<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script>
$(function(){
$("a[href^='http://']").attr("target","_blank");
});
</script>
</head>
<body>
<ul>
<li><a href="http://www.yahoo.co.jp/">Yahoo!</a></li>
<li><a href="http://www.google.co.jp/">Google</a></li>
<li><a href="http://jp.msn.com/">MSN</a></li>
<li><a href="http://www.goo.ne.jp/">goo</a></li>
<li><a href="http://www.livedoor.com/">livedoor</a></li>
</ul>
</body>
</html>