function recomendar(URL) {
  var width = 520;
  var height = 320;
  var left = 50;
  var top = 100;
  window.open(URL, 'ema3', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
}


function erro(URL) {
  var width = 520;
  var height = 260;
  var left = 50;
  var top = 10
  window.open(URL, 'ema3', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
}