diff --git a/index.html b/index.html
index 0180c07..baae8e6 100644
--- a/index.html
+++ b/index.html
@@ -23,5 +23,7 @@ <h1 id="goButton" class="button">Go</h1>
       <div id="goLight" class="bulb"></div>
     </div>
 
+    <script src="js/jquery-2.1.4.js"></script>
+    <script src="js/index.js"></script>
   </body>
 </html>
diff --git a/js/index.js b/js/index.js
new file mode 100644
index 0000000..5fd2785
--- /dev/null
+++ b/js/index.js
@@ -0,0 +1,28 @@
+$(document).ready(function(){
+
+  $('#stopButton').click(illuminateRed);
+  $('#slowButton').click(illuminateYellow);
+  $('#goButton').click(illuminateGreen);
+
+  function illuminateRed() {
+    clearLights();
+    $('#stopLight').css('backgroundColor', 'red');
+  }
+
+  function illuminateYellow() {
+    clearLights();
+    $('#slowLight').css('backgroundColor', 'yellow');
+  }
+
+  function illuminateGreen() {
+    clearLights();
+    $('#goLight').css('backgroundColor', 'green');
+  }
+
+  function clearLights() {
+    $('#stopLight').css('backgroundColor', 'black')
+    $('#slowLight').css('backgroundColor', 'black')
+    $('#goLight').css('backgroundColor', 'black')
+  }
+
+});