function FONTsetActiveStyleSheet(title) {
  var i, a, main;
  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;
    }
  }
}

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

function FONTgetPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function FONTcreateCookie(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=/";
}

function FONTreadCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = FONTreadCookie("style");
  var title = cookie ? cookie : FONTgetPreferredStyleSheet();
  FONTsetActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = FONTgetActiveStyleSheet();
  FONTcreateCookie("style", title, 365);
}

var cookie = FONTreadCookie("style");
var title = cookie ? cookie : FONTgetPreferredStyleSheet();
FONTsetActiveStyleSheet(title);

document.writeln(" \
<div id=\"FontSwitcher\"> \
<a onfocus=\"blur()\" href=\"#\" \
onclick=\"FONTsetActiveStyleSheet('SmallFont');return false;\" title=\"\" id=\"SmallFont\">Small Font</a> | \
<a onfocus=\"blur()\" href=\"#\" \
onclick=\"FONTsetActiveStyleSheet('LargeFont');return false;\" title=\"\" id=\"LargeFont\">Large Font</a> \
</div> \
");