<?php
function c($files) {
	$active = false;
	$basename = basename($_SERVER['PHP_SELF']);
	$basename != '' || $basename = 'index.php';
	$files = explode(' ', $files);
	foreach ($files as $file) {
		$active = $active || ($basename == $file);
	}
	return  $active ? ' class="active"' : '';
}
$projects = 'projects.php projects2.php';
?>
<div id="header">
  <ul id="nav">
    <li><a href="index.php"<?=c('index.php');?>>HOME</a></li>
    <li><a href="about.php"<?=c('about.php');?>>ABOUT</a></li>
    <li><a href="projects.php"<?=c($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>