function fontSize(value) {
          if (!(s5ss = document.getElementById('s5ss'))) {
                  if (!isIE) {
                          document.getElementsByTagName('head')[0].appendChild(s5ss = document.createElement('style'));
                          s5ss.setAttribute('media','screen, projection');
                          s5ss.setAttribute('id','s5ss');
                  } else {
                          document.createStyleSheet();
                          document.s5ss = document.styleSheets[document.styleSheets.length - 1];
                  }
          }
          if (!isIE) {
                  while (s5ss.lastChild) s5ss.removeChild(s5ss.lastChild);
                  s5ss.appendChild(document.createTextNode('body {font-size: ' + value + ' !important;}'));
          } else {
                  document.s5ss.addRule('body','font-size: ' + value + ' !important;');
          }
  }