var lat;
var long;
var pop_up;

function initialise_page(){

		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		map.addControl(new GScaleControl());

	if (lat && long){
		load_marker();
	}
}

function load_marker(){
	lieu = new google.maps.LatLng(lat,long);
	map.setCenter(lieu, 15);
	var baseIcon = new GIcon(G_DEFAULT_ICON);

	marker = new GMarker(lieu, {icon: baseIcon, infowindowtext: pop_up});
	marker.infowindowtext = pop_up;
	GEvent.addListener(marker, "mouseover", function() {
		this.openInfoWindowHtml(this.infowindowtext);
	});
	map.addOverlay(marker);
}