function toggle(id){
  if(document.getElementById(id).style.display == 'block'){
      document.getElementById(id).style.display = 'none';
   }
   else{
       document.getElementById(id).style.display = 'block';
   }
}

		
		
		function SaugaufCSSActiveStyleSheet(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 getSaugaufCSSActiveStyleSheet() {
		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 getSaugaufCSSPreferredStyleSheet() {
		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 createSaugaufCSSCookie(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 readSaugaufCSSCookie(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 = readSaugaufCSSCookie("style");
		var title = cookie ? cookie : getSaugaufCSSPreferredStyleSheet();
		SaugaufCSSActiveStyleSheet(title);
			}

		window.onunload = function(e) {
		var title = getSaugaufCSSActiveStyleSheet();
		createSaugaufCSSCookie("style", title, 1);
			}

		var cookie = readSaugaufCSSCookie("style");
		var title = cookie ? cookie : getSaugaufCSSPreferredStyleSheet();
		SaugaufCSSActiveStyleSheet(title);