<?
$i = intval($_GET['i']);
header('Content-type: image/png');
$im = imagecreate (100, 4);
$c0 = imagecolorallocate($im, 0, 0, 0);
$c1 = imagecolorallocate($im, 255, 128, 0);
$c2 = imagecolorallocate($im, 100,150,225);
$c3 = imagecolorallocate($im, 168,175,187);
imagefill($im,100, 0,$c2);
imagefilledrectangle($im, 0, 0, $i, 4, $c1);
imagerectangle($im, 0, 0, 99, 3, $c0);
imagepng($im);
?>