Refs #12851.  Fix CSS class names when show() is called consecutively w/o intervening hide()
Refs #12851.  Fix CSS class names when show() is called consecutively w/o intervening hide()

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@24647 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful