UI sortable demo is broken

UI sortable demo is broken


You can drag the items around but they do not change position to each
other. Also the buttons do not work
$("#example1").sortableEnable is not a function
http://dev.jquery.com/view/trunk/ui/current/demos/ui.sortable.html
Line 1
$("#example1").sortableDisable is not a function
http://dev.jquery.com/view/trunk/ui/current/demos/ui.sortable.html
Line 1