<!-- Cookie Scripts from http://www.quirksmode.org/js/cookies.html -->

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 var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	}
	
function readCookie(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;
	}

function eraseCookie(name)
	{
		createCookie(name,"",-1);
	}


function setFontSize(fontVal) {
    var docBase = new Array();
    docBase = document.getElementsByTagName('body');
    var docSize = fontVal+'%';
    createCookie('CLK-size', fontVal, 365);
    docBase[0].style.fontSize = docSize;
}

function setFontSizeOld(fontVal) {
    var docBase = new Array();
    docBase = document.getElementsByTagName('body');
    var docSize = fontVal+'%';
    createCookie('CLK-size', fontVal, 365);
    docBase[0].style.fontSize = docSize;
}


<!-- Java script from http://www.alistapart.com/stories/alternate/ -->

function setActiveStyleSheet(title) {
  var i, a, main;
  if (title) {
    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('CLK', title, 365);
}

function getActiveStyleSheet() {
    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 getPreferredStyleSheet() {
  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;
}

if(document.getElementById){

window.onload = function(e) {
  var cookie = readCookie('CLK');
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  var cookie2 = readCookie('CLK-size');
  if (cookie2) {setFontSize(cookie2);}
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie('CLK', title, 365);
}

  var cookie = readCookie('CLK');
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  
  }