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);