function show_search_input()
{
    if( $("#ext_menu__search_input").css("display") == "none" )
    {
        $("#top_line_menu table tr td:not(#ext_menu__search):not(#ext_menu__registration):not(#ext_menu__enter):not(.ext_menu__orange_spacer)").hide();
        $("#ext_menu__search_input").show();
        $("#ext_menu__search_buttons").show();
        $("#search_field").focus();
    }
    else
    {
        $("#search_form").submit();
    }
}

function hide_search_input()
{
    $("#top_line_menu table tr td:not(#ext_menu__search)").show();
    $("#ext_menu__search_input").hide();
    $("#ext_menu__search_buttons").hide();
}