Боковая панель, разные хуки под разные стили.

[Fisana 700]

Тогда

<a href='{parse url="app=forums&module=extras&section=toggle&secure_key={$this->member->form_hash}" base="public"}' id='open_sidebar' class='sidebar_toggle rounded' <if test="sidebarclosed:|:IPSCookie::get('hide_sidebar') == '1'">style='display: none'</if>><img src='{$this->settings['img_url']}/sidebar_open.png' alt='{$this->lang->words['sidebar_open']}' /></a>

замените на

<a href='{parse url="app=forums&module=extras&section=toggle&secure_key={$this->member->form_hash}" base="public"}' id='close_sidebar'  class='sidebar_toggle rounded' <if test="sidebaropen:|:IPSCookie::get('hide_sidebar') != '1'">style='display: none'</if>><img src='{$this->settings['img_url']}/sidebar_close.png' alt='{$this->lang->words['sidebar_close']}' /></a>