<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String username = (String) session.getAttribute("username") ;
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="Img/style.css" type="text/css">
<title>:: MD5 Testing</title>
</head>
<body>
<div class = "divheader"><a href="register.jsp"><span class = "spanregister"><% if (username != null) {%>Chào, <%= username %> <% } %></span></a></div>
</body>
</html>