<?php

function randomScreenshot ()
{
	$screenshotArray = array();
	$documentRoot = $_SERVER['DOCUMENT_ROOT'];
	$dir = $documentRoot . "/screenshots/images/thumbnails/";
	$App = new App();
	$outputDir = $App->getWWWPrefix() . "/screenshots/images/thumbnails/";	
		if ($dh = opendir($dir))
		{
			$i = 1;
			while (($file = readdir($dh)) != FALSE) {
				if ($file != "." && $file !=".." && $file !="CVS")
				{
					$screenshotArray[$i++] = $file;
				}
			}
			closedir($dh);
		}
	
		$random = rand(1, count($screenshotArray));
		return ($outputDir . $screenshotArray[$random]);
		
		
}

function randomGanymedePromo() {
	$ganymedeArray = array();	
	$documentRoot = $_SERVER['DOCUMENT_ROOT'];
	$dir = $documentRoot . "/ganymede/images/posters/thumb/";
	$outputDir = $App->WWW_PREFIX . "/ganymede/images/posters/thumb/";
		if ($dh = opendir($dir))
		{
			$i = 1;
			while (($file = readdir($dh)) != FALSE) {
				if ($file != "." && $file !=".." && $file !="CVS")
				{
					$ganymedeArray[$i++] = $file;
				}
			}
			closedir($dh);
		}
	$random = rand(1,2);
	if ($random == 1)
		return '<a href="/donate/"><img src="/ganymede/images/ganymede.gif"></a>';
	else {
		$randomPoster = rand(1, count($ganymedeArray));		
		return '<a href="/ganymede/"><img width="160" src="'. $outputDir . $ganymedeArray[$randomPoster].'"/></a>';
	}
}
?>