title: Google Maps Api v3 custom InfoWindow - "google is not defined" error
body: <p>trying to create custom infowindows in my application that is based on google maps.</p>
  
  <p>next example is one of my base points for development:</p>
  
  <p><a href="http://gmaps-samples-v3.googlecode.com/svn/trunk/infowindow_custom/infowindow-custom.html" rel="noreferrer">http://gmaps-samples-v3.googlecode.com/svn/trunk/infowindow_custom/infowindow-custom.html</a></p>
  
  <p>problem is that whatever i use this or some other example, in forefox's firebug i'm getting error </p>
  
  <pre><code>google is not defined
  InfoBox.prototype = new google.maps.OverlayView(); 
  </code></pre>
  
  <p>can you help me how to solve this, i can not continue my work without custom infowindows.....</p>