--- drupal-6.14/includes/common.inc	2009-09-16 20:34:14.000000000 +0100
+++ mist/includes/common.inc	2009-11-20 18:46:13.000000000 +0000
@@ -2470,7 +2470,11 @@
  */
 function drupal_json($var = NULL) {
   // We are returning JavaScript, so tell the browser.
-  drupal_set_header('Content-Type: text/javascript; charset=utf-8');
+  if ($_SERVER["REQUEST_METHOD"]=="POST" && $_SERVER['HTTP_X_REQUESTED_WITH'] != 'XMLHttpRequest') {
+    drupal_set_header('Content-type: text/html; charset=utf-8'); 
+    echo "<textarea>";
+  } else 
+    drupal_set_header('Content-Type: text/javascript; charset=utf-8');
 
   if (isset($var)) {
     echo drupal_to_js($var);