<? 

require("server.inc");

$input_vars = array('d','p','ad');


foreach($input_vars as $i=>$v)
{
  $$v = preg_replace('/[^a-z\d ]/i', '', $_GET[$v]);
}

if($p==""){
  $src = "images/logo.gif";
  $mimetype = "image/gif";
} else {
  $src = "images/$d/$p.jpg";		
  $mimetype = "image/gif";
}

if($ad!=""){
  $src = "upload/class/$ad";
  $mimetype = exif_imagetype(serverpath . $src);
}

$openit = serverpath . $src;
  
if(!file_exists($openit)){
  $openit= serverpath . "images/logo.gif";
  }

$fint=fopen($openit,"rb");

header("Content-Type: $mimetype");

@fpassthru($fint);	
	
?>