Mine

<?php

	// ----------------------------------------------------------->
	// Select a Random Article
	// ----------------------------------------------------------->

	if (!$Path)
		{
			$Path = dirname(__FILE__);
		}

	$dir = opendir($Path."/");
	$arrFiles = array();

	while (($part = @readdir($dir)) == true)
		{
			$arrFiles[] = $part;
		}

	$rndKey = rand(0,sizeof($arrFiles)-1);
	require_once($Path."/".$arrFiles[$rndKey]);
?>