function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a =document.getElementsByTagName("style")[i]); i++) {
    if(a.getAttribute("title")) {
      a.disabled =true;
      if(a.getAttribute("title") ==title) {
	a.disabled =false;
	cookieManager.setCookie("style", title, 365);
      }
    }
  }
  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);