https://bugs.winehq.org/show_bug.cgi?id=38191
--- Comment #1 from Joel Holdsworth joel@airwebreathe.org.uk --- Fortunately CloudFlare no longer blocks wine iexplore, so http://jqueryui.com can be accessed directly.
On Wine v2.9, some of the widgets are working e.g. Accordion, Autocomplete, Button, Controlgroup.