function fcOverCSS(pNum) {
    document.getElementById('Menu_'+ pNum).className = 'menu-swap'+ pNum;          
}

function fcOutCSS(pNum) {
    document.getElementById('Menu_'+ pNum).className = 'item'+ pNum;
}

function fcMenu() {
    at_attach("Menu_1", "Podmenu_1", "hover", "y", "pointer");
    at_attach("Menu_2", "Podmenu_2", "hover", "y", "pointer");
    at_attach("Menu_3", "Podmenu_3", "hover", "y", "pointer");
    at_attach("Menu_4", "Podmenu_4", "hover", "y", "pointer");
    at_attach("Menu_5", "Podmenu_5", "hover", "y", "pointer");
}

function at_show_aux(parent, child) {
    var p = document.getElementById(parent);
    var c = document.getElementById(child );
  
    var top  = (c["at_position"] == "y") ? p.offsetHeight-1 : 0;
    var left = (c["at_position"] == "x") ? p.offsetWidth+2 : 7;
  
    for (; p; p = p.offsetParent) {
        top  += p.offsetTop;
        left += p.offsetLeft;
    }
  
    c.style.position   = "absolute";
    c.style.top        = top +'px';
    c.style.left       = left+'px';
    c.style.visibility = "visible";
}

function at_show() {
    var p = document.getElementById(this["at_parent"]);
    var c = document.getElementById(this["at_child" ]);
  
    at_show_aux(p.id, c.id);
    clearTimeout(c["at_timeout"]);
}

function at_hide() {
    var p = document.getElementById(this["at_parent"]);
    var c = document.getElementById(this["at_child" ]);
  
    c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 100);
}

function at_click() {
    var p = document.getElementById(this["at_parent"]);
    var c = document.getElementById(this["at_child" ]);
  
    if (c.style.visibility != "visible") at_show_aux(p.id, c.id); else c.style.visibility = "hidden";
    return false;
}

function at_attach(parent, child, showtype, position, cursor) {
    var p = document.getElementById(parent);
    var c = document.getElementById(child);
  
    p["at_parent"]     = p.id;
    c["at_parent"]     = p.id;
    p["at_child"]      = c.id;
    c["at_child"]      = c.id;
    p["at_position"]   = position;
    c["at_position"]   = position;
  
    c.style.position   = "absolute";
    c.style.visibility = "hidden";
  
    if (cursor != undefined) {
        p.style.cursor = cursor;
    }
  
    switch (showtype) {
        case "click":
          p.onclick     = at_click;
          p.onmouseout  = at_hide;
          c.onmouseover = at_show;
          c.onmouseout  = at_hide;
          break;
        case "hover":
          p.onmouseover = at_show;
          p.onmouseout  = at_hide;
          c.onmouseover = at_show;
          c.onmouseout  = at_hide;
          break;
    }
}