--- file.orig.inc	2006-10-19 14:41:52.000000000 +0300
+++ file.inc	2006-10-30 02:16:45.000000000 +0200
@@ -561,8 +561,44 @@
 
   // Transfer file in 1024 byte chunks to save memory usage.
   if ($fd = fopen($source, 'rb')) {
+
+    // Tell that we accept byte-ranges
+    header('Accept-Ranges: bytes');
+
+    // Get filesize.
+    $filesize = filesize($source);
+
+    if(isset($_SERVER['HTTP_RANGE'])) {
+      // This is a partial request.
+      $range=substr($_SERVER['HTTP_RANGE'],strpos($_SERVER['HTTP_RANGE'],'=')+1);
+      list($range_from,$range_to) = explode('-', $range);
+
+      // Confirm that no funnybussines is being made
+      $range_from = intval($range_from);
+      $range_to = intval($range_to);
+      if($range_to+1 > $filesize) $range_to = $filesize-1;
+      if($range_from >= $range_to) $range_from = 0;
+
+      // Send appropiate headers
+      header('HTTP/1.1 206 Partial Content');
+      header('Content-Range: bytes '.$range_from.'-'.$range_to.'/'.$filesize);
+      header('Content-Length: '.($range_to-$range_from+1));
+      // Move file pointer
+      fseek($fd,$range_from);
+    } else {
+      $range_from=0;
+      $range_to=$filesize-1;
+      // Send filesize
+      header('Content-Length: '.$filesize);
+    }
+
+    $r = $range_to-$range_from;
     while (!feof($fd)) {
-      print fread($fd, 1024);
+      if($r > 1024) {
+        $r-1024;
+        print fread($fd, 1024);
+      } else {
+        print fread($fd, $r);
+        break;
+      }
     }
     fclose($fd);
   }