1 files changed, 15 insertions, 13 deletions

diff --git a/lib/scripts/tw-sack.js b/lib/scripts/tw-sack.js
index 0c7e81bf1..cfcbe0ea9 100644
--- a/lib/scripts/tw-sack.js
+++ b/lib/scripts/tw-sack.js
@@ -15,6 +15,7 @@ function sack(file){
   this.onLoaded = function() { };
   this.onInteractive = function() { };
   this.onCompletion = function() { };
+  this.afterCompletion = function() { };
 
   this.createAJAX = function() {
     try {
@@ -30,10 +31,10 @@ function sack(file){
       this.xmlhttp = new XMLHttpRequest();
     }
     if (!this.xmlhttp){
-      this.failed = true; 
+      this.failed = true;
     }
   };
-  
+
   this.setVar = function(name, value){
     if (this.URLString.length < 3){
       this.URLString = name + "=" + value;
@@ -41,12 +42,12 @@ function sack(file){
       this.URLString += "&" + name + "=" + value;
     }
   };
-  
+
   this.encVar = function(name, value){
     var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value);
   return varString;
   };
-  
+
   this.encodeURLString = function(string){
     varArray = string.split('&');
     for (i = 0; i < varArray.length; i++){
@@ -58,25 +59,25 @@ function sack(file){
     }
   return varArray.join('&');
   };
-  
+
   this.runResponse = function(){
     eval(this.response);
   };
-  
+
   this.runAJAX = function(urlstring){
     this.responseStatus = new Array(2);
-    if(this.failed && this.AjaxFailedAlert){ 
-      alert(this.AjaxFailedAlert); 
+    if(this.failed && this.AjaxFailedAlert){
+      alert(this.AjaxFailedAlert);
     } else {
-      if (urlstring){ 
+      if (urlstring){
         if (this.URLString.length){
-          this.URLString = this.URLString + "&" + urlstring; 
+          this.URLString = this.URLString + "&" + urlstring;
         } else {
-          this.URLString = urlstring; 
+          this.URLString = urlstring;
         }
       }
       if (this.encodeURIString){
-        var timeval = new Date().getTime(); 
+        var timeval = new Date().getTime();
         this.URLString = this.encodeURLString(this.URLString);
         this.setVar("rndval", timeval);
       }
@@ -93,7 +94,7 @@ function sack(file){
           try {
              this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
           } catch (e) {}
-        } 
+        }
 
         this.xmlhttp.onreadystatechange = function() {
           switch (self.xmlhttp.readyState){
@@ -122,6 +123,7 @@ function sack(file){
                   self.elementObj.innerHTML = self.response;
                 }
               }
+              self.afterCompletion();
               self.URLString = "";
             break;
           }