<?php /* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

function preload($cssfile)
{
  $css = file_get_contents($cssfile);

  // TODO: Check for @import and do recursive parsing
?>

  <div style="display: none;">
<?php
  preg_match_all("|url\((.+)\)|U", $css, $urls);
  //  print_r($urls);
  $path = dirname($cssfile);
  $imgs = array_unique($urls[1]);
  
foreach($imgs as $_p) {
	echo "    <img alt=\"preload\" src=\"".$path . "/" . $_p."\"/>\n";
}
?>
</div>
<?php
}

?>