/**
  * Returns the root icon for a tree/mountpoint (defaults to the globe)
  *
  * @param	array		Record for root.
  * @return	string		Icon image tag.
  */
 function getRootIcon($row)
 {
     global $BACK_PATH;
     if ($this->rootIcon) {
         $icon = '<img' . t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'], $this->rootIcon, 'width="18" height="16"') . ' alt="" />';
         $icon = $this->wrapIcon($icon, $row);
     } else {
         $icon = parent::getRootIcon($row);
     }
     $this->rootIconIsSet = true;
     return $icon;
 }