title: google map api putting events on buildings
body: <p>I am implementing University campus map.</p>
  
  <p>I am trying to make put color on some buildings and add event on each of them.
  I've tried to use marker's but it didn't work for me.</p>
  
  <p>I have a sample page that provides the things what I am trying to do.</p>
  
  <p><a href="http://maps.uottawa.ca/" rel="nofollow">http://maps.uottawa.ca/</a></p>
  
  <p>any idea how they made it?</p>