diff --git a/index.html b/index.html
index 0180c07..45ce790 100644
--- a/index.html
+++ b/index.html
@@ -22,6 +22,7 @@ <h1 id="goButton" class="button">Go</h1>
       <div id="slowLight" class="bulb"></div>
       <div id="goLight" class="bulb"></div>
     </div>
-
+    <script src="js/jquery-2.1.4.js"></script>
+    <script src="js/main.js"></script>
   </body>
 </html>
diff --git a/js/main.js b/js/main.js
new file mode 100644
index 0000000..6e3efc6
--- /dev/null
+++ b/js/main.js
@@ -0,0 +1,24 @@
+$('#stopButton').click(illuminateRed);
+$('#slowButton').click(illuminateYellow);
+$('#goButton').click(illuminateGreen);
+
+function illuminateGreen() {
+  clearLights();
+  $('#goLight').css('backgroundColor', 'green');
+}
+
+function illuminateRed() {
+  clearLights();
+  $('#stopLight').css('backgroundColor', 'red');
+}
+
+function illuminateYellow() {
+  clearLights();
+  $('#slowLight').css('backgroundColor', 'yellow');
+}
+
+function clearLights() {
+  $('#stopLight').css('backgroundColor', 'black');
+  $('#slowLight').css('backgroundColor', 'black');
+  $('#goLight').css('backgroundColor', 'black');
+}
\ No newline at end of file