var map;

function init() {
	var options = { controls: [
            new OpenLayers.Control.Navigation(),
            new OpenLayers.Control.KeyboardDefaults(),
            new OpenLayers.Control.Zoom(),
            new OpenLayers.Control.Scale(),
            new OpenLayers.Control.Attribution(),
            new OpenLayers.Control.LayerSwitcher( {title: 'Switch/add/remove layers'} )
        ]};
        var map = new OpenLayers.Map('map', options);
        map.projection = "EPSG:32717";
        map.displayProjection = new OpenLayers.Projection("EPSG:32717");
        map.maxExtent = new OpenLayers.Bounds(-100000, 3950000, 1150000, 4900000);
        //map.resolutions = [1800,900,450,225,120,50,25,10,4.5,3,2,1,0.5];
        //map.tileSize = new OpenLayers.Size(200, 200);
        var ign = new OpenLayers.Layer.WMS( "IGN topo","http://192.168.252.106:9100/geoserver/wms", {layers: 'senplades:car_bosques_protectores'} );
        map.addLayer(ign);
        //ign.attribution = 'IGN topo maps from <a target="_blank" href="http://www.idee.es/">IDEE</a>';
        
		//var pnoa = new OpenLayers.Layer.WMS( "PNOA aerial/topo", "http://www.idee.es/wms/PNOA/PNOA", {layers: 'pnoa'} );
        //map.addLayer(pnoa);
        //pnoa.attribution = 'PNOA photos from <a target="_blank" href="http://www.idee.es/">IDEE</a>';
        
		//var panel = new OpenLayers.Control.Panel();
        //panel.addControls([
        //    new OpenLayers.Control.Button({
        //        displayClass: "helpButton", trigger: function() {alert('help')}, title: 'Help'
        //    })
        //]);
        //map.addControl(panel);
        //map.addControl(new OpenLayers.Control.MousePosition( {id: "ll_mouse", formatOutput: formatLonlats} ));
        //map.addControl(new OpenLayers.Control.MousePosition( {id: "utm_mouse", prefix: "UTM ", displayProjection: map.baseLayer.projection, numDigits: 0} ));
        var lonlat = new OpenLayers.LonLat(-3.57138, 39.8384);
        lonlat.transform(map.displayProjection, map.baseLayer.projection);
        map.setCenter(lonlat, 5);

        //function formatLonlats(lonLat) {
        //    var lat = lonLat.lat;
        //    var long = lonLat.lon;
        //    var ns = OpenLayers.Util.getFormattedLonLat(lat);
        //    var ew = OpenLayers.Util.getFormattedLonLat(long,'lon');
        //    return ns + ', ' + ew + ' (' + (Math.round(lat * 10000) / 10000) + ', ' + (Math.round(long * 10000) / 10000) + ')';
        //}

}