Index: lams_tool_assessment/web/pages/learning/learning.jsp
===================================================================
diff -u -r21aea119939539ce08a947354f84cb7dc6980d38 -r0b1d534ce1915b907afff0171909f90226b31921
--- lams_tool_assessment/web/pages/learning/learning.jsp	(.../learning.jsp)	(revision 21aea119939539ce08a947354f84cb7dc6980d38)
+++ lams_tool_assessment/web/pages/learning/learning.jsp	(.../learning.jsp)	(revision 0b1d534ce1915b907afff0171909f90226b31921)
@@ -268,13 +268,14 @@
 
         //autosave feature
         <c:if test="${hasEditRight && (mode != 'teacher')}">
-        var autosaveInterval = ${isLeadershipEnabled and isUserLeader ? 10000 : 30000}; // 30 or 10 seconds interval
+			var autosaveInterval = ${isLeadershipEnabled and isUserLeader ? 10000 : 30000},  // 30 or 10 seconds interval
+				autosaveWindowId = new Date().getTime(); // all we need for this ID is to be unique
 
         function learnerAutosave(isCommand){
             // isCommand means that the autosave was triggered by force complete or another command websocket message
             // in this case do not check multiple tabs open, just autosave
             if (!isCommand) {
-                let shouldAutosave = preventLearnerAutosaveFromMultipleTabs(autosaveInterval);
+					let shouldAutosave = preventLearnerAutosaveFromMultipleTabs(autosaveWindowId, autosaveInterval);
                 if (!shouldAutosave) {
                     return;
                 }
@@ -348,9 +349,9 @@
             // validate only if time limit is not expired
             // otherwise confirm with learner that he wants to submit
             if (!isTimelimitExpired && (!validateAnswers()
-                    || (!isResubmitAllowed &&
-                            !confirm("<spring:escapeBody javaScriptEscape='true'><fmt:message key='label.learning.submit.all.confirm'/></spring:escapeBody>")))) {
-            return;
+                || (!isResubmitAllowed &&
+                    !confirm("<spring:escapeBody javaScriptEscape='true'><fmt:message key='label.learning.submit.all.confirm'/></spring:escapeBody>")))) {
+                return;
             }
 
             disableButtons();
@@ -617,9 +618,9 @@
 
         <c:if test="${not empty assessment.instructions}">
             <div id="instructions" class="instructions">
-              <c:out value="${assessment.instructions}" escapeXml="false"/>
+                <c:out value="${assessment.instructions}" escapeXml="false"/>
             </div>
-        </c:if>        
+        </c:if>
 
 
         <%@ include file="parts/paging.jsp"%>
@@ -638,4 +639,4 @@
             </c:if>
         </div>
     </div>
-</lams:PageLearner>
+</lams:PageLearner>
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