diff --git a/lib/scripts/tw-sack.js b/lib/scripts/tw-sack.js
index b5a5c88616b86b1365a58a1d1dc6a3aeadb53359..cc988f5bedbab94b744c55e4b7e87ba9abef723c 100644
--- a/lib/scripts/tw-sack.js
+++ b/lib/scripts/tw-sack.js
@@ -66,6 +66,8 @@ function sack(file){
   };
 
   this.runAJAX = function(urlstring){
+    DEPRECATED('Please use jQuery.post() or any other of jQuery\'s AJAX methods.');
+
     this.responseStatus = new Array(2);
     if(this.failed && this.AjaxFailedAlert){
       alert(this.AjaxFailedAlert);