function ShowMenu(menu) {
    var thisMenu = document.getElementById("subMenu" + menu);
    if (thisMenu != null) {
        thisMenu.style.visibility="visible";
    }
    var thisMenu = document.getElementById("menu" + menu);
    if (thisMenu != null) {
        thisMenu.style.cssText="background-position: 0px 32px; color: #980929;";
    }
    
}

function HideMenu(menu) {
    var thisMenu = document.getElementById("subMenu" + menu);
    if (thisMenu != null) {
        thisMenu.style.visibility="hidden";
    }
    var thisMenu = document.getElementById("menu" + menu);
    if (thisMenu != null) {
        thisMenu.style.cssText="background-position: 0px 0px;";
    }    
}