Anonymous

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html>	<head>		<title>Testing JMOL</title>	</head>	<body><?phpif(!isset($_GET['file'])) {	echo '<p>Select a file</p><ul>';	$d = dir('.');	while (($entry = $d->read()) !== false) {		if (preg_match('/\.pdb$/', $entry)) {			echo '<li><a href="index.php?file=', htmlspecialchars($entry), '">',				$entry, '</a></li>';		}	}	echo '</ul>';} else {	$file = $_GET['file'];	if (!preg_match('/^[a-z0-9_.-]+\.pdb$/', $file)) {		echo '<p class="error">Invalid filename passed (hacking attempt?)</p>';	} else if(!file_exists($file)) {		echo '<p class="error">File ',htmlspecialchars($file), ' doesn\'t exist</p>';	} else {?>		<object codetype="application/java-archive" archive="JmolApplet0.jar"			classid="java:JmolApplet" height="400" width="400">			<param name="script" value="load <?php echo htmlspecialchars($file); ?>">			<param name="progressbar" value="true">		</object><?php	}}?>	</body></html>