function linkar(endereco){
  window.open(endereco,"","");
}
function popup(nome,w,h){
  window.open(nome,'popup','scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width='+w+',height='+h);
}
function popmapa(){
  window.open('mapa.html','','scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=500,height=400');
}