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;
		}

		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;
		}

		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 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;
		}

		window.onload = function(e) {
  		var cookie = readCookie("style");
  		var title = cookie ? cookie : getPreferredStyleSheet();
  		//setActiveStyleSheet(title);
		}

		window.onunload = function(e) {
  		var title = getActiveStyleSheet();
  		createCookie("style", title, 365);
		}

		var cookie = readCookie("style");
		var title = cookie ? cookie : getPreferredStyleSheet();
		//setActiveStyleSheet(title);