Miscellany

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>
<head>
	<title>test</title>
	<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
	
	<script type="text/javascript">
		window.onunload = function()
		{
			var x = new Image;
			x.src = "xpic.php";
		}
	</script>
</head>

<body>
	<div>
		<?php
			$x = 0;
			
			$f = fopen("piccount.txt", "r");
			if ($f)
			{
				$x = fgets($f);
				fclose($f);
			}
			
			echo "Pic count: $x";
		?>
	</div>
</body>
</html>



------------
xpic.php
------------

<?php
	$f = fopen("piccount.txt", "r");
	if ($f)
	{
		$x = fgets($f);
		fclose($f);
	}
	
	$x++;
	
	$f = fopen("piccount.txt", "w");
	fwrite($f, $x);
	fclose($f);
?>