diff --git a/amd/build/collapse.min.js b/amd/build/collapse.min.js
index 5ad4e54422ac0392a335c7afff4520a671f2352f..9f33c4782c45ff4c60b857a2283fc6b9886fd0ee 100644
--- a/amd/build/collapse.min.js
+++ b/amd/build/collapse.min.js
@@ -1,2 +1,2 @@
-/*! hsh_boostnavigation 2018-09-13 */
-define(["jquery"],function(a){"use strict";function b(b,c){b.click(function(d){d.preventDefault(),"mycourses"==c?0==b.attr("data-collapse")?f.forEach(function(b){a(".list-group-item[data-key="+b+"]").attr("data-collapse","1"),a(".list-group-item[data-key="+b+"]").attr("data-hidden","0")}):1==b.attr("data-collapse")&&(f.forEach(function(b){a(".list-group-item[data-parent-key="+b+"]").attr("data-hidden","1"),a(".list-group-item[data-parent-key="+b+"]").attr("data-collapse","1")}),f.forEach(function(b){a(".list-group-item[data-key="+b+"]").attr("data-collapse","1"),a(".list-group-item[data-key="+b+"]").attr("data-hidden","1")})):0==b.attr("data-collapse")?(a(".list-group-item[data-parent-key="+c+"]").attr("data-hidden","1"),b.attr("data-collapse","1")):1==b.attr("data-collapse")&&(a(".list-group-item[data-parent-key="+c+"]").attr("data-hidden","0"),b.attr("data-collapse","0"))})}function c(c){""===f[0]&&(f=new Array);var d=a('.list-group-item[data-key="'+c+'"]');if("mycourses"===c?d.attr("data-collapse","0"):d.attr("data-collapse","1"),""!==c&&"mycourses"!==c){d.addClass("list-group-item-action semesternode"),d.attr("data-isexpandable","1");var e=a(".list-group-item[data-parent-key="+c+"]");e.attr("data-hidden","1"),e.attr("data-collapse","1"),e.addClass("coursenode"),navigator.userAgent.match(/Trident\/7\./)?-1==f.indexOf(c)&&f.push(c):f.includes(c)||f.push(c)}b(d,c)}function d(b){var c=a('.list-group-item[data-key="'+b+'"]');c.attr("data-hidden","0"),c.attr("data-collapse","0"),a(".list-group-item[data-parent-key="+b+"]").attr("data-hidden","0"),a(".list-group-item[data-parent-key="+b+"]").attr("data-collapse","0")}function e(){var a=new URL(window.location.href),b=a.searchParams.get("id");null===b&&(b=a.searchParams.get("courseid"));var c=document.querySelectorAll('a.coursenode[href$="'+b+'"]');void 0!==c[0]&&d(c[0].getAttribute("data-parent-key"))}var f=[];return{init:function(a){for(var b=0,d=a.length;b<d;b++)c(a[b]);navigator.userAgent.match(/Trident\/7\./)||e()},openSemester:function(a){d(a)}}});
\ No newline at end of file
+/*! hsh_boostnavigation 2018-10-04 */
+define(["jquery"],function(a){"use strict";function b(b,c){b.click(function(d){d.preventDefault(),"mycourses"==c?0==b.attr("data-collapse")?g.forEach(function(b){a(".list-group-item[data-key="+b+"]").attr("data-collapse","1"),a(".list-group-item[data-key="+b+"]").attr("data-hidden","0")}):1==b.attr("data-collapse")&&(g.forEach(function(b){a(".list-group-item[data-parent-key="+b+"]").attr("data-hidden","1"),a(".list-group-item[data-parent-key="+b+"]").attr("data-collapse","1")}),g.forEach(function(b){a(".list-group-item[data-key="+b+"]").attr("data-collapse","1"),a(".list-group-item[data-key="+b+"]").attr("data-hidden","1")})):0==b.attr("data-collapse")?(a(".list-group-item[data-parent-key="+c+"]").attr("data-hidden","1"),b.attr("data-collapse","1")):1==b.attr("data-collapse")&&(a(".list-group-item[data-parent-key="+c+"]").attr("data-hidden","0"),b.attr("data-collapse","0"))})}function c(c){""===g[0]&&(g=new Array);var d=a('.list-group-item[data-key="'+c+'"]');if("mycourses"===c?d.attr("data-collapse","0"):d.attr("data-collapse","1"),""!==c&&"mycourses"!==c){d.addClass("list-group-item-action semesternode"),d.attr("data-isexpandable","1");var e=a(".list-group-item[data-parent-key="+c+"]");e.attr("data-hidden","1"),e.attr("data-collapse","1"),e.addClass("coursenode"),navigator.userAgent.match(/Trident\/7\./)?-1==g.indexOf(c)&&g.push(c):g.includes(c)||g.push(c)}b(d,c)}function d(b){var c=a('.list-group-item[data-key="'+b+'"]');c.attr("data-hidden","0"),c.attr("data-collapse","0"),a(".list-group-item[data-parent-key="+b+"]").attr("data-hidden","0"),a(".list-group-item[data-parent-key="+b+"]").attr("data-collapse","0")}function e(){var a=new URL(window.location.href),b=a.searchParams.get("id");null===b&&(b=a.searchParams.get("courseid"));var c=document.querySelectorAll('a.coursenode[href$="'+b+'"]');void 0!==c[0]&&d(c[0].getAttribute("data-parent-key"))}function f(){var a=window.location.search,b=a.replace("?id=","");if(null===b&&(b=a.replace("?courseid=","")),null!==b){var c=document.querySelectorAll('a.coursenode[href$="'+b+'"]');void 0!==c[0]&&d(c[0].getAttribute("data-parent-key"))}}var g=[];return{init:function(a){for(var b=0,d=a.length;b<d;b++)c(a[b]);navigator.userAgent.match(/Trident\/7\./)?f():e()},openSemester:function(a){d(a)}}});
\ No newline at end of file
diff --git a/amd/src/collapse.js b/amd/src/collapse.js
index cab6d02c2f1c7ec546c7dc501b10bc986bd45c75..a4042f25202ef5a5f2ef6644b945d0fef6c7b29d 100644
--- a/amd/src/collapse.js
+++ b/amd/src/collapse.js
@@ -1,11 +1,12 @@
+/* eslint-disable linebreak-style */
 // JavaScript Code genommen und angepasst von local/boostnavigation/amd/src
 // User-Preferences erstmal entfernt
-define(['jquery'], function ($) {
+define(['jquery'], function($) {
     "use strict";
     var nodesArray = [];
 
     function toggleClickHandler(node, nodename) {
-        node.click(function (e) {
+        node.click(function(e) {
             // Prevent that the browser opens the node's default action link (if existing).
             e.preventDefault();
 
@@ -13,28 +14,28 @@ define(['jquery'], function ($) {
                 // "MyCourses" angeklickt um diesen einzuklappen
                 if (node.attr('data-collapse') == 0) {
                     // Alle Semester verstecken
-                    nodesArray.forEach(function (semester) {
+                    nodesArray.forEach(function(semester) {
                         $('.list-group-item[data-key=' + semester + ']').attr("data-collapse", "1");
                         $('.list-group-item[data-key=' + semester + ']').attr("data-hidden", "0");
-                        //Not needed if only reopen the newest semester
-                        //M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + semester + '_node', 0); //1
+                        // Not needed if only reopen the newest semester
+                        // M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + semester + '_node', 0); //1
                     });
 
                     // If the parent node is currently collapsed.
                 } else if (node.attr('data-collapse') == 1) {
                     // Alle Kurse verstecken
-                    nodesArray.forEach(function (nodekey) {
+                    nodesArray.forEach(function(nodekey) {
                         // Set the hidden attribute to true for all elements which have the nodename as their data-parent-key attribute.
                         $('.list-group-item[data-parent-key=' + nodekey + ']').attr("data-hidden", "1");
                         $('.list-group-item[data-parent-key=' + nodekey + ']').attr("data-collapse", "1");
                     });
 
                     // Semester wieder sichtbar machen, Kurse weiterhin verstecken
-                    nodesArray.forEach(function (semester) {
+                    nodesArray.forEach(function(semester) {
                         $('.list-group-item[data-key=' + semester + ']').attr("data-collapse", "1");
                         $('.list-group-item[data-key=' + semester + ']').attr("data-hidden", "1");
-                        //Not needed if only reopen the newest semester
-                        //M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + semester + '_node', 0); //1
+                        // Not needed if only reopen the newest semester
+                        // M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + semester + '_node', 0); //1
                     });
 
                 }
@@ -47,8 +48,8 @@ define(['jquery'], function ($) {
                     // Change the collapse attribute of the node itself to true.
                     node.attr("data-collapse", "1");
 
-                    //Not needed if only reopen the newest semester
-                    //M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + nodename + '_node', 0); //1
+                    // Not needed if only reopen the newest semester
+                    // M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + nodename + '_node', 0); //1
 
                     // If the parent node is currently collapsed.
                 } else if (node.attr('data-collapse') == 1) {
@@ -58,8 +59,8 @@ define(['jquery'], function ($) {
                     // Change the collapse attribute of the node itself to false.
                     node.attr("data-collapse", "0");
 
-                    //Not needed if only reopen the newest semester
-                    //M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + nodename + '_node', 1); //0
+                    // Not needed if only reopen the newest semester
+                    // M.util.set_user_preference('local_hsh_boostnavigation-collapse_' + nodename + '_node', 1); //0
                 }
             }
         });
@@ -122,16 +123,34 @@ define(['jquery'], function ($) {
         }
     }
 
+    function openSemesterFromSelectedCourseIE() {
+        var url_string = window.location.search;
+        var id = url_string.replace("?id=", "");
+        if (id === null) {
+            id = url_string.replace("?courseid=", "");
+        }
+        if (id !== null) {
+            var courseNode = document.querySelectorAll('a.coursenode[href$="' + id + '"]');
+            if (typeof courseNode[0] !== "undefined") {
+                openNode(courseNode[0].getAttribute("data-parent-key"));
+            }
+        }
+    }
+
     return {
-        init: function (params) {
+        init: function(params) {
             for (var i = 0, len = params.length; i < len; i++) {
                 initToggleNodes(params[i]);
             }
-            if (!navigator.userAgent.match(/Trident\/7\./)) {
+            if (navigator.userAgent.match(/Trident\/7\./)) {
+                // Reopen Semester Function - Internet Explorer Version
+                openSemesterFromSelectedCourseIE();
+            } else {
+                // Reopen Semester Function - Not Internet Explorer
                 openSemesterFromSelectedCourse();
             }
         },
-        openSemester: function (nodename) {
+        openSemester: function(nodename) {
             openNode(nodename);
         }
     };