(document.getElementById(image + "_sm") != null) {
        document.getElementById(image + "_sm").style.display = "";
        submenu = image;
    }
}

function hideSubmenu(image) {
    if(document.getElementById(image + "_sm") != null) {
        submenu = "";
        setTimeout("doHide('" + image + "')", 50);
    }
}

function doHide(image) {
    if(submenu != image) {
        document.getElementById(image + "_sm").style.display = "none";
    }
}
    
function menuDivOver(image) {
    submenu = image;
}

function menuDivOut(current) {
    submenu = "";
    hideSubmenu(current);
}

function submenuOver(menu) {
    menu.className = "submenu_over submenu_over_bg";
}

function submenuOut(menu) {
    menu.className = "submenu submenu_bg";
}