add AjaxResponse.get_response wrapper around reponseXML / responseText

core.js

@@ -311,6 +311,14 @@
         return this.readyStates[this.o.readyState] || 'unknown';
     }
 
+    Yeti.AjaxResponse.prototype.get_response = function() {
+        if (this.o.responseXML) {
+            return this.o.responseXML;
+        } else {
+            return this.o.responseText
+        }
+    }
+
     Yeti.AjaxResponse.prototype.success = function() {
         return this.get_state() == 'complete' && this.get_status() == 'ok';
     }