var map = null;
    var geocoder = null;

function createMarker(point) {
  var marker = new GMarker(point);
  GEvent.addListener(marker, "mouseover", function() {
    marker.openInfoWindowHtml("<b>The Northern Healey Centre</b><br>Willowbridge Lane<br>Whitwood<br>Castleford<br>West Yorkshire<br>WF10 5NW<br>");
  });
  return marker;
}