Example HTML <select id="options" name="options"> <option value="1">option 1</option> <option value="2">option 2</option> <option value="3" selected="selected">option 3</option> <option value="4">option 4</option> </select> JavaScript new Autocompleter.SelectBox('options'); CSS div.autocomplete { position:absolute; width:400px; background-color:white; border:1px solid #ccc; margin:0px; padding:0