на самом деле сложно найти wysiwyg редактор, который при переключении html->plain не портил бы htmlотключить можно закомментировав/удалив
<script type="text/javascript" src="view/javascript/ckeditor/ckeditor.js"></script>
<script type="text/javascript"><!--
<?php foreach ($languages as $language) { ?>
CKEDITOR.replace('description<?php echo $language['language_id']; ?>', {
filebrowserBrowseUrl: 'index.php?route=common/filemanager&token=<?php echo $token; ?>',
filebrowserImageBrowseUrl: 'index.php?route=common/filemanager&token=<?php echo $token; ?>',
filebrowserFlashBrowseUrl: 'index.php?route=common/filemanager&token=<?php echo $token; ?>',
filebrowserUploadUrl: 'index.php?route=common/filemanager&token=<?php echo $token; ?>',
filebrowserImageUploadUrl: 'index.php?route=common/filemanager&token=<?php echo $token; ?>',
filebrowserFlashUploadUrl: 'index.php?route=common/filemanager&token=<?php echo $token; ?>'
});
<?php } ?>
//--></script>