function setActiveStyleSheet(title) {
  var i, a, main;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        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") &&
        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") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("rel").indexOf("alt") == -1 &&
        a.getAttribute("title")
        ) return a.getAttribute("title");
  }
  return null;
}

//-----------------------------------------------------------------------------------------------------
//  Standard-Fontgroesse wiederherstellen
//-----------------------------------------------------------------------------------------------------
function reset()
{
 setActiveStyleSheet("default");
 setbodysize("85%"); 
 if (moz) { 
   p = document.getElementsByTagName('body')[0];
   p.parentNode.replaceChild(p,p);
 }
 return false;
}

//-----------------------------------------------------------------------------------------------------
//  Neuen keks anlegen
//-----------------------------------------------------------------------------------------------------
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=/";
}
//-----------------------------------------------------------------------------------------------------
//  Kekse lesen
//-----------------------------------------------------------------------------------------------------
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;
}
//-----------------------------------------------------------------------------------------------------
//  Cookie setzen
//-----------------------------------------------------------------------------------------------------
window.onload = function(e) 
{
  var style = readCookie("maxstyle");
  var title = style ? style : getPreferredStyleSheet();
  setActiveStyleSheet(title);

  // Alte vergroesserung wiederherstellen
  cookie=readCookie("maxpref"); 
  val=cookie ? cookie : "85%"; //changed from 100% - pf
  setbodysize(val);
}
//-----------------------------------------------------------------------------------------------------
//  Ueberfluessiges
//-----------------------------------------------------------------------------------------------------
window.onunload = function(e) 
{
  var title = getActiveStyleSheet();
  createCookie("maxstyle", title, 365);
}

var status, dom, cookie, expl, fontsizetool, moz;
if(document.getElementById) dom=true;
if (!document.all) moz=true;

if(navigator.appName.indexOf("Explorer")>-1)
{
 expl=true;
}
//-----------------------------------------------------------------------------------------------------
// Fonts vergroessern
//-----------------------------------------------------------------------------------------------------
function fontsizeup() 
{
  expl? e=event:e=Event;
  if(e.keyCode==3 ||e.keyCode==13 || !e.keyCode) {
		val=getbodysize();
		val+=10;
		if(val>200) val=200;
		setbodysize(val+"%");
		if (moz)
		{ 
		p = document.getElementsByTagName('body')[0];
		p.parentNode.replaceChild(p,p);
		}
		return false;
  }
}
//-----------------------------------------------------------------------------------------------------
// Fonts verkleinern
//-----------------------------------------------------------------------------------------------------
function fontsizedown() 
{
  if(expl) e=event; else e=Event;
  if(e.keyCode==3 || e.keyCode==13 || !e.keyCode) {
		val=getbodysize();
		val-=10;
		if(val<50) val=50;
		setbodysize(val+"%");
		if (moz)
		{ 
		p = document.getElementsByTagName('body')[0];
		p.parentNode.replaceChild(p,p);
		}
		return false;
	}
}
//-----------------------------------------------------------------------------------------------------
// Fontsize setzen
//-----------------------------------------------------------------------------------------------------
function setbodysize(value)
{
   obj=document.getElementsByTagName("body")[0];
   val = value;
   obj.style.fontSize=val;
   if(dom) createCookie("maxpref", val, 365);
}
//-----------------------------------------------------------------------------------------------------
// get body font size
//-----------------------------------------------------------------------------------------------------
function getbodysize()
{
 	obj=document.getElementsByTagName("body")[0];
	//obj=document.getElementById("start");
	fnt=obj.style.fontSize;
	//alert(fnt);
	val=parseInt(fnt.substring(0,fnt.length-1));
	return val;	
}
//-----------------------------------------------------------------------------------------------------
// Netscape reload on page resize
//-----------------------------------------------------------------------------------------------------
function MM_reloadPage(init) 
{  
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }
  } else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();

 MM_reloadPage(true);
}
//-----------------------------------------------------------------------------------------------------
// search box clear	
//-----------------------------------------------------------------------------------------------------
function clearDefault(el) 
{
  if (el.defaultValue=="Search term") el.value = ""
}
//-----------------------------------------------------------------------------------------------------
function ToggleTab(id,nr) 
{
  for (i=1;i<=25;i++) {
   var mytab = document.getElementById('Inhalt-'+id+'-'+i);
   if (mytab) {
    if (nr == i) {
      mytab.className = 'TabbedTextTabs TabbedTextAktiv';
      document.getElementById('Inhalt-'+id+'-'+i).style.display = 'block';
    } else {
      mytab.className = 'TabbedTextTabs';
      document.getElementById('Inhalt-'+id+'-'+i).style.display = 'none';
    }
   } else {
    break;
   }
  }
}
//-----------------------------------------------------------------------------------------------------