function LayoutSelection(){
var stylesheetname = getActiveStyleSheet()
t = '<p id="layoutlabel">Layout:</p>'
t += '<form id="ls"><select size="1" id="layoutsel" name="layoutsel" title="Hier können Sie während der Fahrt das Layout wechseln!" alt="Hier können Sie während der Fahrt das Layout wechseln!" onchange="setActiveStyleSheet(this.form.layoutsel.options[this.form.layoutsel.options.selectedIndex].value, true) "> onKeyPress="setActiveStyleSheet(this.form.layoutsel.options[this.form.layoutsel.options.selectedIndex].value, true) ">'
t += '<option value="standard"' + ((stylesheetname == 'standard') ? ' selected="selected"' : '') + '>standard</option>'
t += '<option value="kontrast"' + ((stylesheetname == 'kontrast') ? ' selected="selected"' : '') + '>kontrast</option>'
t += '<option value="null"' + ((stylesheetname == 'null') ? ' selected="selected"' : '') + '>Ohne Layout</option>'
t += '</select>'
t += '</form>'
document.write(t)
}

// The following stuff was written (as OpenSource) by Paul Snowden, see://
// http://www.alistapart.com/stories/alternate/  //
// Thank's a lot, Paul! //

function setActiveStyleSheet(title, CreateCookieFlag) {
  var i, a, main;
  if (title) {
    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;
  	/*			createCookie("style", title, 365);*/
        }
      }
    }
    if (CreateCookieFlag) {
   createCookie("style", title, 365);
   }
  }
}

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, false);