function add_bookmark() {
  var browsName = navigator.appName; 
  if (browsName == "Microsoft Internet Explorer") { 
  window.external.AddFavorite('http://www.voolivrebrasil.com.br','Voo Livre Brasil');
  } else 
  if (browsName == "Netscape") {
  alert ("\nPara adicionar essa página ao seu BookMark aperte CTRL+D");
  }
}

// Today's Date
var now = new Date();
var mName = now.getMonth() + 1;
var dName = now.getDay() + 1;
var dayNr = now.getDate();
var yearNr=now.getYear();
if(dName==1) Day = "domingo";
if(dName==2) Day = "segunda";
if(dName==3) Day = "terça";
if(dName==4) Day = "quarta";
if(dName==5) Day = "quinta";
if(dName==6) Day = "sexta";
if(dName==7) Day = "sábado";
if(yearNr < 2000) Year = 1900 + yearNr;
else Year = yearNr;

var todaysDate =(" " + Day + ", " + dayNr + "/" + mName + "/" + Year);

<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->