<input type="text" id="CityAjax" value="" class='input' /> 
   	<input type="hidden" id="CityAjaxValue" value="" />

    <input type="button" class='submit' value='Use Selected City &raquo;' onclick="selectCity();"/>
<script type="text/javascript" language="javascript">
$("#CityAjax").autocomplete("citylist.php", {
		width: 260,
		selectFirst: false,
		max: 50,
		autoFill: false
	}).result(function(event, data, formatted) {
		if (data)
		{
			var u = data[1];
			$("#CityAjaxValue").val(u);
		}
	});

function findValue(li) { alert(li.extra[0]); $("#CityAjaxValue").val(li.extra[0]); }

function selectCity()
{
	if ($("#CityAjaxValue").val())
		window.location = "index.php?find&city="+$("#CityAjaxValue").val();
	else
		alert("Please select a city.");
}

</script>