var centerLatitude = 40.6897;
var centerLongitude = -74.0446;
var startZoom = 12;

var map;

function init()
{
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map"));
		map.addControl(new GSmallMapControl());
		map.addControl(new GMapTypeControl());
		map.setCenter(new GLatLng(centerLatitude, centerLongitude), startZoom);
		
		//allow the user to click the map to create a marker
		GEvent.addListener(map, "click", function(overlay, latlng) {
			map.openInfoWindow (latlng,document.createTextNode("You clicked here!"));
			});
		
	}//if
}//function
window.onload = init;
window.onunload = GUnload;