- <img src="{$docroot}/doc/plus-12x12.png" width="12" height="12" class="expand"/>
- <img src="{$docroot}/doc/minus-12x12.png" width="12" height="12" class="collapse"/>
+ <img src="{$staticroot}/doc/plus-12x12.png" width="12" height="12" class="expand"/>
+ <img src="{$staticroot}/doc/minus-12x12.png" width="12" height="12" class="collapse"/>