// JavaScript Document
function setActiveStyleSheet(title) {
   var i, a, main;
   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;
     }
   }
}
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;
 }