var menuToHide;
var openMenu;

function showPopupMenu(menuBar, menu)
{
    if (openMenu != menu & openMenu != null)
    {
      openMenu.style.display = "none";
    }
	menu.style.display = "";
	menuToHide = null;
	openMenu = menu;
}

function hidePopupMenu(menu)
{
    menuToHide = menu;
    setTimeout("hidePopupMenuNow()",100)
}

function hidePopupMenuNow()
{
    if (menuToHide != null)
    {
       menuToHide.style.display = "none";
    }
}