Can you please have a closer look at this source as I don't get any result after submit. Thank you.
<script type="text/JavaScript">
function reset() {
document.city.citysearch.value = "";
return true;
}
</script>
<form name='city' action='airport.php' method='post'
target='result' onsubmit='return reset()'
>
<input name="citysearch" type="text"
placeholder="Name of the city" size="18">
<input type="hidden" name="submit" value="search">