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();
//if(cookie == ""){
//setActiveStyleSheet("klein");
//}else{
setActiveStyleSheet(title);
//}
}

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

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


function csstauschan(Bildname) {
		document.images[Bildname].className = "projektbildaus";
		}

function csstauschaus(Bildname) {		
		document.images[Bildname].className = "projektbild"; 
}


//Peppi
var d = document
function on(pnr,event,pos){
var tempX = 120; //left
		if (d.all) {
			var tempY = pos;
		}else{
			var tempY = pos+10; //top
		}
//alert("tempX =" + tempX + " & tempY " + tempY + "."); // test

var menpn = "peppi" + pnr;

document.getElementById(menpn).style.top= tempY; // 
document.getElementById(menpn).style.left= tempX; //
document.getElementById(menpn).style.visibility='visible';
}

function off(pnr){
var menpn = "peppi" + pnr;
document.getElementById(menpn).style.visibility='hidden';
}