/**
  * show single note
  */
 function showNote()
 {
     global $lng, $ilCtrl;
     include_once "./Services/Notes/classes/class.ilNoteGUI.php";
     $note_gui = new ilNoteGUI();
     $note_gui->enableTargets();
     include_once "./Services/PersonalDesktop/classes/class.ilPDContentBlockGUI.php";
     $content_block = new ilPDContentBlockGUI();
     $content_block->setContent($note_gui->getPDNoteHTML($_GET["note_id"]));
     $content_block->setTitle($lng->txt("note"));
     $content_block->setColSpan(2);
     $content_block->setImage(ilUtil::getImagePath("icon_note.png"));
     $content_block->addHeaderCommand($ilCtrl->getLinkTargetByClass("ilpersonaldesktopgui", "show"), $lng->txt("selected_items_back"));
     return $content_block->getHTML();
 }