Template:Dynamic navigation centered

{{{TITLE}}}
{{{CONTENT}}}
Parameter:
  BGCOLOR = colour of the heading of the navigation box
  TITLE   = heading of the navigation box
  CONTENT = contents of the navigation box.  Use &#124; to separate links.
            It is not possible to include a pipe ("|") in the contents
            as this symbol is used to separate parameters.
  SMALLCONTENT = OPTIONAL. as per CONTENT but produces 90% fontsize
  WIDTH   = Optional parameter to limit width
  EXT     = Optional extensions [space separated list. case-sensitive] so far only NavOnce
      EXT=NavOnce    =    only allow one navbox with this extension visible at a time (closes other one's)