<?php
	$path = $_SERVER['DOCUMENT_ROOT'].$_SERVER['REQUEST_URI'];
	$image = imagecreatefromstring(file_get_contents($path));


	$w = imagesx($image);
	$h = imagesy($image);

	$watermark = imagecreatefrompng('watermark.png');

$ww = imagesx($watermark);
        $wh = imagesy($watermark);

if ($w > 220  or  $h > 310) {


	imagecopy($image, $watermark, $w-$ww, $h-$wh, 0, 0, $ww, $wh);

}

	eregi('\.(gif|jpeg|jpg|png|imgcache|thm)$',$path,$regs);
	switch( $regs[1] ) {
		case 'gif':
			header('Content-type: image/gif');
			imagegif($image);
		break;
		case 'imgcache':
                        header('Content-type: image/jpeg');
                        imagejpeg($image);
                break;
		
		case 'jpg':
		case 'jpeg':
			header('Content-type: image/jpeg');
			imagejpeg($image);
		break;
		
		case 'png':
			header('Content-type: image/png');
			imagepng($image);
		break;
		case 'thm':
                        header('Content-type: image/jpeg');
                        imagejpeg($image);
                break;

	}
	exit();
	
?>