comparison js/core.js @ 2248:9c7f09d3364d

Merge branch 'master' of https://github.com/BrechtDeMan/WebAudioEvaluationTool

 		document.getElementsByTagName('body')[0].appendChild(msg);
 		document.getElementsByTagName('body')[0].appendChild(span);
 		document.getElementsByTagName('body')[0].appendChild(errorNode[0]);
 		return;
 	}
-    if (responseDocument == undefined) {
+    if (responseDocument == undefined || responseDocument.firstChild == undefined) {
         var msg = document.createElement("h3");
 		msg.textContent = "FATAL ERROR";
 		var span = document.createElement("span");
 		span.textContent = "The project XML was not decoded properly, try refreshing your browser and clearing caches. If the problem persists, contact the test creator.";
 		document.getElementsByTagName('body')[0].innerHTML = null;
 		document.getElementsByTagName('body')[0].appendChild(msg);
 		document.getElementsByTagName('body')[0].appendChild(span);
 		return;
     }
-    if (responseDocument.children[0].nodeName == "waet") {
+    if (responseDocument.firstChild.nodeName == "waet") {
         // document is a specification
         
         // Perform XML schema validation
         var Module = {
             xml: response,

         // Build the specification
 	   specification.decode(projectXML);
         // Generate the session-key
         storage.initialise();
         
-    } else if (responseDocument.children[0].nodeName == "waetresult") {
+    } else if (responseDocument.firstChild.nodeName == "waetresult") {
         // document is a result
         projectXML = document.implementation.createDocument(null,"waet");
         projectXML.children[0].appendChild(responseDocument.getElementsByTagName('waet')[0].getElementsByTagName("setup")[0].cloneNode(true));
         var child = responseDocument.children[0].children[0];
         while (child != null) {