ImageMapType attribution for maps.stamen.com

gistfile1.txt

// Adds attribution for maps.stamen.com tiles to Google maps
// You will need to add these CSS styles 
/*
#stamen-maps-attribution {
  font-family: Roboto, Arial, sans-serif;
  z-index: 1;
}
#stamen-maps-attribution > div {
  background-color: rgb(245, 245, 245);
  opacity: 0.7;
}
#stamen-maps-attribution p {
  margin: 0;
  font-size: 10px;
  padding: 0 6px;
}
*/

// I am the attribution function,
// call me after initializing the map
function stamenMapAttribution(map) {
  var attributionElm = document.createElement('div');
  attributionElm.id = "stamen-maps-attribution";

  var controlUI = document.createElement('div');
  attributionElm.appendChild(controlUI);

  var controlText = document.createElement('p');
  controlText.innerHTML = 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="http://openstreetmap.org">OpenStreetMap</a>, under <a href="http://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>.';
  controlUI.appendChild(controlText);

  map.controls[google.maps.ControlPosition.BOTTOM_RIGHT].push(attributionElm);
}

/* ----------------------------------------------------------- */
// EXAMPLE USAGE:
/*
<script>
var map;
function initialize() {
  var mapOptions = {
    zoom: 8,
    center: new google.maps.LatLng(-34.397, 150.644)
  };
  map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
  // Add attribution
  stamenMapAttribution(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
*/