var m_to_s = 500;
var m_closemenu_to = null;
var opened_menu_id = null;
function dd_openMenu(id,elem) {
    dd_cancelMenuTO();
    if (opened_menu_id != null) {
        document.getElementById('menu'+opened_menu_id).style.display='none';
    }
    opened_menu_id = id;
    var sm = document.getElementById('menu'+opened_menu_id);
    var pos = getPosition(elem);
    sm.style.top = ((pos.y)+25)+'px';
    sm.style.left = ((pos.x)+2)+'px';
    sm.style.display = 'block';
    var arrow = document.getElementById('headerArrow');
    arrow.style.top = (pos.y+16)+'px';
    arrow.style.left = (pos.x+25)+'px';
    arrow.style.display = 'block';
}
function dd_closeMenuFinal() {
    document.getElementById('menu'+opened_menu_id).style.display='none';
    document.getElementById('headerArrow').style.display='none';
    opened_menu_id = null;
}
function dd_closeMenu() {
    m_closemenu_to = window.setTimeout(dd_closeMenuFinal, m_to_s);
}
function dd_cancelMenuTO() {
    if (m_closemenu_to) {
        window.clearTimeout(m_closemenu_to);
        m_closemenu_to = null;
    }
}