var confi = {
    latitude  : 42.548022,
    longitude : 1.551819,
    zoom      : 9
}

google.load("maps", "2.x");

google.setOnLoadCallback(function(){

	if($googleMap = document.getElementById('googleMap')){
            var map = new google.maps.Map2($googleMap);
            map.setCenter(new google.maps.LatLng(confi.latitude, confi.longitude), confi.zoom);
            map.setUIToDefault();
    // Creacion del icono o marca
            var tinyIcon = new GIcon();
            tinyIcon.image = "images/backgrounds/icon-google-map.png";
            //tinyIcon.shadow = "../images/backgrounds/icon-logo-google-maps.png";
            tinyIcon.iconSize = new GSize(38, 36);
            tinyIcon.shadowSize = new GSize(22, 20);
            tinyIcon.iconAnchor = new GPoint(0, 0);
            tinyIcon.infoWindowAnchor = new GPoint(5, 1);
            icon = { icon:tinyIcon };

            var latlng = new GLatLng(confi.latitude, confi.longitude);
            map.addOverlay(new GMarker(latlng, icon));
	}
});