function openWindow(url) {
   pop = window.open(url,'newsletter','toolbar=0,location=no,directories=0,status=0,scrollbars=yes,resizable=yes,width=700,height=440');
   if (navigator.appName == 'Netscape') {
      pop.focus();
   }
}

function newsletterSample(url) {
   pop = window.open(url,'newsletter','toolbar=0,location=no,directories=0,status=0,scrollbars=yes,resizable=yes,width=760,height=440');
   if (navigator.appName == 'Netscape') {
      pop.focus();
   }
}

function open_newwin(url,name, w, h) {
  l=(window.screen.width/2)-(w/2);
  t=(window.screen.height/2)-(h/2);

  features = "width="+w+",height="+h+",left="+l+",top="+t;
  features += ",screenX="+l+",screenY="+t;
  features += ",scrollbars=1,resizable=0,location=0";
  features += ",menubar=0,toolbar=0,status=0";

  window.open(url, name, features); 
}

function submitNL() {
  document.nlform.submit();
}