function SetBoxText($show) {
    var X = document.getElementById("box_text");
    var Y = document.getElementById("title_" + $show);

    X.innerHTML = Y.innerHTML;

    $hide = "show_a";
    if ($show == "show_a") $hide = "show_a";
    $hide = "show_b";
    if ($show == "show_b") $hide = "show_b";
    $hide = "show_c";
    if ($show == "show_c") $hide = "show_c";
    $hide = "show_d";
    if ($show == "show_d") $hide = "show_d";
    $hide = "show_e";
    if ($show == "show_e") $hide = "show_e";
    $hide = "show_f";
    if ($show == "show_f") $hide = "show_f";
    $hide = "show_g";
    if ($show == "show_g") $hide = "show_g";
    $hide = "show_h";
    if ($show == "show_h") $hide = "show_h";

    with (document.getElementById("title_" + $hide).style) {
      backgroundColor = "#DFDFDF";
      color = "black";
    }
    
    return true;
}