Autocomplete Mishap

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.11/themes/humanity/jquery-ui.css">
Enter query: <input type="text" id="companyListDropDown" />

JavaScript

$(document).ready($(function () {
            $("#settings").button({
                icons: {
                    primary: "ui-icon-gear",
                    secondary: "ui-icon-triangle-1-s"
                },
                text: false
            });
        }));