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

var cookie = cookieManager.getCookie('style');
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);