hw.js

    //var gsat = new OpenLayers.Layer.Google("SATELLITE", {type: google.maps.MapTypeId.SATELLITE, sphericalMercator:true, 'maxExtent': _bounds}),
	var ghyb = new OpenLayers.Layer.Google(
    "Google Hybrid",
    {"type": google.maps.MapTypeId.HYBRID, "sphericalMercator":true,}
);
            var options = {
                controls: [],
                projection: new OpenLayers.Projection('EPSG:900913'), // senza la proiezione mi stampa metà layer
                units: "m",
                numZoomLevels: 16,
		maxResolution: 156543.0339,
		maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34,
                                     20037508.34, 20037508.34)
            };
	var map = new OpenLayers.Map('map',options);
            var regioni_wms = new OpenLayers.Layer.WMS(
    "regioni",
    "http://localhost:8080/geoserver/wms",
    {
        layers: "reg2011_g" ,
        transparent: "true",
        format: "image/png",
        srs:'EPSG:900913', // old: 'EPSG:2077'
	zoomOffset: 3,
    },
    {isBaseLayer: false}
);
var comuni_wms = new OpenLayers.Layer.WMS(
    "comuni",
    "http://localhost:8080/geoserver/wms",
    {
        layers: "com2011_g" ,
        transparent: "true",
        format: "image/png",
        srs:'EPSG:900913', // old: 'EPSG:2077'
	zoomOffset: 3,
    },
    {isBaseLayer: false}
);
var province_wms = new OpenLayers.Layer.WMS(
    "province",
    "http://localhost:8080/geoserver/wms",
    {
        layers: "prov2011_g" ,
        transparent: "true",
        format: "image/png",
        srs:'EPSG:900913', // old: 'EPSG:2077'
	zoomOffset: 3,
    },
    {isBaseLayer: false}
);
var cap_wms = new OpenLayers.Layer.WMS(
    "cap",
    "http://localhost:8080/geoserver/wms",
    {
        layers: "CapCR2006" ,
        transparent: "true",
        format: "image/png",
        srs:'EPSG:900913', // old: 'EPSG:2077'
	zoomOffset: 3,
    },
    {isBaseLayer: false}
);
        map.addLayer(ghyb);
	map.addLayer(regioni_wms);
	map.addLayer(province_wms);
	map.addLayer(comuni_wms);
	map.addLayer(cap_wms);
	//map.addLayer(wms) //non funziona
        map.zoomToMaxExtent();
        map.addControl(new OpenLayers.Control.LayerSwitcher());
        /*
        var point = new OpenLayers.LonLat( 41.9,12.48);
        map.setCenter(point)*/