function g_init() {
	//centro della mappa
	var latlng = new google.maps.LatLng(44.495436,11.329904);

	var myOptions = {
		zoom: 15,
		center: latlng,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	var map = new google.maps.Map(document.getElementById("gmap"),
		myOptions);

	//icona segnaposto
	var image = './img/marker.png';
	var myLatLng = new google.maps.LatLng(44.495436,11.329904);
	var MyMarker = new google.maps.Marker({
		position: myLatLng,
		map: map
	});

	var content_string = '<div class="comment"><br /><b>Pratello 90 S.r.l. di Angeloni e Mantovani</b><br />Via del Pratello, 90<br /> 40122 Bologna<br /><br /></div>';

	var infowindow = new google.maps.InfoWindow({
		content: content_string
	});

	google.maps.event.addListener(MyMarker, 'click', function() {
			infowindow.open(map,MyMarker);
	});

	infowindow.open(map,MyMarker);
}