jQuery: Even and odd classes for series of divs

<html>
	<head>
		<style>
			.odd {
				height: 5px;
				background: #960;
			}
			.even {
				height: 5px;
				background: #09C;
			}
		</style>
		<script src="js/jquery-1.7.1.min.js"></script>
		<script type="text/javascript">
			$(document).ready(function() {
				$('div:odd').addClass('odd');
				$('div:even').addClass('even');
			})
		</script>
	</head>
	<body>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
	</body>
<html>