Web Audio Evaluation Tool

I guess it has been abandoned by now, anyhoewI was having these weird errors when accessing analytics.html: the file was retrieved but the XML was not parsed.:

                xmlhttp.overrideMimeType('text/xml');

I went through many other edits of the file and eventually got rid of all the errors, but I did not get any visualization.
diff file below:

diff -r 26b9c01ad2cc analyse.html
--- a/analyse.html    Sun Feb 21 03:35:27 2016 +0000
+++ b/analyse.html    Sun Feb 21 09:06:29 2016 +0000
@@ -24,7 +24,7 @@
             xmlFileFolder = "saves";
             // array of XML files
             // THIS IS WHERE YOU SPECIFY RESULT XML FILES TO ANALYSE
-            var xmlFiles = ['test-0.xml','test-1.xml','test-2.xml','test-3.xml']; 
+            var xmlFiles = ['test-2.xml']; 

             //TODO: make retrieval of file names automatic / drag files on here
@@ -284,6 +284,7 @@
                   xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
                   }
                 xmlhttp.open("GET",xmlFileName,false);
+                xmlhttp.overrideMimeType('text/xml');
                 xmlhttp.send();
                 return xmlhttp.responseXML; 
             }
@@ -300,11 +301,11 @@
                         fileNameArray.push(xmlFiles[fileIndex]);

                         // get root of XML file
-                        root = xml.getElementsByTagName('browserevaluationresult')[0];
+                        root = xml.getElementsByTagName('waetresult')[0];

                         // get subject ID, add to array if not already there
-                        pretest = root.getElementsByTagName('pretest')[0];
-                        subjectID = pretest.getElementsByTagName('comment')[0];
+                        pretestSurveyResult = root.getElementsByTagName('surveyresult')[0];
+                        subjectID = pretestSurveyResult.getElementsByTagName('comment')[0];
                         if (subjectID){
                             if (subjectID.getAttribute('id')!='sessionId') { // warning in console when not available
                                 console.log(xmlFiles[fileIndex]+': no SessionID available');
@@ -378,7 +379,7 @@
                     // which songs did they do
                     if (xml != null) { // if file exists
                         // get root of XML file
-                        root = xml.getElementsByTagName('browserevaluationresult')[0];
+                        root = xml.getElementsByTagName('waetresult')[0];
                         // go over all audioholders
                         // document.getElementById('div_survey_'+xmlFileName).innerHTML += '<strong>Audioholders: </strong>';
                         // audioholderNodes = root.getElementsByTagName('audioholder');
@@ -415,7 +416,7 @@

             function makePlots() { //TODO: split into different functions
                 // TEMPORARY
-                makeTimeline(xmlFileFolder+"/"+xmlFiles[7]);
+                makeTimeline(xmlFileFolder+"/"+xmlFiles[0]);

                 // create value array
                 var ratings = [];  // 3D matrix of ratings (audioholder, audioelement, subject)
@@ -432,7 +433,7 @@
                     xml = readXML(xmlFileName); 
                     if (xml != null) { // if file exists
                         // get root of XML file
-                        root = xml.getElementsByTagName('browserevaluationresult')[0];
+                        root = xml.getElementsByTagName('waetresult')[0];
                         // go over all audioholders
                         audioholderNodes = root.getElementsByTagName('audioholder');
                         for (audioholderIndex = 0; audioholderIndex < audioholderNodes.length; audioholderIndex++) { 
@@ -594,7 +595,7 @@
                     return; // do nothing; exit function
                 }
                 // get root of XML file
-                root = xml.getElementsByTagName('browserevaluationresult')[0];
+                root = xml.getElementsByTagName('waetresult')[0];

                 audioholder_time = 0; 
                 previous_audioholder_time = 0; // time spent before current audioholder