function initialize() {
	    var latlng = new google.maps.LatLng(49.834,18.288);
	    var myOptions = {
	      zoom: 17,
	      center: latlng,
	      mapTypeId: google.maps.MapTypeId.ROADMAP
	    };
	    var map = new google.maps.Map(document.getElementById("mapa1"),
	        myOptions);
	    var latlng = new google.maps.LatLng(49.850,18.268);
	    var myOptions = {
	      zoom: 17,
	      center: latlng,
	      mapTypeId: google.maps.MapTypeId.ROADMAP
	    };
	    var map = new google.maps.Map(document.getElementById("mapa2"),
	        myOptions);
	  
	  var latlng = new google.maps.LatLng(49.821,18.209);
	    var myOptions = {
	      zoom: 17,
	      center: latlng,
	      mapTypeId: google.maps.MapTypeId.ROADMAP
	    };
	    var map = new google.maps.Map(document.getElementById("mapa3"),
	        myOptions);
	   
	  var latlng = new google.maps.LatLng(49.835,18.284);
	    var myOptions = {
	      zoom: 17,
	      center: latlng,
	      mapTypeId: google.maps.MapTypeId.ROADMAP
	    };
	    var map = new google.maps.Map(document.getElementById("mapa4"),
	        myOptions);
	  }