template

<html>
<head>
  <link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" />
  <script src="http://libs.cartocdn.com/cartodb.js/v3/cartodb.js"></script>
  <!--[if lte IE 8]>
    <link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v2/themes/css/cartodb.ie.css" />
  <![endif]-->
  <style>
    html, body {width:100%; height:100%; padding: 0; margin: 0;}
    #cartodb-map { width: 100%; height:100%; background: black;}
  </style>

  <script>
    var map;
    function init(){
      // initiate leaflet map
      map = new L.Map('cartodb-map', { 
        center: [0,0],
        zoom: 2
      })
            var layerUrl = 'http://documentation.cartodb.com/api/v2/viz/836e37ca-085a-11e4-8834-0edbca4b5057/viz.json';
    }
  </script>
</head>
<body onload="init()">
  <div id='cartodb-map'></div>
</body>
</html>