diff --git a/htdocs/index.html b/htdocs/index.html
index 6df3f5d..990d697 100644
--- a/htdocs/index.html
+++ b/htdocs/index.html
@@ -101,6 +101,19 @@
           </div>
         </div>
       </div>
+      <div class="section">
+        <a href="/#chart_type" name="chart_type"><h2># <span>Interaction</span></h2></a>
+        <div>
+          <div class="row">
+            <div class="col-md-4">
+              <h3>Zoom</h3>
+              <p>Zoom by mouse wheel event and slide by drag.</p>
+              <p><a class="btn btn-default" href="/samples/interaction_zoom.html" role="button">View details &raquo;</a></p>
+            </div>
+          </div>
+        </div>
+
+      </div>
     </div>
   </body>
 </html>
diff --git a/htdocs/samples/interaction_zoom.html b/htdocs/samples/interaction_zoom.html
new file mode 100644
index 0000000..d26868e
--- /dev/null
+++ b/htdocs/samples/interaction_zoom.html
@@ -0,0 +1,23 @@
+<html>
+  <head>
+    <link href="/css/c3.css" rel="stylesheet" type="text/css">
+  </head>
+  <body>
+    <div id="chart"></div>
+
+    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
+    <script src="/js/c3.min.js"></script>
+    <script>
+      var chart = c3.generate({
+        data: {
+          columns: [
+            ['sample', 30, 200, 100, 400, 150, 250, 150, 200, 170, 240, 350, 150, 100, 400, 150, 250, 150, 200, 170, 240, 100, 150, 250, 150, 200, 170, 240, 30, 200, 100, 400, 150, 250, 150, 200, 170, 240, 350, 150, 100, 400, 350, 220, 250, 300, 270, 140, 150, 90, 150, 50, 120, 70, 40]
+          ]
+        },
+        zoom: {
+          enabled: true
+        }
+      });
+    </script>
+  </body>
+</html>
