function fontSize(size)
{
  size = size * 1;
  document.getElementById('body').style.fontSize = size + 'em';
  document.cookie = "fontSize=" + size;
  
  if (size > 0.9) {
    size = Math.round(size * 10 - 1) / 10;
    minLink = '<a href="#" onclick="fontSize(' + size + ');return false;"><img src="/fileadmin/tpl/share/font.minus.on.png" alt="" class="fontMinus" height="9" width="13" /></a>';
  } else {
    minLink = '<img src="/fileadmin/tpl/share/font.minus.off.png" alt="" class="fontMinus" height="9" width="13" />';
  }
  if (size < 1.4) {
    size = Math.round(size * 10 + 2) / 10;
    maxLink = '<a href="#" onclick="fontSize(' + size + ');return false;"><img src="/fileadmin/tpl/share/font.plus.on.png" alt="" class="fontPlus" height="9" width="13" /></a>';
  } else {
    maxLink = '<img src="/fileadmin/tpl/share/font.plus.off.png" alt="" class="fontPlus" height="9" width="13" />';
  }
  document.getElementById('fontSelect').innerHTML = minLink + maxLink;
}