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 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=/";
}

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

window.onload = function(e) {
	var activeStyleSheet = readCookie("style") || 'large';
	setActiveStyleSheet(activeStyleSheet);
}

var activeStyleSheet = readCookie("style") || 'large';
setActiveStyleSheet(activeStyleSheet);