A JavaScript selectbox library.
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/path/to/libs/jquery.min.js"></script>
<script type="text/javascript" src="'/path/to/libs/selectbox.min.js"></script>
</head>
<body>
<select id="example1" class="default" name="example1">
<option value="day">Day</option>
<option value="night">Night</option>
</select>
<select id="example2" class="default" name="example2">
<option value="left">Left</option>
<option value="right">Right</option>
</select>
<script>
$('#example1, #example2').selectbox();
</script>
</body>
</html>