Replacing FCKEditor with CKEditor on CMS Portal

include("FCKEditor/fckeditor.php") ;

echo "<tr>
           <td width=\"100%\" colspan=\"2\" $tdreg>";
             $oFCKeditor = new FCKeditor('content') ;
             $oFCKeditor->BasePath = 'FCKEditor/';
             $oFCKeditor->Value = "ScriptsPal page content...";
             $oFCKeditor->Create() ;
   echo "</td>
            </tr>";