Undefined variables

In this little script:- <?php #This script has been developped by Nenad Motika [nmotika@bezveze.com] #Please feel free to use it and to contact me for any reason session_start(); //read folder $folder=opendir("."); while ($file = readdir($folder)) $names[count($names)] = $file; // <----- Line 8 closedir($folder); //sort file names in array sort($names); //remove any non-images from array $tempvar = $i = 0;

for ($i=0;$names[$i];$i++) {    // <----- Line 14

$ext=strtolower(substr($names[$i],-4)); if ($ext==".jpg"||$ext==".gif"||$ext=="jpeg"||$ext==".png") {

       $names1[$tempvar]=$names[$i];
       $tempvar++;
       }

} $Count = $_SESSION['Picture']; --$Count;

//        echo 'Count = '.$Count.'  $tempvar = '.$tempvar;

if ($Count == 0) {

       $Count = $tempvar-1;
       }

$_SESSION['Picture'] = $Count; $slika=$names1[$Count]; //image dimensions $dimensions = GetImageSize($slika); if (isset($HTTP_GET_VARS["pic"])){header ("Location: $slika");} else {echo "<img src=\"$slika\" $dimensions[3]>";} ?> I keep getting:- [Fri Sep 08 17:04:57 2006] [error] [client 127.0.0.1] PHP Notice: Undefined variable: names in C:\\Program Files\\Apache Software Foundation\\Apache2.2\\htdocs\\events\\adverts\\ridtoo.php on line 8, referer: http://localhost/events/rotate.shtml [Fri Sep 08 17:04:57 2006] [error] [client 127.0.0.1] PHP Notice: Undefined offset: 13 in C:\\Program Files\\Apache Software Foundation\\Apache2.2\\htdocs\\events\\adverts\\ridtoo.php on line 14, referer: http://localhost/events/rotate.shtml Please tell me what evil I have committed to cause this? -- Regards, Alf Stockton www.stockton.co.za Lay on, MacDuff, and curs'd be him who first cries, "Hold, enough!". -- Shakespeare My email disclaimer is available at www.stockton.co.za/disclaimer.html