body css

body css

Why doesn't the alert show #FF0000 (in fact it shows nothing):

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>Dummy HTML Page</title>
<script type="text/javascript" src="./Javascript/jquery-1.3.2.js">/script>
<script type="text/javascript">
   $(document).ready(function(){
        alert($('body').css('border-color'));
   });      
</script>
<style type="text/CSS">
   body {border: 5px solid #FF0000;}
</style>
</head>
<body>
</body>
</html>


Thanks,

JAS