Disabling toolbar items/removing FCKeditor instances dynamic

http://www.fckeditor.net/forums/viewtopic.php?f=6&p=18641

function doSave()
{
      ....
      ....
      ....
      document.managePagesForm.submit();
}

function FCKeditor_OnComplete( editorInstance )
{
   editorInstance.LinkedField.form.onsubmit = doSave;
}

document.managePagesForm.submit();