var centerLatitude = 46.30875;
var centerLongitude = -79.429140;
var description = '<a href="http://maps.google.ca/maps?f=q&hl=en&time=&date=&ttype=&q=Progress+Ct,+North+Bay,+Nipissing," target="_blank">Click here for directions</a>';
var startZoom = 15;
var map;

function addMarker(latitude, longitude, description) {
var marker = new GMarker(new GLatLng(latitude, longitude));
GEvent.addListener(marker, 'click',
function() {
marker.openInfoWindowHtml(description); 
}
);
map.addOverlay(marker);
}

function init()
{
if (GBrowserIsCompatible()) {
map = new GMap2(document.getElementById("map"));
var location = new GLatLng(centerLatitude, centerLongitude);
map.setCenter(location, startZoom);
map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());

addMarker(centerLatitude, centerLongitude, description);

}
}
window.onload = init;
window.onunload = GUnload;