// Marker sizes are expressed as a Size of X,Y
// where the origin of the image (0,0) is located
// in the top left of the image.
// Origins, anchor positions and coordinates of the marker
// increase in the X direction to the right and in
// the Y direction down.
var markerImage = new google.maps.MarkerImage('/images/logo_igc_googlemap.png',
			// This marker is X pixels wide by Y pixels tall. new google.maps.Size(X, Y)
			new google.maps.Size(21, 21),
			// The origin for this image is 0,0.
			new google.maps.Point(0,0),
			// The anchor for this image is the base of the flagpole at 0,32.
			new google.maps.Point(10, 10));
var markerShadow = new google.maps.MarkerImage('/images/logo_igc_googlemap_shadow.png',
			// The shadow image is larger in the horizontal dimension
			// while the position and offset are the same as for the main image.
			new google.maps.Size(21, 21),
			new google.maps.Point(0,0),
			new google.maps.Point(10, 10));
// Shapes define the clickable region of the icon.
// The type defines an HTML <area> element 'poly' which
// traces out a polygon as a series of X,Y points. The final
// coordinate closes the poly by connecting to the first
// coordinate.
var markerShape = {
  coord: [2, 2, 2, 18, 18, 18, 18, 2],
  type: 'poly'
};

var initGooglemapZoomMini = 0;
var initGooglemapZoomMaxi = 20;