function increaseFont() {
  var _cookie = new Cookie("premierFontSize");
  _cookie.setValue('1.1em');
  
  setFont();
  
  return false;
}

function decreaseFont() {
  var _cookie = new Cookie("premierFontSize");
  _cookie.setValue('1em');
  //_cookie.unload();
  
  setFont();
  
  return false;
}

function setFont() {
  var _cookie = new Cookie("premierFontSize");
  var size = _cookie.getValue();
  
  if (size == '') {    
    size = '1em';
  }
    
  try {
    document.getElementById('body').style.fontSize = size;
  } catch (e) {
    document.getElementById('body').style.fontSize = '1em';
  }
}