These files are referenced from the Sidebar html:

  * skin/fleck_icon.png
  * skin/arrow_open.gif
  * skin/arrow_close.gif
  * skin/gradient_list_hr.gif
  * skin/gradient_list.gif
  * skin/note.gif
  * skin/fleck_icon_active.png
  * skin/bottom_back.png
  * skin/top_back.png