function setActiveStyleSheet(title)
{
  var i, a;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++)
  {
    if (a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("title"))
    {
      a.disabled = true;
      if (a.getAttribute("title") == title)
      {
        a.disabled = false;
      }
    }
  }
  createCookie("style", title, 365);
}

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 expires = "";
  document.cookie = name+"="+value+expires+"; path=/; domain="+window.location.host;
}