diff --git a/apps/vtn/sfcweb/src/main/resources/app/view/sfcwebTopov/sfcwebTopovDemo.js b/apps/vtn/sfcweb/src/main/resources/app/view/sfcwebTopov/sfcwebTopovDemo.js
new file mode 100755
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+++ b/apps/vtn/sfcweb/src/main/resources/app/view/sfcwebTopov/sfcwebTopovDemo.js
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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 "AS IS" 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.
+ */
+
+/*
+ sfc web gui overlay implementation.
+ */
+
+(function () {
+    'use strict';
+
+    // injected refs
+    var $log, fs, flash, wss, tds, ds, handlerMap = {};
+
+    // constants
+    var displayStart     = 'sfcwebTopovDisplayStart',
+        showSfcInf       = 'showSfcInfo',
+        clearMessage     = 'sfcTopovClear',
+        configSfpMessage = 'configSfpMessage' ;
+
+    // internal state
+    var currentMode = null;
+
+    // === Main API functions
+
+    function start() {
+        handlerMap[showSfcInf] = showSfcInformation;
+        wss.bindHandlers(handlerMap);
+        wss.sendEvent(displayStart);
+    }
+
+    function dOk() {
+        var sfcId = null;
+        sfcId = d3.select('#sfp-value').property("value");
+
+        if (sfcId) {
+            console.log(sfcId);
+        }
+
+       $log.debug('Dialog OK button clicked');
+
+       wss.sendEvent(configSfpMessage, {
+            id: sfcId
+        });
+
+        flash.flash('SFP ID query:');
+    }
+
+    function dClose() {
+        $log.debug('Dialog Close button clicked (or Esc pressed)');
+    }
+
+    function createUserText() {
+        var content = ds.createDiv();
+        var form = content.append('form');
+        var p = form.append('p');
+
+        p.append('input').attr({
+            id: 'sfp-value',
+            type: 'string',
+            name: 'sfp-value-name'
+        });
+        p.append('span').text('ID');
+        p.append('br');
+
+        return content;
+    }
+
+    function configSfp() {
+        tds.openDialog()
+        .setTitle('SFP ID User Input')
+        .addContent(createUserText())
+        .addOk(dOk, 'OK')
+        .addCancel(dClose, 'Close')
+        .bindKeys();
+    }
+
+    function showSfcInformation(data) {
+        console.log(data);
+        wss.unbindHandlers(handlerMap);
+
+        // Get the modal
+        var modal = document.getElementById('myModal');
+
+        // Get the button that opens the modal
+        var btn = document.getElementById("myBtn");
+
+        // Get the <span> element that closes the modal
+        var span = document.getElementsByClassName("close")[0];
+
+        modal.style.display = "block";
+
+        var tBody = document.getElementById('sfc-info-body');
+
+        var tdString = '' ;
+
+        for (var i = 0; i < data.a.length; i++) {
+            tdString += '<tr> <td>'+ data.a[i] +'</td></tr>';
+        }
+
+        tBody.innerHTML = tdString;
+
+        // When the user clicks on <span> (x), close the modal
+        span.onclick = function() {
+            modal.style.display = "none";
+        }
+
+        // When the user clicks anywhere outside of the modal, close it
+        window.onclick = function(event) {
+            if (event.target == modal) {
+                modal.style.display = "none";
+            }
+        }
+
+    }
+
+    function clear() {
+        wss.sendEvent(clearMessage);
+        flash.flash('Cleared SFC overlay');
+    }
+
+    // === ---------------------------
+    // === Module Factory Definition
+    angular.module('ovSfcwebTopov', [])
+        .factory('SfcwebTopovDemoService',
+        ['$log', 'FnService', 'FlashService', 'WebSocketService', 'TopoDialogService', 'DialogService',
+        function (_$log_, _fs_, _flash_, _wss_, _tds_, _ds_) {
+            $log = _$log_;
+            fs = _fs_;
+            flash = _flash_;
+            wss = _wss_;
+            tds = _tds_;
+            ds = _ds_;
+            return {
+                start: start,
+                showSfcInformation: showSfcInformation,
+                clear: clear,
+                configSfp: configSfp
+            };
+        }]);
+
+}());