<?php
function c($section) { return basename($_SERVER['PHP_SELF']) == $section ? ' class="active"' : '';}
$projects = {projects.php, projects2.php, projects-name.php, name-project.php}
?>
<div id="header">
  <ul id="nav">
    <li><a href="index.php"<?=c('index.php');?>>HOME</a></li>
    <li><a href="about.php"<?=c('about.php');?>>ABOUT</a></li>
    <li><a href="projects.php"<?=c('$projects');?>>PROJECTS</a></li>
    <li><a href="irrigation.php"<?=c('irrigation.php');?>>IRRIGATION</a></li>
    <li><a href="news.php" <?=c('news.php');?>>NEWS</a></li>
    <li id="last"><a href="contact.php" <?=c('contact.php');?>>CONTACT</a></li>
  </ul>
  <div id="logo"><a href="index.php"><img src="img/botanical-visions-inc.png" width="213" height="111" alt="Botanical Visions Inc."/></a></div>
</div>