var cookie = " " + document.cookie;
  var search = " " + "page-font-size=";
  var setStr = null;
  var offset = 0;
  var end = 0;
  if (cookie.length > 0)
  {
    offset = cookie.indexOf(search);
     if (offset != -1)
       {
         offset += search.length;
         end = cookie.indexOf(";", offset)
         if (end == -1)
           {
             end = cookie.length;
           }
         setStr = unescape(cookie.substring(offset, end));
       }
   }



  if (setStr != '')
  {
    var css;
    var html_doc = document.getElementsByTagName('head')[0];
    css = document.createElement('link');
    css.setAttribute('rel', 'stylesheet');
    css.setAttribute('type', 'text/css');
    css.setAttribute('href', cssString +'font'+ setStr  +'.css');
    html_doc.appendChild(css);
  }