function abrirp(URL) {

   var width = 498;
   var height = 273;

   var left = 100;
   var top = 100;

   window.open(URL,'PONTO', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');

}