CartoDB.js example using several overlays for different sublayers

<!DOCTYPE html>
<html>
  <head>
    <title>Easy example | CartoDB.js</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
    <link rel="shortcut icon" href="https://cartodb.com/assets/favicon.ico" />
    <style>
      html, body, #map {
        height: 100%;
        padding: 0;
        margin: 0;
      }
      .list {
        position: absolute;
        background: white;
        top: 180px;
        left: 20px;
        padding: 20px;
        z-index: 10;
      }
    </style>
 
    <link rel="stylesheet" href="https://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" />
    
  </head>
  <body>
    <div id="map"></div>
 
    
    <script src="https://libs.cartocdn.com/cartodb.js/v3/cartodb.uncompressed.js"></script>
 
    <script>
 
      function main() {
 
        cartodb.createVis('map', 'https://xavijam.cartodb.com/api/v2/viz/f743c260-7dda-11e3-bf78-3085a9a9563c/viz.json')
        .done(function(vis, layers) {
          
          var rivers = layers[1].getSubLayer(1);
          rivers.setInteraction(true);
    
          vis.addOverlay({
            layer: rivers,
            type: 'tooltip',
            template: '<p>River id {{cartodb_id}}</p>'
          });

var australia = layers[1].getSubLayer(0);
          australia.setInteraction(true);
          // Hide infowindow for australia
          australia.infowindow.set('fields',[]);
    
          australia.set({
            sql: "SELECT * FROM australia_postcodes",
            interactivity: 'cartodb_id, poa_2006'
          });

vis.addOverlay({
            layer: australia,
            type: 'tooltip',
            template: '<p>Australia poa {{poa_2006}}</p>'
          });
      
          vis.addOverlay({
            layer: australia,
            type: 'infobox',
            template: '<div><h3>Cartodb id:{{cartodb_id}}</h3></div>',
            width: 100,
            position: 'bottom|right'
          });
        })
        .error(function(err) {
          console.log(err);
        });
      }
 
      window.onload = main;
    </script>
  </body>
</html>

Modified http://libs.cartocdn.com/cartodb.js/v3/cartodb.uncompressed.js to a secure url

https://libs.cartocdn.com/cartodb.js/v3/cartodb.uncompressed.js