var cookie = getCookie("saFontStyle");
var title = cookie ? cookie : getActiveStyle();
switch (title) {
case "fontSizeD":
    document.getElementById('main').style.fontSize='97%';
    break;
case "fontSizeS":
    document.getElementById('main').style.fontSize='80%';
    break;
case "fontSizeL":
    document.getElementById('main').style.fontSize='120%';
    break;
case "fontSizeM":
    document.getElementById('main').style.fontSize='97%';
    break;
}