function resizeText(multiplier) {
  if (document.body.style.fontSize == "") {
    document.body.style.fontSize = "75%";
  }
  document.body.style.fontSize = parseFloat(document.body.style.fontSize) + (multiplier) + "%";
}

function increaseFontSize ()
{
  resizeText (3);
}

function decreaseFontSize()
{
  resizeText (-3);
}

function addToFavorites(){
 var chr = 'D'; var agt=navigator.userAgent.toLowerCase();
 if(agt.indexOf("opera")!= -1) chr = 'T';
 try {window.external.AddFavorite(self.location,document.title); }
 catch(e) { alert("To add our website to your bookmarks use CTRL+" + chr + " on Windows and Linux and Command+" + chr + " on the Mac."); }
}