jQueryUI 1.8.14 Autocomplete
by Joe Cisneros
HTML
<input type="text" id="auto" />
JavaScript
$("#auto").autocomplete({
source: ['hi', 'bye', 'foo', 'bar'],
minLength: 0
});
$("#auto").bind("focus", function () {
this.value = '';
$(this).autocomplete("search", '');
});