var mapa; // mapa musi być zmienną globalną
	function mapaStart()
	{
		if(GBrowserIsCompatible())  
		{
			function dodajMarker(lat,lon,opcje,txt)
			{			 
			 // tworzymy marker
				var marker = new GMarker(new GLatLng(lat,lon),opcje);
				marker.txt=txt;
				mapa.addOverlay(marker);
				GEvent.addListener(marker,"click",function() {
					marker.openInfoWindowHtml(marker.txt);
				});
				return marker;
			}
			mapa = new GMap2(document.getElementById('mapka'),{mapTypes: [G_NORMAL_MAP]});
			mapa.setCenter(new GLatLng(51.53053,20.02138),15);  			
			mapa.addControl(new GSmallMapControl());
			mapa.addControl(new GOverviewMapControl());
			mapa.enableContinuousZoom();
			
		 	var ikonka = new GIcon();
				ikonka.image = "http://maps.google.com/mapfiles/kml/pal4/icon48.png";
				ikonka.iconAnchor = new GPoint(16, 16); // punkt zaczepienia
				ikonka.shadow = "";
				ikonka.infoWindowAnchor = new GPoint(16,16);  
				ikonka.iconSize = new GSize(32, 32);
			var markerContent = '<div class="dymek"><h4>NATPOL</h4>Nasza siedziba</div>';
			var marker1 = dodajMarker(51.529217982327985, 20.019696950912476,{title: 'NATPOL', icon: ikonka},markerContent);
		  
			marker1.openInfoWindowHtml(marker1.txt);
		}
	}