New Websnapr code

The problem with the new Websnapr code is, that they are using javascript. The javascript file must be loaded from websnapr, because they are using a hash code, to check the age of the file. But Drupal 6 does not support external js-files.

I have a suggestion for the problem:

--- websnapr_field.module.org   2011-08-09 16:39:52.000000000 +0200
+++ websnapr_field.module       2011-08-11 00:56:00.000000000 +0200
@@ -77,6 +77,8 @@
  *
  */
 function theme_websnapr_field_formatter($element) {
+  $external_js = 'http://www.websnapr.com/js/websnapr.js';
+  drupal_add_js('document.write(unescape("%3Cscript src=\''. $external_js . '\' type=\'text/javascript\'%3E%3C/script%3E"));', 'inline');
   if ($element['#item']['url']) {
     return websnapr_field_field_formatter($element['#field_name'], $element['#item'], $element['#formatter'], $element['#item']['url'], $element['#node']->title);
   }
@@ -101,9 +103,7 @@
   }
   $key = variable_get('websnapr_account_key', '');
   if ($key) {
-    $websnapr_url = 'http://images.websnapr.com/?size='. $size .'&key='. $key .
-      '&url='. urlencode($item['query']? $url.'?'.$item['query']: $url);
-    $image = theme('image', $websnapr_url, $title, $title, array('height' => $height, 'width' => $width), FALSE);
+    $image = '<script type="text/javascript">wsr_snapshot(\'' . $url . '\', \'' . $key . '\', \'s\');</script>';
     return l($image, $url, array('html' => TRUE, 'attributes' => $item['attributes'], 'query'=> $item['query']));
   }
 }