function mapa(latitud,longitud,zoom,titulo){
if(GBrowserIsCompatible() && document.getElementById("map")){
var map = new GMap2(document.getElementById("map"));
map.addControl(new GSmallMapControl());
map.setCenter(new GLatLng(latitud,longitud),zoom);
var info=[new GInfoWindowTab(titulo,"<img src=\"img/logo-min.png\" width=\"200\" height=\"43\" alt=\""+titulo+"\" />")];
var marker=new GMarker(map.getCenter());
GEvent.addListener(marker,"click",function(){marker.openInfoWindowTabsHtml(info);});
map.addOverlay(marker);
marker.openInfoWindowTabsHtml(info);
}}