send_letter_color = function(name, string_color, scroll_color, blink)
    local color_table = {"blue", "golden", "green", "purple"};

    local string_type = string.format("%s%s,ex", table_is_in(color_table, string_color) and string_color or "", blink and "blink," or "");
    local scroll_type = string.format("scroll_open%s.tga", table_is_in(color_table, scroll_color) and string.format("_%s", scroll_color) or "");

    return send_letter_ex(name, string_type, scroll_type);
end -- function