function fontsize(value) {
  if (navigator.userAgent.indexOf("MSIE") >= 0) {
    if (value > 100 ) {
      document.body.style.zoom = value / 100;
    } else {
      document.body.style.zoom = 1;
    }
  }
  else {
    document.lastChild.lastChild.style.fontSize = value + '%';
  }
  createCookie('fontsizefz', value, 14);
}

function createCookie(name, value, days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    var expires = "; expires=" + date.toGMTString();
  }
  else var expires = "";
  document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for (var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == ' ') c = c.substring(1, c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
  }
  return null;
}

function fontsizeInit() {
  if (document.cookie) {
    fonts = readCookie('fontsizefz');
    if (fonts) {
      if (fonts != '') {
        fontsize(fonts);
      } else {
        fontsize(94);
      }
    } else {
      fontsize(94);
    }
  }
}