Revise exit function

Resets to default page.

Author: russellprimeau

index.html

@@ -23,7 +23,7 @@ <h1>IBA Virtual Laboratory</h1>
       </button>
       <button class="tab is-active" role="tab" aria-selected="true"
               aria-controls="tab-simulation" id="tabbtn-simulation" data-tab="simulation">
-        Simulation
+        Virtual Lab
       </button>
       <button class="tab" role="tab" aria-selected="false"
               aria-controls="tab-resources" id="tabbtn-resources" data-tab="resources">