function ToggleMenu(obj)
{
    var objMenuNode = obj.parentNode.getElementsByTagName("ul")[0];
    //window.alert(obj.nodeName);
    if(objMenuNode.style.display == "" || objMenuNode.style.display == "block")
    {
        objMenuNode.style.display = "none";
    }
    else
    {
        objMenuNode.style.display = "block";
    }
}