Help,A javascript error has occured....

<script type="text/javascript" src="<?php echo $CONFIG->wwwroot; ?>mod/ckeditor/ckeditor/ckeditor.js"></script>
   <script type="text/javascript" src="<?php echo $CONFIG->wwwroot; ?>mod/ckeditor/ckfinder/ckfinder.js"></script>
   
<script language="javascript" type="text/javascript">
      //replace the textarea with ckeditor 
      var editor = CKEDITOR.replace( 'edit_<?php echo $edit_id; ?>',
         {
            toolbar:'Full',
            language:'<?php echo $language; ?>'
         });
      CKFinder.setupCKEditor( editor, 
           { 
              BasePath : '/mod/ckeditor/ckfinder/'
           }); 
</script>