header.php at Simple template usage

<!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" />
    <title>Simple template usage</title>
  </head>
  <body>
    <p>This is the header</p>
    <p>
      <a href="index.php?load=Home">Home</a>
      <a href="index.php?load=Contact">Contact</a>
      <a href="index.php?load=Archive">Archive</a>
    </p>
    <hr>