function setzeCookie(cookieName,cookieValue) {
	document.cookie = cookieName+"="+escape(cookieValue);
}

function leseCookieWert(offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) endstr = document.cookie.length; 
	return unescape(document.cookie.substring(offset, endstr)); 
}

function leseCookie (name) { 
	var arg = name + "="; 
	var alen = arg.length; 
	var clen = document.cookie.length; 
	var i = 0; 
	while (i < clen) { 
		var j = i + alen; 
		if (document.cookie.substring(i, j) == arg) 
		return leseCookieWert (j); 
		i = document.cookie.indexOf(" ", i) + 1; 
		if (i == 0) break; 
	} 
	return null;
}