entrees are opening AND closing

sites/all/modules/figli/edlp_corpus/assets/dist/scripts/corpus.min.js

@@ -350,9 +350,13 @@
 
       _$entrees_block_termlinks.on('click', function(event) {
         event.preventDefault();
-
-        _$entrees_block_termlinks.parents('li').removeClass('opened');
-        $(this).parents('li').addClass('opened');
+        var $li = $(this).parents('li');
+        if(!$li.is('.opened')){
+          _$entrees_block_termlinks.parents('li').removeClass('opened');
+          $li.addClass('opened');
+        }else{
+          $li.removeClass('opened');
+        }
         return false;
       });
     };

sites/all/modules/figli/edlp_corpus/assets/scripts/corpus.js

@@ -350,9 +350,13 @@
 
       _$entrees_block_termlinks.on('click', function(event) {
         event.preventDefault();
-
-        _$entrees_block_termlinks.parents('li').removeClass('opened');
-        $(this).parents('li').addClass('opened');
+        var $li = $(this).parents('li');
+        if(!$li.is('.opened')){
+          _$entrees_block_termlinks.parents('li').removeClass('opened');
+          $li.addClass('opened');
+        }else{
+          $li.removeClass('opened');
+        }
         return false;
       });
     };