Add call to action

index.html

@@ -145,6 +145,7 @@
     <li><a href="#model">Model</a></li>
     <li><a href="#implementation">Implementation</a></li>
     <li><a href="#demo">Live Demo</a></li>
+    <li><a href="#try">Try Gurobi for Free</a></li>
   </ul>
 
   <div id="example_container">
@@ -577,8 +578,40 @@ <h2><a href="#demo" name="demo">Live Demo</a></h2>
       </div>
       <div id="map-canvas"></div>
       <div id="outputDiv"></div>
-		</div>
-	</div>
+
+      <div class="example_section" id="try">
+      <h2><a href="#try" name="try">Try Gurobi for Free</a></h2>
+      <p> We hope this example has taught you a bit about vehicle
+        routing, and using Gurobi. We encourage you
+        to try the example out for yourself with Gurobi.  To enable
+        this, we provide easy access to a full-featured evaluation
+        version of Gurobi.
+      </p>
+      <div class="col_5 column">
+        <a href="http://www.gurobi.com/downloads/evaluation-request">
+          <button class="red stack-button">
+            <i class="fa fa-lg fa-line-chart"></i>
+            Commercial Users: Free Evaluation Version
+          </button>
+        </a>
+      </div>
+      <div class="col_5 column">
+        <a href="http://www.gurobi.com/downloads/download-center">
+          <button class="red stack-button">
+            <i class="fa fa-lg fa-line-chart"></i>
+            Academic Users: Free Academic Version
+          </button>
+        </a>
+      </div>
+      <p>
+        We are always happy to discuss your needs and answer your questions.
+        Just <a href="http://www.gurobi.com/company/contact-us">contact us</a>
+        at your convenience.
+      </p>
+    </div>
+
+    </div>
+  </div>
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