function initialize() {
    var latlng = new google.maps.LatLng(41.3835119, 2.1394023);
    var myOptions = {
      zoom: 14,
      center: latlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var map = new google.maps.Map(document.getElementById("map_canvas"),
        myOptions);
    var contentString = '<div id="content">'+
      '<p><b>Centre de Ioga Siddharta</b></p>'+
      '<div id="bodyContent">'+
      '<p>Berlín, 63-65, Ent,2ª</p>'+
      '<p>Tels: 93 4196 959 - 629 588 870</p>'+
      '</div>'+
      '</div>';
    var infowindow = new google.maps.InfoWindow({
      content: contentString
    });
    var marker = new google.maps.Marker({
        position: latlng, 
        map: map, 
        title:"Centre de Ioga Siddaharta"
    })
    google.maps.event.addListener(marker, 'click', function() {
      infowindow.open(map,marker);
    });
  }