diff --git a/static/src/instancehandler/instance_create.js b/static/src/instancehandler/instance_create.js
index 55fb512..b09aa5b 100644
--- a/static/src/instancehandler/instance_create.js
+++ b/static/src/instancehandler/instance_create.js
@@ -20,6 +20,7 @@
     // load vim account list
     select2_groups = $('#vimAccountId').select2({
         placeholder: 'Select VIM',
+        width: '100%',
         ajax: {
             url: args.vim_list_url,
             dataType: 'json',
diff --git a/static/src/instancehandler/instance_operations_list.js b/static/src/instancehandler/instance_operations_list.js
new file mode 100644
index 0000000..705fce2
--- /dev/null
+++ b/static/src/instancehandler/instance_operations_list.js
@@ -0,0 +1,74 @@
+/*
+   Copyright 2018 CNIT - Consorzio Nazionale Interuniversitario per le Telecomunicazioni
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an  BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+
+function showOperationDetails(url_info) {
+    var dialog = bootbox.dialog({
+        message: '<div class="text-center"><i class="fa fa-spin fa-spinner"></i> Loading...</div>',
+        closeButton: true
+    });
+    $.ajax({
+        url: url_info,
+        type: 'GET',
+        dataType: "json",
+        contentType: "application/json;charset=utf-8",
+        success: function (result) {
+            editorJSON.setValue(JSON.stringify(result, null, "\t"));
+            editorJSON.setOption("autoRefresh", true);
+            dialog.modal('hide');
+            $('#modal_show_operation').modal('show');
+        },
+        error: function (result) {
+            dialog.modal('hide');
+            bootbox.alert("An error occurred while retrieving the information for the NS");
+        }
+    });
+}
+
+var editorJSON;
+
+$(document).ready(function () {
+    var json_editor_settings = {
+        mode: "javascript",
+        showCursorWhenSelecting: true,
+        autofocus: true,
+        lineNumbers: true,
+        lineWrapping: true,
+        foldGutter: true,
+        gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
+        autoCloseBrackets: true,
+        matchBrackets: true,
+        extraKeys: {
+            "F11": function (cm) {
+                cm.setOption("fullScreen", !cm.getOption("fullScreen"));
+            },
+            "Esc": function (cm) {
+                if (cm.getOption("fullScreen")) cm.setOption("fullScreen", false);
+            },
+            "Ctrl-Q": function (cm) {
+                cm.foldCode(cm.getCursor());
+            }
+        },
+        theme: "neat",
+        keyMap: "sublime"
+    };
+    var myJsonTextArea = document.getElementById("operation_view_json");
+    editorJSON = CodeMirror(function (elt) {
+        myJsonTextArea.parentNode.replaceChild(elt, myJsonTextArea);
+    }, json_editor_settings);
+
+
+});
\ No newline at end of file