function ShowSubMenu(tdMenuItem)
{
    if(tdMenuItem.className == "TdMenuItmS")
        tdMenuItem.className = "TdMenuItmSH";
    else if(tdMenuItem.className == "TdMenuItm")
        tdMenuItem.className = "TdMenuItmH";
    else if(tdMenuItem.className == "TdMenuBarItm")
        tdMenuItem.className = "TdMenuBarItmH";
    else if(tdMenuItem.className == "TdMenuBarItmS")
        tdMenuItem.className = "TdMenuBarItmSH";

    for(i = 0; i < tdMenuItem.childNodes.length; i++)
    {
        if(tdMenuItem.childNodes[i].className == "TblFlyHide")
        {
            tdMenuItem.childNodes[i].className = "TblFlyShow";
            break;
        }
    }
} // end function ShowSubMenu
   

function HideSubMenu(tdMenuItem)
{
    if(tdMenuItem.className == "TdMenuItmSH")
        tdMenuItem.className = "TdMenuItmS";
    else if(tdMenuItem.className == "TdMenuItmH")
        tdMenuItem.className = "TdMenuItm";
    else if(tdMenuItem.className == "TdMenuBarItmH")
        tdMenuItem.className = "TdMenuBarItm";
    else if(tdMenuItem.className == "TdMenuBarItmSH")
        tdMenuItem.className = "TdMenuBarItmS";

    for(i = 0; i < tdMenuItem.childNodes.length; i++)
    {
        if(tdMenuItem.childNodes[i].className == "TblFlyShow")
        {
            tdMenuItem.childNodes[i].className = "TblFlyHide";
            break;
        }
    }
} // end function HideSubMen