var mapa;
		var dymek = new google.maps.InfoWindow(); // zmienna globalna
		
		function dodajMarker(lat,lng,txt)
		{
			// tworzymy marker
			var opcjeMarkera =   
			{  
				position: new google.maps.LatLng(lat,lng),  
				map: mapa
			}  
			var marker = new google.maps.Marker(opcjeMarkera);
			marker.txt=txt;
			
			google.maps.event.addListener(marker,"click",function()
			{
				dymek.setContent(marker.txt);
				dymek.open(mapa,marker);
			});
			return marker;
		}
		
		function mapaStart()   
		{   
			var wspolrzedne = new google.maps.LatLng(51.750042,19.557981);
			var opcjeMapy = {
			  zoom: 12,
			  center: wspolrzedne,
			  mapTypeId: google.maps.MapTypeId.ROADMAP
			};
			
			mapa = new google.maps.Map(document.getElementById("mapka"), opcjeMapy); 
			var marker1 = dodajMarker(51.73883,19.518135,'<strong>Biuro GP LINES</strong><br />Wiośniana 23, 93-228 Łódź<br />');
			var marker2 = dodajMarker(51.736558,19.595199,'<strong>Baza GP LINES</strong><br />Zakładowa 143, 92-402 Łódź<br />');
			google.maps.event.trigger(marker1,'click');
		}