diff --git a/js/wysiwyg-media.js b/js/wysiwyg-media.js
index 96d8d70..97697f0 100644
--- a/js/wysiwyg-media.js
+++ b/js/wysiwyg-media.js
@@ -165,15 +165,19 @@ Drupal.wysiwyg.plugins.media = {
    * Detach function, called when a rich text editor detaches
    */
   detach: function (content, settings, instanceId) {
-    var content = $('<div>' + content + '</div>');
-    $('img.media-image',content).each(function (elem) {
-      var tag = Drupal.wysiwyg.plugins.media.createTag($(this));
-      $(this).replaceWith(tag);
-      var newContent = content.html();
-      var tagContent = $('<div></div>').append($(this)).html();
-      Drupal.settings.tagmap[tag] = tagContent;
-    });
-    return content.html();
+    // Replace all Media placeholder images with the appropriate inline json
+    // string. Using a regular expression instead of jQuery manipulation to
+    // prevent <script> tags from being displaced.
+    // @see http://drupal.org/node/1280758.
+    if (matches = content.match(/<img[^>]+class=([\'"])media-image[^>]*>/gi)) {
+      for (var i = 0; i < matches.length; i++) {
+        var imageTag = matches[i];
+        var inlineTag = Drupal.wysiwyg.plugins.media.createTag($(imageTag));
+        Drupal.settings.tagmap[inlineTag] = imageTag;
+        content = content.replace(imageTag, inlineTag);
+      }
+    }
+    return content;
   },
 
   /**