Remove javascript file

javascript/listselect.js

-/*(function($) {
-    function changeActionString(current) {
-        var actionString = getRootWebSitePath() + '/course/view.php?id=' + current.val();
-        $('#hshcourseform').attr('action', actionString);
-    }
-
-    function setInactive(target) {
-        target.removeClass('active');
-        target.removeClass('activeCourseSearch');
-    }
-
-    function setActive(target) {
-        target.addClass('active');
-        target.addClass('activeCourseSearch');
-    }
-
-    function getRootWebSitePath() {
-        var _location = document.location.toString();
-        var applicationNameIndex = _location.indexOf('/', _location.indexOf('://') + 3);
-        var applicationName = _location.substring(0, applicationNameIndex) + '/';
-        var webFolderIndex = _location.indexOf('/', _location.indexOf(applicationName) + applicationName.length);
-        return _location.substring(0, webFolderIndex);
-    }
-
-    function scrollIntoViewIfNeeded(element) {
-        var windowSize = window.innerHeight;
-        var elementPosition = element.getBoundingClientRect();
-        var elementBottom = elementPosition.bottom;
-        var elementTop = elementPosition.top;
-
-        if (elementBottom > windowSize) {
-            // Scroll an den unteren Rand des Bildes
-            element.scrollIntoView({block: "end", behavior: "smooth"});
-        }
-        if (elementTop < 0) {
-            // Scroll an den oberen Rand des Bildes
-            element.scrollIntoView({block: "start", behavior: "smooth"});
-        }
-    }
-
-    $('input').keydown(function(e) {
-        var $listItems = $('.hshcoursesearchlistitem');
-        var key = e.keyCode;
-        var $selected = $listItems.filter('.activeCourseSearch');
-        var $current;
-
-        if (key !== 40 && key !== 38 && key !== 13) {
-            return;
-        }
-
-        setInactive($listItems);
-
-        if (key === 38) { // KEY UP
-            if (!$selected.length || $selected.is(':first-child')) {
-                $current = $listItems.last();
-            } else {
-                $current = $selected.prev();
-            }
-            changeActionString($current);
-        } else if (key === 40) { // KEY DOWN
-            if (!$selected.length || $selected.is(':last-child')) {
-                $current = $listItems.eq(0);
-            } else {
-                $current = $selected.next();
-            }
-            changeActionString($current);
-        } else if (key === 13) { // KEY ENTER
-            $current = $selected;
-            if (isNaN($current.val())) {
-                $current = $listItems.eq(0);
-            }
-            changeActionString($current);
-        }
-
-        setActive($current);
-        scrollIntoViewIfNeeded($current[0]);
-    });
-}(jQuery));
-*/
\ No newline at end of file