Trigger a hyperlink with keystroke

<html>
<head>
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min.js"></script>
	<script type="text/javascript">
		$(document).ready(function(){
			$("a").click(function(event){
				alert(this.href);
			});
		});
		function test(event){
			if (event.keyCode == 13) {
				$("a").addClass("test");
				$("a.one").trigger('click');
			}
			else {
				$("a").removeClass("test");}
		}
	</script>
	<style type="text/css">
		a.test { font-weight: bold; }
	</style>
</head>
<body onkeypress='test(event)'>
	<a class="one" href="http://jquery.com/">jQuery</a>
	<br/>
	<a class="two" href="http://stackoverflow.com/">stack overflow</a>
</body>
</html>