function AbrirPdf(dir,end) {
       loc='imagens/'+ dir + '/'+ end + '.pdf';
       prop='left=20,top=20,toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=yes,resizable=1,width=700,height=500;'
       janela=window.open(loc,"win",prop).focus()
       }