diff --git a/tuwel-plus.user.js b/tuwel-plus.user.js
new file mode 100644
index 0000000..af67226
--- /dev/null
+++ b/tuwel-plus.user.js
@@ -0,0 +1,187 @@
+// ==UserScript==
+// @name        TUWEL+
+// @namespace   https://fsinf.at/
+// @match       https://tuwel.tuwien.ac.at/*
+// @grant       none
+// @version     1.4
+// @icon        https://i.imgur.com/gJ9tqWL.png
+// @description Various small improvements to TUWEL including LVA-abbreviations and "Select All" for Kreuzerl
+// @require     https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.slim.min.js
+// ==/UserScript==
+
+this.$ = this.jQuery = jQuery.noConflict(true);
+
+const DictLVA = { // keyword : abbreviation
+  "Algebra und Diskrete Mathematik":    "ADM",
+  "Grundzüge digitaler Systeme":        "GDS",
+  "Angleichungskurs Mathematik":        "AKMath",
+  "Einführung in die Programmierung 1": "EP1",
+  "Einführung in die Programmierung 2": "EP2",
+  "Denkweisen der Informatik":          "Denki",
+  "Mathematisches Arbeiten":            "MathArb",
+  "Orientierung Informatik":            "Ori",
+  "Algorithmen und Datenstrukturen":    "AlgoDat",
+}
+
+const seperator = "<b> » </b>"
+
+
+const courseTileSelector = 'a.coursename[href*="https://tuwel.tuwien.ac.at/course/view.php?id="] > span.multiline > span[aria-hidden="true"]';
+const courseListSelector = 'a.coursename[href*="https://tuwel.tuwien.ac.at/course/view.php?id="]'
+const mobileDrawerSelector = 'div.drawer a.list-group-item[href*="https://tuwel.tuwien.ac.at/course/view.php?id="]'
+const courseTitleSelector = 'h1.h2.mb-0'
+const courseDropdownMenuItemSelector = 'div.carousel-inner > a.dropdown-item[role="menuitem"][href*="https://tuwel.tuwien.ac.at/course/view.php?id="]';
+const breadcrumbSelector = 'li.breadcrumb-item:first > a';
+
+
+// prepend the LVA abbreviation for a selected element
+function editGeneric (selector) {
+  $(selector).each(function() {
+
+    //get text of selected element, excluding it's decendents
+    const fullName = $(this).clone().children().remove().end().text();
+
+    if (fullName) {
+      // if the LVA-name has a specified abbreviation in DictLVA, use it
+      for (LVA in DictLVA) {
+        if (fullName.includes(LVA)) {
+          shortName = DictLVA[LVA];
+
+          // set the new text in the menu item
+          var newName = "<b class='shortLvaName'>"  + shortName + "</b>" + seperator + fullName;
+          $(this).html(newName);
+        }
+      }
+    }
+  });
+}
+
+
+
+// edit the breadcrumb to contain a readable abbreviation of the LVA name
+function editBreadcrumb(selector) {
+  const fullName = $(selector).attr("title");
+
+  if (fullName) {
+
+    const match = fullName.match(/^([a-zA-Z]).{8}/);
+
+    // set the shortName to a truncated version (…) of fullName for now
+    if (match) {
+      var shortName = match[0] + "…";
+    }
+
+    // if the LVA-name has a specified abbreviation in DictLVA, use it
+    for (LVA in DictLVA) {
+      if (fullName.includes(LVA)) {
+          shortName = DictLVA[LVA];
+      }
+    }
+
+    // set the new text in the breadcrumb (shortName + semester)
+    var newName = "<b class='shortLvaName'>" + shortName + "</b>" + seperator + fullName.match(/.{5}$/)[0];
+    $("li.breadcrumb-item:first > a").html(newName);
+  }
+}
+
+
+// highlight quiz result
+
+function highlightQuizResult() {
+  gradeCell = "table.quizreviewsummary tr:includes('Bewertung') > td"
+
+  if ($(gradeCell).text().includes("100%")) {
+    $(gradeCell).css("background-color", "lightgreen");
+  } else {
+    $(gradeCell).css("background-color", "pink");
+  }
+
+}
+
+function addtickAllKreuzerlButton() {
+  $("#fgroup_id_buttonar > div > div > div").append('<input class="btn btn-secondary mr-1" id="select-all-button" type="button" value="Alle auswählen"">')
+  document.querySelector("#select-all-button").addEventListener("click", tickAllKreuzerl);
+  checkboxes = $("div.checkboxgroup1 input.checkboxgroup1");
+}
+
+
+
+function tickAllKreuzerl() {
+  checkboxes.each(function() {
+    (this).checked = true;
+  })
+
+  document.querySelector("#select-all-button").removeEventListener("click", tickAllKreuzerl);
+  document.querySelector("#select-all-button").value = "Keine auswählen";
+  document.querySelector("#select-all-button").addEventListener("click", untickAllKreuzerl);
+
+}
+function untickAllKreuzerl() {
+  checkboxes.each(function() {
+    (this).checked = false;
+  })
+
+  document.querySelector("#select-all-button").removeEventListener("click", untickAllKreuzerl);
+  document.querySelector("#select-all-button").value = "Alle auswählen";
+  document.querySelector("#select-all-button").addEventListener("click", tickAllKreuzerl);
+
+}
+
+
+function tickSubmissionStatement() {
+  $("input#id_submissionstatement").prop('checked', true);
+}
+
+function smallerEditButton() {
+  $("label[for$='-editingswitch']").replaceWith("<i class='icon fa fa-edit fa-fw'></i>");
+}
+
+
+function init() {
+  const href = window.location.href;
+
+
+  editGeneric(mobileDrawerSelector);
+
+  editGeneric(courseDropdownMenuItemSelector);
+  //set dropdown text to blue color to stand out more (OG TUWEL blue: #006699, no contrast on hover)
+  $(courseDropdownMenuItemSelector + " b.shortLvaName").css("color", "#013d5b");
+
+  editBreadcrumb(breadcrumbSelector);
+
+  //if "my courses" page is open
+  if (href.includes("/my")) {
+    smallerEditButton();
+    // wait for content to load on "my courses"
+    setTimeout(() => { editGeneric(courseTileSelector) }, 1600);
+    setTimeout(() => { editGeneric(courseListSelector) }, 1600);
+  }
+
+  //if course main page is open
+  if (href.includes("/course/view.php?id=")) {
+    editGeneric(courseTitleSelector);
+  }
+
+  if (href.includes("/mod/quiz/review.php")) {
+    highlightQuizResult();
+  }
+
+  if (href.includes("/mod/checkmark")) {
+    addtickAllKreuzerlButton();
+  }
+
+  if (href.includes("/mod/assign/view.php")) {
+    tickSubmissionStatement();
+  }
+
+}
+
+
+
+$(document).ready(function() {
+  init();
+});
+
+
+
+