function AbreJanela(nmwin, url, w, h, t, l, status, scrollbar) {
   nmwin = window.open(url,nmwin,'top='+t+',left='+l+',resizable=no,location=no,toolbar=no,status='+status+',width='+w+',height='+h+',scrollbars='+scrollbar);
   if (nmwin && nmwin.open) { nmwin.focus(); }
}