def _get_bookmark_link (self, asset_id):
bookmark = (asset_id, Auth.get_user_id())
ref = urllib.unquote_plus(CTK.request.url)
flag = Bookmark.bookmark_exists (bookmark)
table = CTK.Table ()
table [(1,1)] = CTK.RawHTML('Favorito')
table [(1,2)] = CTK.Checkbox({'name': 'bookmark', 'checked': flag})
submit = '/bookmark/%s;%s' % (asset_id, ref)
form = CTK.Submitter (submit)
form += table
return form
