function add_act(relpath_artic, dia) {
  var options = "width=450,height=290,top=10,left=10,screenX=10,screenY=10,toolbar=0,status=0,menubar=0,scrollbars=0,resizable=0,location=0,directories=0";
  var argumento = 'url_port=' + location.href + '&relpath_artic=' + relpath_artic + '&dia=' + dia;
  var pop = window.open('/prontus_concejobogota/stat/newact.html?' + argumento, 'newact', options);
  pop.focus();
};