$ (...). Autocomplete bukan fungsi
<link href="http://code.jquery.com/ui/1.10.2/themes/smoothness/jquery-ui.css" rel="Stylesheet"></link>
<script src='https://cdn.rawgit.com/pguso/jquery-plugin-circliful/master/js/jquery.circliful.min.js'></script>
<script src="http://code.jquery.com/ui/1.10.2/jquery-ui.js" ></script>
Brainy Badger