function createMarker(point) {
  var marker = new GMarker(point);
  GEvent.addListener(marker, 'click', function() {
    marker.openInfoWindowHtml('<center>Art Concepts</center>');
  });
  return marker;
}

function load() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById('map'));
	var point = new GLatLng(37.909127,-122.067)
    map.setCenter(point, 13);
  	map.addOverlay(createMarker(point, 'Art Concepts'));
  }
}