addItem(string $a_title, string $a_value="", string $a_link="", string $a_img="", string $a_alt="", string $a_frame="", string $a_html="", bool $a_prevent_background_click=false, string $a_onclick="", string $a_ttip="", string $a_tt_my="right center", string $a_tt_at="left center", bool $a_tt_use_htmlspecialchars=true, array $a_data=array())