jquery

  <html>  <head>  <style type="text/css">a.test { font-weight: bold; } </style><script type="text/javascript" src="http://code.jquery.com/jquery-svn.js"></script>    <script type="text/javascript">$(document).ready(function(){     // Your code goes here     $("a").click(function(){   			alert("Thanks for visiting!");   			return false; 	}); 	$("a").addClass("test");});    </script>  </head>  <body>    <a href="http://jquery.com/">jQuery</a>  </body>  </html>