function initialize() {
    var stred = new google.maps.LatLng(49.03841, 19.711195);
    var gtb = new google.maps.LatLng(49.03841, 19.711195);
    var myOptions = {
      zoom: 16,
      center: stred,
      mapTypeId: google.maps.MapTypeId.HYBRID
    };
    var map = new google.maps.Map(document.getElementById("map"), myOptions);
    var popis = '<div style="width: 260px; font-size: 75%; text-align: center">'+
    			'<a href="http://www.gtb.sk">GTB a.s.</a><br>'+
    			'<a href="fotky/fotofirmy.jpg" rel="lightbox" title="GTB a.s."><img src="fotky/fotofirmy.jpg" alt="fasada" style="width: 159px; height:120px; margin: 0 auto "></a>'+
    			'<br>SNP 01<br>'+
			 	'/ GTB a.s. /<br>'+
			    'Liptovský Hrádok, 033 01<br>'+
    			'</div>';

	var infowindow = new google.maps.InfoWindow({
	    content: popis
	});
	
	var marker = new google.maps.Marker({
	    position: gtb,
	    map: map,
	    title:"GTB a.s."
	});
	
	google.maps.event.addListener(marker, 'mouseup', function() {
	  infowindow.open(map,marker);
	});
  }