function setEngCookie(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 readCookie(name) { 
	 var cookieValue = ""; 
	 var search = name + "="; 
	 if(document.cookie.length > 0) {  
		 offset = document.cookie.indexOf(search); 
		 if(offset != -1) {  
			 offset += search.length; 
			 end = document.cookie.indexOf(";", offset); 
			 if(end == -1) end = document.cookie.length; 
			 cookieValue = unescape(document.cookie.substring(offset, end)) 
		 } 
	 } 
	 return cookieValue; 
 } 

function deutsch() 
{ 
 var divs=document.getElementsByTagName("DIV"); 
 for (i=0;i<divs.length;i++) 
 { 
	if (divs[i].className=="EN") divs[i].style.display = 'none';
	if (divs[i].className=="DE") divs[i].style.display = 'inline';
 } 
 var spans=document.getElementsByTagName("SPAN"); 
 for (i=0;i<spans.length;i++) 
 { 
	if (spans[i].className=="EN") spans[i].style.display = 'none';
	if (spans[i].className=="DE") spans[i].style.display = 'inline';
 } 
setEngCookie("ShowEng", false, -1);
} 

function english()
{
 var divs=document.getElementsByTagName("DIV"); 
 for (i=0;i<divs.length;i++) 
 { 
	if (divs[i].className=="EN") divs[i].style.display = 'inline';
	if (divs[i].className=="DE") divs[i].style.display = 'none';
 } 
 var spans=document.getElementsByTagName("SPAN"); 
 for (i=0;i<spans.length;i++) 
 { 
	if (spans[i].className=="EN") spans[i].style.display = 'inline';
	if (spans[i].className=="DE") spans[i].style.display = 'none';
 } 
setEngCookie("ShowEng", true, 365);
}