var Stil = "Standard";
	var Keks = "Layout";
	var Tage = 30;
	
	// Style Switcher	
	function switchStyle(s) {	
	  if (!document.getElementsByTagName) return;
	  var el = document.getElementsByTagName("link");
	  for (var i = 0; i < el.length; i++ ) {
		if (el[i].getAttribute("rel").indexOf("style") != -1 && el[i].getAttribute("title")) {
		  el[i].disabled = true;
		  if (el[i].getAttribute("title") == s) el[i].disabled = false;
		}
	  }
	}
	
	function loadStyle() {
	  var c = getStyleCookie();
	  if (c && c != Stil) {
		switchStyle(c);
		Stil = c;
	  }
	}
	
	function setStyle(s) {
	  if (s != Stil) {
		switchStyle(s);
		Stil = s;
	  }
	}
	
	window.onload = loadStyle;
	
	
	// Cookie-Funktionen
	function setCookie(name, value, expdays) {   // gültig expdays Tage
	  var now = new Date();
	  var exp = new Date(now.getTime() + (1000*60*60*24*expdays));
	  document.cookie = name + "=" + escape(value) + ";" +
						"expires=" + exp.toGMTString() + ";" +
						"path=/";
	}
	
	function delCookie(name) {   // expires ist abgelaufen
	  var now = new Date();
	  var exp = new Date(now.getTime() - 1);
	  document.cookie = name + "=;" +
						"expires=" + exp.toGMTString() + ";" + 
						"path=/";
	}
	
	function getCookie(name) {
	  var cname = name + "=";
	  var dc = document.cookie;
	  if (dc.length > 0) {
		var start = dc.indexOf(cname);
		if (start != -1) {
		  start += cname.length;
		  var stop = dc.indexOf(";", start);
		  if (stop == -1) stop = dc.length;
		  return unescape(dc.substring(start,stop));
		}
	  }
	  return null;
	}
	
	function setStyleCookie() {
	  setCookie(Keks, Stil, Tage);
	}
	
	function getStyleCookie() {
	  return getCookie(Keks);
	}
	
	function delStyleCookie() {
	  delCookie(Keks);
	}