zork0,
<!DOCTYPE HTML>
<html>
<head>
<title></title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("a[target='_blank']").css({color : "black"});})
</script>
</head>
<body>
<a href="http://javascript.ru" target="_blank">http://javascript.ru</a>
<a href="http://javascript.ru" >http://javascript.ru</a>
</body>
</html>