function show_languages()
{
    var lg_div = document.getElementById("ctl00_hlg_panel");
    if ( lg_div.style.display == "block" )
    {
        lg_div.style.display = "none";
        return;
    }
    if ( lg_div.style.display == "none" )
    {
        lg_div.style.display = "block";
        return;
    }
}
function change_back_color(displ, obj_id)
{
    document.getElementById("ctl00_"+obj_id).style.display = displ;
}