--- a/app/soc/content/js/slot-allocator.js	Sun Mar 08 13:58:15 2009 +0000
+++ b/app/soc/content/js/slot-allocator.js	Sun Mar 08 14:36:24 2009 +0000
@@ -19,6 +19,7 @@
         processData: true,
         data: {result: JSON.stringify(to_json)},
         contentType: 'application/json',
+        dataType: 'json',
         success: callback,
     });
 };