// Initialisation function
function load() {

  if ( !GBrowserIsCompatible() )
    return;
    
  // Create the map
  var map = new GMap2(document.getElementById("map"));
  map.addControl(new GSmallMapControl());
  map.addControl(new GMapTypeControl());
  map.setCenter( new GLatLng( 53.989974, -1.100169 ), 15 );
                  
  // Set up our GMarkerOptions object

  var point = new GLatLng( 53.989974, -1.100169 );
  var markerInfo = '<strong>York Eco Business Centre</strong><br />Amy Johnson Way<br />Clifton Moor<br />York, YO30 4AG';
  var marker = createMarker( point, markerInfo );
  map.addOverlay( marker );
}

// Creates a marker at the given point with the given info label
function createMarker( point, info, options, id ) {

  var marker = new GMarker( point, options );
  
  GEvent.addListener( marker, "click", function() {
    marker.openInfoWindowHtml( info );
  } );
  
  return marker;
}